Patent Application Title |
Patent App Num. |
Date |
| System and method for targeting data processing system(s) with data | 20110021145 | 20110127 |
| Provided is a system and method for targeting data processing system(s) with data by aiming a sending data processing system at a receiving data processing system and performing a shoot action. In a preferred embodiment, aiming information is transmitted from the sending data processing system to receiving data processing systems in the vicinity for determining whether or not a receiving data processing system was targeted by the sending data processing system, for example to direct data. Aiming information includes location information for determining a starting location of the shoot action, directional and posture information for determining a target of the shoot action, distance information for determining a distance of the shoot action, target size for determining the inclusion of receiving data processing system(s) targeted by the... |
| Boundary microphone | 20110019857 | 20110127 |
| A boundary microphone includes: a base made of metal; a cover that is made of metal and has a plurality of holes through which a sound wave is guided; a microphone unit that converts sound into an electric signal; and a microphone unit holder slidably provided on the base and holds the microphone unit. The microphone unit holder has a knob. The base has a hole through which the knob of the microphone unit holder penetrates the base. The knob of the microphone unit holder and the hole the base are so provided that the microphone unit holder can be moved with the microphone unit by a movement of the knob within a range defined by the hole.
... |
| Boundary microphone | 20110019856 | 20110127 |
| A boundary microphone including: a base made of metal; a cover that is made of metal and has a plurality of holes through which a sound wave is guided; a microphone unit that is disposed on the base and converts sound into an electric signal; and a pressing material that presses the cover against the base. The cover has a flange portion on a peripheral portion. The pressing material presses the flange portion of the cover against the base make the flange portion of the cover surface to surface contact with the base.
... |
| Sound field controller | 20110017545 | 20110127 |
| A region of air is manipulated to reflect, absorb, or redirect sound energy to prevent the sound energy from reaching a listener separated from the sound source by the region of air. The region of air may be manipulated by directing ultrasonic sound waves with a sound pressure level of at least 140 decibels at the region of air.
... |
| Mems microphone package and mehtod for making same | 20110013787 | 20110120 |
| An exemplary micro-electro-mechanical systems (MEMS) microphone package includes a first substrate, a second substrate opposite to the first substrate, and a microphone chip disposed on the second substrate. First through holes are defined in the first substrate. Conductive material is disposed in each first through hole. A through hole is defined in the second substrate. Contact pads are disposed on the second substrate. Each contact pad connects the corresponding electrically conductive material in each first through hole. The microphone chip is surrounded by the contact pads. When sound waves transmit through the through hole in the second substrate to the microphone chip, the microphone chip converts sound into an electrical signal.
... |
Subscribe to updates on this page: Sound Wave RSS  |
| Ultrasonically determining flow parameters of a fluid flowing through a passage, by using far-field analysis | 20110009745 | 20110113 |
| Ultrasonically determining flow parameters of a fluid (12) flowing through a passage (14), using far-field analysis. Includes: (a) acquiring near-field amplitude and phase change values of ultrasound waves transmitted (30) into, propagating through, and scattered (32) by, the flowing fluid; (b) determining far-field scattering amplitude distribution, A(θ, Δf), as two-dimensional function of scattering angle, θ, and Doppler frequency shift, Δf, from the acquired near-field amplitude and phase change values; and (c) determining flow parameters (peak velocity, velocity distribution, flow rate) of the flowing fluid, from the scattering amplitude distribution. Implementable using ‘clamp-on’ techniques including ultrasound wave transmitter and ultrasound wave detector array, clamped on, in an oppositely facing configuration, to the passage, for transmitting and detecting ultrasound waves propagating perpendicular to net flow direction of the... |
| Transcranial ultrasound transducer with stereotactic conduit for placement of ventricular catheter | 20110009739 | 20110113 |
| An apparatus, system and method for performing a ventriculostomy using an ultrasound probe is disclosed. A head portion of the probe is connected to a handle portion at a proximal end of the head portion. A transducer is mounted in a distal end of the head portion to transmit ultrasound waves into the patient. The head portion includes a conduit portion arranged to accept and to accurately direct a catheter into the body of the patient in a direction parallel to the direction of the ultrasound waves. The head portion is sized to fit into a conventionally-sized craniotomy. An adjustment mechanism connects the head portion to the handle portion for selectively adjusting the angle between the handle portion and the head portion. A sterile sheath having... |
| Loudspeaker cabinet and reproduction system | 20110007923 | 20110113 |
| A loudspeaker box comprising a first and a second speaker unit each adjacent a sound space formed in the housing. The loudspeaker box further comprises a separation element provided between the sound spaces. The separation element comprises faces to reflect at least a part of sound waves to be radiated by a backside of the speaker units into the sound spaces. As well, the separation element leaves open a passage between the sound spaces. By reflection of sound waves at the faces of the separation element an acoustic influence on the speaker units occurs as a result of which for example an electric filtering of signals being supplied to the speaker units can be dispensed with. In a further aspect of the invention, the loudspeaker box... |
| Acoustic transducer | 20110002484 | 20110106 |
| An acoustic transducer radiates a sound wave into a medium, and includes: a shaft member which extends at a center portion of the acoustic transducer; first and second cylindrical acoustic radiation plates which have a cylindrical shape, a central axis of the first and second cylindrical acoustic radiation plates agreeing with the longitudinal axis of the shaft member, the first and second cylindrical acoustic radiation plates alternately arranged in a direction of the central axis; a plurality of connection members which have a ring shape, and connect adjacent first and second acoustic radiation plates to each other; a plurality of bending vibration plates each of which connects the shaft member and one of the connection members to each other; and a plurality of vibrators which are... |
| Quiet blender | 20110001369 | 20110106 |
| The present invention relates generally to loud disturbing noise accompanied with uncontrollable vibrations and, sound wave vibrations made from electric motor appliances such as blenders. Abstract: An electric motor design housing, filled with qualified sound deadening and temperature absorbing material, where in this case, the small electric motor of a blender operates in said invention, which is a designed motor housing filled with qualified sound deadening and temperature absorbing material, greatly reducing noise and vibration when appliance is used in operation mode.
... |
| Acoustic crystal sonoluminescent cavitation devices and ir/thz sources | 20110001063 | 20110106 |
| An acoustic crystal structure includes defect cavities that concentrate the driving pressure from applied sound waves into the cavities to cavitate gas bubbles in a liquid to produce sonoluminescence. This device may be used to study sonoluminescence or cavitation or to perform sonochemistry, nuclear fusion etc. in the cavities. A waveguide may be operatively coupled to the acoustic crystal to extract, collect and route a band of electromagnetic (EM) radiation around a specified source wavelength to an output port for emission by an antenna to provide an EM source. The waveguide may, for example, be a photonic crystal defect waveguide, a photonic crystal optical fiber or Sommerfeld waveguide. The marriage of the sonoluminescence phenomena with an acoustic crystal and embedded waveguide provides for an efficient source... |
| Apparatus and method for ultrasound treatment of aquatic organisms | 20110000443 | 20110106 |
| The invention provides a method of treating a target area with an ultrasound wave pattern, including: providing an ultrasound apparatus having an ultrasound wave generator operatively attached to a plurality of transducers, coupled to an immersible support and configured to emit an ultrasound wave; immersing the apparatus into a water environment; positioning the apparatus proximate to a target area to treat at least one in situ organism; and emitting a pattern of ultrasound waves from the transducers, the pattern of ultrasound waves additive in effect and emitted onto the target area to threat an in situ underwater organism.
... |
| System and method for generating and directing very loud sounds | 20110000389 | 20110106 |
| An improved system and method for controlling and directing sound waves is provided. A fuel-oxidant mixture is supplied to at least one detonator having at least one spark initiator. The fuel-oxidant mixture flows through the at least one detonator and into the closed end of at least one detonation tube also having an open end. The timing at least one spark initiator is controlled to initiate at least one spark within the at least one detonator while the fuel-oxidant mixture is flowing through the at least one detonator thereby initiating a detonation wave at the closed end of the at least one detonation tube. The detonation wave propagates the length of the at least one detonation tube and exits the open end of the at least... |
Subscribe to updates on this page: Sound Wave RSS  |
| Ultrasound diagnosis apparatus and method of setting sound velocity | 20100331692 | 20101230 |
| In one embodiment, an ultrasonic diagnostic apparatus includes an image creating unit, an image-creation control unit and a display control unit. The image creating unit creates an ultrasound image from data created by adding a reflected wave signal of an ultrasound wave transmitted to an imaging target portion of a subject by using a reception delay time calculated from a set sound velocity set as a sound velocity in the imaging target portion. The image-creation control unit switches a set sound velocity set at a present moment in a variable range, and controls the image creating unit so as to create a plurality of ultrasound images each using a reception delay time corresponding to each of the set sound velocities to be switched. The display control... |
| Acoustic device | 20100331220 | 20101230 |
| There is disclosed an acoustic device for manipulation of fluid samples including fluid samples comprising particles characterised in that it comprises a flexible member, a sound wave generator for generating a sound wave and a sound wave coupler for coupling the sound wave from the generator into the flexible member, in which the device, flexible member and the coupler are adapted to excite a predetermined acoustic mode of pure resonant vibration in the flexible member at a predetermined frequency of the sound wave.
... |
| Method and system for multimedia data recognition, and method for multimedia customization which uses the method for multimedia data recognition | 20100324707 | 20101223 |
| System and method for multimedia data recognition and method for multimedia customization which uses the method for multimedia data recognition are disclosed. Wherein the system includes a data capturing unit, a data recognition unit, and a waveform feature database. In which, the data capturing unit is for capturing a set of multimedia data to be recognized. The data recognition unit has a sound waveform conversion unit, a waveform feature capturing unit, and a waveform feature comparison unit, which are respectively used for converting sound data into waveform data, capturing waveform feature from waveform data, and comparing the captured waveform feature with at least a known waveform feature. By analyzing the sound data of the multimedia data, the multimedia data can be recognized.
... |
| Boundary microphone | 20100322450 | 20101223 |
| A boundary microphone includes: a metal mesh; a base made of metal; a cover made of metal on which a plurality of holes through which a sound wave is passed is formed; and a microphone unit that is installed on the base and converts sound into an electrical signal. The metal mesh is welded onto the base with a metal material of the base entering a space of the metal mesh. The microphone unit is covered by the metal mesh.
... |
| Capacitor microphone unit and capacitor microphone | 20100322439 | 20101223 |
| A diaphragm adhering to a diaphragm holder and vibrating upon receiving a sound wave; and a fixed pole facing the diaphragm with a space from the diaphragm to form a capacitor with the diaphragm are included. A surface of the diaphragm holder adhering to the diaphragm is flat polished. The fixed pole is made of a flexible material. A surface of the fixed pole facing the diaphragm holder is pressure welded along the flat polished surface of the diaphragm holder.
... |
| Condenser microphone unit | 20100316243 | 20101216 |
| There is provided a condenser microphone unit incorporating a FET (impedance converter) in a unit case, in which the electromagnetic shield on the rear surface side of the unit case is assured, sound waves do not leak, and a steady internal stress is applied to incorporated parts almost uniformly. In a condenser microphone unit 1A including a unit case 2 that has a front acoustic terminal hole 21 on the front end surface side thereof and is open on the rear end surface side thereof, in which the unit case 2 incorporates an acousto-electric converter 3 including a diaphragm 31 and a backplate 33, which are arranged so as to face each other via a spacer member 35, and a FET 4; a circuit board 5... |
| Method and apparatus for modifying an audio signal | 20100316240 | 20101216 |
| An electroacoustical apparatus and method is described that alters the output properties of an audio device to improve the sound properties for both hearing impaired and normal hearing listeners. The device includes a coil element of specific design and may incorporate digital signal processing techniques to modify audio signal output. The electrical device and method of processing provides for the beneficial alteration of sound waves to an audio signal, and further modification of the audio signal to provide for improved loudness and clarity characteristics. The improved characteristics provide for greater intelligibility of the audio signal to persons with hearing impairments and to persons with normal hearing.
... |
| Tactile interface for mobile devices | 20100315211 | 20101216 |
| A tactile input to a system having a speaker located in an enclosure with an audio port can be detected by generating a sound wave in response to a signal and sensing the phase relationship between the current phase and the voltage phase of the signal. While the audio port is open a baseline current and voltage phase difference is established. When the audio port is obstructed by a finger touch, the current and voltage phase difference is altered in response to the obstruction. While the altered phase difference is detected, a tactile event is indicated.
... |
| Method and device for treating a liquid | 20100314331 | 20101216 |
| In a method of treating a liquid, a liquid to be treated is introduced into a space, a mechanical cavitation element acts upon the liquid while gas is supplied into the region of the surface of the cavitation element and introduces the gas into the liquid by moving the cavitation element, and sound waves are introduced directly into the liquid by at least one acoustic power transducer.
... |
| System and method for medical treatment using ultrasound | 20100312150 | 20101209 |
| A system and method for medical treatment of tissue using ultrasound. The system comprises a probe having an array of transducer elements, an ultrasound waveform generator adapted to generate at least one electrical ultrasound signal, and a plurality of phase controls, each coupled to the ultrasound waveform generator and adapted to generate from the electrical ultrasound signal a phase-shifted drive signal that is coupled to an associated transducer element. The drive signal is effective to control grating lobe foci emitted by the array. The method employs the system.
... |
| Room heating device capable of simultaneously producing sound waves | 20100311002 | 20101209 |
| A room heating device includes a supporting body, a thermoacoustic element, a first electrode and a second electrode. The thermoacoustic element is disposed on the supporting body. The first electrode and the second electrode are connected to the thermoacoustic element. The first electrode is spaced apart from the second electrode.
... |
| Aromatic nebulizing diffuser | 20100308129 | 20101209 |
| An aromatic nebulizing diffuser includes a base panel, a lower housing, power adapter, an electric fan, a speaker, a music control circuit, an ultrasonic oscillator carrying a light source, a fluid container, a waster shutter and a transmissive cover. When electrically connected, the ultrasonic oscillator is started to generate high frequency sound waves and to cause atomization of the aromatic fluid contained in the fluid container so that a mist of aerodynamic breakup of fine water drops is seen through the transmissive cover and at the same time, the music control circuit outputs a music through the speaker and the light source emits a mixed color of light to light up the mist of aerodynamic breakup of fine water drops that is forced out of the... |
| Buffering and sound-absorbing member | 20100307867 | 20101209 |
| The object of the present invention is to provide a shock and sound absorbing member having excellent shock and sound absorbing properties for use of a car etc. The shock and sound absorbing member comprises a core panel 2 onto which a plural number of tubular cells 22 are formed lengthwise and widthwise, a base panel 3 being attached to one side of the core panel 2, and a porous sheet 4 covering the other side of the core panel 2, the invading sound waves being damped in the tubular cells 22 of the core panel 2, and then absorbed by the porous sheet 4, the ventilation resistance of the porous sheet 4 being set to be in the range of between 0.5 and 5.0 kPa·s/m.
... |
| Sound absorber | 20100307866 | 20101209 |
| To provide an inexpensive, slender sound absorber, it has a plurality of porous layers or regions of different densities and different flow resistances respectively. Of significance are the boundary surfaces between the different, porous layers which are accompanied by changes in impedance. Homogenized and adapted flow resistance conditions should be avoided. Although the thermal frictional effect in the porous material is desired, in particular to absorb higher frequencies, according to the present invention it only forms one element of the absorptive working mechanism. In addition, the effect known in physics as refraction is used. At the boundary layer between two materials of different density and different flow resistance respectively there is an abrupt change in impedance. This leads to a phase shift of the sound wave,... |
| Microstructure inspecting device, and microstructure inspecting method | 20100307248 | 20101209 |
| A microstructure inspecting device 10 which measures a damping characteristic value of a moving portion of a microstructure includes a pressure wave generating device 1 and a pulse generating device 2 which apply an impact to the moving portion without directly contacting the microstructure, and a vibrometer 4 which measures a displacement of the moving portion for a predetermined period of time after the start of free vibration of the moving portion without contacting the moving portion. The pressure wave generating device 1 is a sound wave generating element of thermal excitation type, a piezoelectric sound wave generating element, or an electromagnetic vibration element, and is driven by a pulse signal of the pulse generating device 2. The pressure wave generating device 1 using the sound... |
| Ultrasound diagnosis apparatus | 20100305450 | 20101202 |
| An apparatus has: an ultrasound probe that transmits and receives ultrasound waves to and from a subject and has an ultrasound transmission/reception surface; an acoustic coupler that has a different shape for each type and is attachable and detachable so as to cover the ultrasound transmission/reception surface; a generator that, based on the ultrasound waves received by the ultrasound probe, generates an image expanding in a depth direction from the ultrasound transmission/reception surface; and an analyzer that, based on presence/absence and shape of an acoustic coupler region within the image generated by the generator, identifies presence/absence of mounting of the acoustic coupler and a type of the mounted acoustic coupler. Consequently, the apparatus is capable of identifying the acoustic coupler though the ultrasound probe and the... |
| Waterproof cell phone | 20100298025 | 20101125 |
| The present invention provides a Waterproof Cell Phone which addresses the problem of waterproofing a cell phone by providing a seamless, flexible, transparent, waterproof covering for the phone, such that the phone operates as a normal cell phone, yet be impenetrable to moisture, even to water immersion. Cell phones, typically present three avenues by which water can get in and damage them. First, the earpiece or receiver of the phone contains a speaker; second, the mouthpiece contains a microphone; and third, the recharging socket presents another passage from the exterior of the phone to the electronic interior. Covering these three components is crucial to waterproofing the phone. In the case of the recharging receptacle, a snap-cover hatch will protect the phone, and the user simply snaps... |
| Mems microphone package and mehtod for making same | 20110013787 | 20110120 |
| An exemplary micro-electro-mechanical systems (MEMS) microphone package includes a first substrate, a second substrate opposite to the first substrate, and a microphone chip disposed on the second substrate. First through holes are defined in the first substrate. Conductive material is disposed in each first through hole. A through hole is defined in the second substrate. Contact pads are disposed on the second substrate. Each contact pad connects the corresponding electrically conductive material in each first through hole. The microphone chip is surrounded by the contact pads. When sound waves transmit through the through hole in the second substrate to the microphone chip, the microphone chip converts sound into an electrical signal.
... |
| Ultrasonically determining flow parameters of a fluid flowing through a passage, by using far-field analysis | 20110009745 | 20110113 |
| Ultrasonically determining flow parameters of a fluid (12) flowing through a passage (14), using far-field analysis. Includes: (a) acquiring near-field amplitude and phase change values of ultrasound waves transmitted (30) into, propagating through, and scattered (32) by, the flowing fluid; (b) determining far-field scattering amplitude distribution, A(θ, Δf), as two-dimensional function of scattering angle, θ, and Doppler frequency shift, Δf, from the acquired near-field amplitude and phase change values; and (c) determining flow parameters (peak velocity, velocity distribution, flow rate) of the flowing fluid, from the scattering amplitude distribution. Implementable using ‘clamp-on’ techniques including ultrasound wave transmitter and ultrasound wave detector array, clamped on, in an oppositely facing configuration, to the passage, for transmitting and detecting ultrasound waves propagating perpendicular to net flow direction of the... |
| Transcranial ultrasound transducer with stereotactic conduit for placement of ventricular catheter | 20110009739 | 20110113 |
| An apparatus, system and method for performing a ventriculostomy using an ultrasound probe is disclosed. A head portion of the probe is connected to a handle portion at a proximal end of the head portion. A transducer is mounted in a distal end of the head portion to transmit ultrasound waves into the patient. The head portion includes a conduit portion arranged to accept and to accurately direct a catheter into the body of the patient in a direction parallel to the direction of the ultrasound waves. The head portion is sized to fit into a conventionally-sized craniotomy. An adjustment mechanism connects the head portion to the handle portion for selectively adjusting the angle between the handle portion and the head portion. A sterile sheath having... |
| Loudspeaker cabinet and reproduction system | 20110007923 | 20110113 |
| A loudspeaker box comprising a first and a second speaker unit each adjacent a sound space formed in the housing. The loudspeaker box further comprises a separation element provided between the sound spaces. The separation element comprises faces to reflect at least a part of sound waves to be radiated by a backside of the speaker units into the sound spaces. As well, the separation element leaves open a passage between the sound spaces. By reflection of sound waves at the faces of the separation element an acoustic influence on the speaker units occurs as a result of which for example an electric filtering of signals being supplied to the speaker units can be dispensed with. In a further aspect of the invention, the loudspeaker box... |
| Acoustic transducer | 20110002484 | 20110106 |
| An acoustic transducer radiates a sound wave into a medium, and includes: a shaft member which extends at a center portion of the acoustic transducer; first and second cylindrical acoustic radiation plates which have a cylindrical shape, a central axis of the first and second cylindrical acoustic radiation plates agreeing with the longitudinal axis of the shaft member, the first and second cylindrical acoustic radiation plates alternately arranged in a direction of the central axis; a plurality of connection members which have a ring shape, and connect adjacent first and second acoustic radiation plates to each other; a plurality of bending vibration plates each of which connects the shaft member and one of the connection members to each other; and a plurality of vibrators which are... |
| Quiet blender | 20110001369 | 20110106 |
| The present invention relates generally to loud disturbing noise accompanied with uncontrollable vibrations and, sound wave vibrations made from electric motor appliances such as blenders. Abstract: An electric motor design housing, filled with qualified sound deadening and temperature absorbing material, where in this case, the small electric motor of a blender operates in said invention, which is a designed motor housing filled with qualified sound deadening and temperature absorbing material, greatly reducing noise and vibration when appliance is used in operation mode.
... |
| Acoustic crystal sonoluminescent cavitation devices and ir/thz sources | 20110001063 | 20110106 |
| An acoustic crystal structure includes defect cavities that concentrate the driving pressure from applied sound waves into the cavities to cavitate gas bubbles in a liquid to produce sonoluminescence. This device may be used to study sonoluminescence or cavitation or to perform sonochemistry, nuclear fusion etc. in the cavities. A waveguide may be operatively coupled to the acoustic crystal to extract, collect and route a band of electromagnetic (EM) radiation around a specified source wavelength to an output port for emission by an antenna to provide an EM source. The waveguide may, for example, be a photonic crystal defect waveguide, a photonic crystal optical fiber or Sommerfeld waveguide. The marriage of the sonoluminescence phenomena with an acoustic crystal and embedded waveguide provides for an efficient source... |
| Apparatus and method for ultrasound treatment of aquatic organisms | 20110000443 | 20110106 |
| The invention provides a method of treating a target area with an ultrasound wave pattern, including: providing an ultrasound apparatus having an ultrasound wave generator operatively attached to a plurality of transducers, coupled to an immersible support and configured to emit an ultrasound wave; immersing the apparatus into a water environment; positioning the apparatus proximate to a target area to treat at least one in situ organism; and emitting a pattern of ultrasound waves from the transducers, the pattern of ultrasound waves additive in effect and emitted onto the target area to threat an in situ underwater organism.
... |
| System and method for generating and directing very loud sounds | 20110000389 | 20110106 |
| An improved system and method for controlling and directing sound waves is provided. A fuel-oxidant mixture is supplied to at least one detonator having at least one spark initiator. The fuel-oxidant mixture flows through the at least one detonator and into the closed end of at least one detonation tube also having an open end. The timing at least one spark initiator is controlled to initiate at least one spark within the at least one detonator while the fuel-oxidant mixture is flowing through the at least one detonator thereby initiating a detonation wave at the closed end of the at least one detonation tube. The detonation wave propagates the length of the at least one detonation tube and exits the open end of the at least... |
| Ultrasound diagnosis apparatus and method of setting sound velocity | 20100331692 | 20101230 |
| In one embodiment, an ultrasonic diagnostic apparatus includes an image creating unit, an image-creation control unit and a display control unit. The image creating unit creates an ultrasound image from data created by adding a reflected wave signal of an ultrasound wave transmitted to an imaging target portion of a subject by using a reception delay time calculated from a set sound velocity set as a sound velocity in the imaging target portion. The image-creation control unit switches a set sound velocity set at a present moment in a variable range, and controls the image creating unit so as to create a plurality of ultrasound images each using a reception delay time corresponding to each of the set sound velocities to be switched. The display control... |
| Acoustic device | 20100331220 | 20101230 |
| There is disclosed an acoustic device for manipulation of fluid samples including fluid samples comprising particles characterised in that it comprises a flexible member, a sound wave generator for generating a sound wave and a sound wave coupler for coupling the sound wave from the generator into the flexible member, in which the device, flexible member and the coupler are adapted to excite a predetermined acoustic mode of pure resonant vibration in the flexible member at a predetermined frequency of the sound wave.
... |
| Method and system for multimedia data recognition, and method for multimedia customization which uses the method for multimedia data recognition | 20100324707 | 20101223 |
| System and method for multimedia data recognition and method for multimedia customization which uses the method for multimedia data recognition are disclosed. Wherein the system includes a data capturing unit, a data recognition unit, and a waveform feature database. In which, the data capturing unit is for capturing a set of multimedia data to be recognized. The data recognition unit has a sound waveform conversion unit, a waveform feature capturing unit, and a waveform feature comparison unit, which are respectively used for converting sound data into waveform data, capturing waveform feature from waveform data, and comparing the captured waveform feature with at least a known waveform feature. By analyzing the sound data of the multimedia data, the multimedia data can be recognized.
... |
| Boundary microphone | 20100322450 | 20101223 |
| A boundary microphone includes: a metal mesh; a base made of metal; a cover made of metal on which a plurality of holes through which a sound wave is passed is formed; and a microphone unit that is installed on the base and converts sound into an electrical signal. The metal mesh is welded onto the base with a metal material of the base entering a space of the metal mesh. The microphone unit is covered by the metal mesh.
... |
| Capacitor microphone unit and capacitor microphone | 20100322439 | 20101223 |
| A diaphragm adhering to a diaphragm holder and vibrating upon receiving a sound wave; and a fixed pole facing the diaphragm with a space from the diaphragm to form a capacitor with the diaphragm are included. A surface of the diaphragm holder adhering to the diaphragm is flat polished. The fixed pole is made of a flexible material. A surface of the fixed pole facing the diaphragm holder is pressure welded along the flat polished surface of the diaphragm holder.
... |
| Condenser microphone unit | 20100316243 | 20101216 |
| There is provided a condenser microphone unit incorporating a FET (impedance converter) in a unit case, in which the electromagnetic shield on the rear surface side of the unit case is assured, sound waves do not leak, and a steady internal stress is applied to incorporated parts almost uniformly. In a condenser microphone unit 1A including a unit case 2 that has a front acoustic terminal hole 21 on the front end surface side thereof and is open on the rear end surface side thereof, in which the unit case 2 incorporates an acousto-electric converter 3 including a diaphragm 31 and a backplate 33, which are arranged so as to face each other via a spacer member 35, and a FET 4; a circuit board 5... |
| Method and apparatus for modifying an audio signal | 20100316240 | 20101216 |
| An electroacoustical apparatus and method is described that alters the output properties of an audio device to improve the sound properties for both hearing impaired and normal hearing listeners. The device includes a coil element of specific design and may incorporate digital signal processing techniques to modify audio signal output. The electrical device and method of processing provides for the beneficial alteration of sound waves to an audio signal, and further modification of the audio signal to provide for improved loudness and clarity characteristics. The improved characteristics provide for greater intelligibility of the audio signal to persons with hearing impairments and to persons with normal hearing.
... |
| Tactile interface for mobile devices | 20100315211 | 20101216 |
| A tactile input to a system having a speaker located in an enclosure with an audio port can be detected by generating a sound wave in response to a signal and sensing the phase relationship between the current phase and the voltage phase of the signal. While the audio port is open a baseline current and voltage phase difference is established. When the audio port is obstructed by a finger touch, the current and voltage phase difference is altered in response to the obstruction. While the altered phase difference is detected, a tactile event is indicated.
... |
| Method and device for treating a liquid | 20100314331 | 20101216 |
| In a method of treating a liquid, a liquid to be treated is introduced into a space, a mechanical cavitation element acts upon the liquid while gas is supplied into the region of the surface of the cavitation element and introduces the gas into the liquid by moving the cavitation element, and sound waves are introduced directly into the liquid by at least one acoustic power transducer.
... |
| System and method for medical treatment using ultrasound | 20100312150 | 20101209 |
| A system and method for medical treatment of tissue using ultrasound. The system comprises a probe having an array of transducer elements, an ultrasound waveform generator adapted to generate at least one electrical ultrasound signal, and a plurality of phase controls, each coupled to the ultrasound waveform generator and adapted to generate from the electrical ultrasound signal a phase-shifted drive signal that is coupled to an associated transducer element. The drive signal is effective to control grating lobe foci emitted by the array. The method employs the system.
... |
| Room heating device capable of simultaneously producing sound waves | 20100311002 | 20101209 |
| A room heating device includes a supporting body, a thermoacoustic element, a first electrode and a second electrode. The thermoacoustic element is disposed on the supporting body. The first electrode and the second electrode are connected to the thermoacoustic element. The first electrode is spaced apart from the second electrode.
... |
| Aromatic nebulizing diffuser | 20100308129 | 20101209 |
| An aromatic nebulizing diffuser includes a base panel, a lower housing, power adapter, an electric fan, a speaker, a music control circuit, an ultrasonic oscillator carrying a light source, a fluid container, a waster shutter and a transmissive cover. When electrically connected, the ultrasonic oscillator is started to generate high frequency sound waves and to cause atomization of the aromatic fluid contained in the fluid container so that a mist of aerodynamic breakup of fine water drops is seen through the transmissive cover and at the same time, the music control circuit outputs a music through the speaker and the light source emits a mixed color of light to light up the mist of aerodynamic breakup of fine water drops that is forced out of the... |
| Buffering and sound-absorbing member | 20100307867 | 20101209 |
| The object of the present invention is to provide a shock and sound absorbing member having excellent shock and sound absorbing properties for use of a car etc. The shock and sound absorbing member comprises a core panel 2 onto which a plural number of tubular cells 22 are formed lengthwise and widthwise, a base panel 3 being attached to one side of the core panel 2, and a porous sheet 4 covering the other side of the core panel 2, the invading sound waves being damped in the tubular cells 22 of the core panel 2, and then absorbed by the porous sheet 4, the ventilation resistance of the porous sheet 4 being set to be in the range of between 0.5 and 5.0 kPa·s/m.
... |
| Sound absorber | 20100307866 | 20101209 |
| To provide an inexpensive, slender sound absorber, it has a plurality of porous layers or regions of different densities and different flow resistances respectively. Of significance are the boundary surfaces between the different, porous layers which are accompanied by changes in impedance. Homogenized and adapted flow resistance conditions should be avoided. Although the thermal frictional effect in the porous material is desired, in particular to absorb higher frequencies, according to the present invention it only forms one element of the absorptive working mechanism. In addition, the effect known in physics as refraction is used. At the boundary layer between two materials of different density and different flow resistance respectively there is an abrupt change in impedance. This leads to a phase shift of the sound wave,... |
| Microstructure inspecting device, and microstructure inspecting method | 20100307248 | 20101209 |
| A microstructure inspecting device 10 which measures a damping characteristic value of a moving portion of a microstructure includes a pressure wave generating device 1 and a pulse generating device 2 which apply an impact to the moving portion without directly contacting the microstructure, and a vibrometer 4 which measures a displacement of the moving portion for a predetermined period of time after the start of free vibration of the moving portion without contacting the moving portion. The pressure wave generating device 1 is a sound wave generating element of thermal excitation type, a piezoelectric sound wave generating element, or an electromagnetic vibration element, and is driven by a pulse signal of the pulse generating device 2. The pressure wave generating device 1 using the sound... |
| Ultrasound diagnosis apparatus | 20100305450 | 20101202 |
| An apparatus has: an ultrasound probe that transmits and receives ultrasound waves to and from a subject and has an ultrasound transmission/reception surface; an acoustic coupler that has a different shape for each type and is attachable and detachable so as to cover the ultrasound transmission/reception surface; a generator that, based on the ultrasound waves received by the ultrasound probe, generates an image expanding in a depth direction from the ultrasound transmission/reception surface; and an analyzer that, based on presence/absence and shape of an acoustic coupler region within the image generated by the generator, identifies presence/absence of mounting of the acoustic coupler and a type of the mounted acoustic coupler. Consequently, the apparatus is capable of identifying the acoustic coupler though the ultrasound probe and the... |
| Waterproof cell phone | 20100298025 | 20101125 |
| The present invention provides a Waterproof Cell Phone which addresses the problem of waterproofing a cell phone by providing a seamless, flexible, transparent, waterproof covering for the phone, such that the phone operates as a normal cell phone, yet be impenetrable to moisture, even to water immersion. Cell phones, typically present three avenues by which water can get in and damage them. First, the earpiece or receiver of the phone contains a speaker; second, the mouthpiece contains a microphone; and third, the recharging socket presents another passage from the exterior of the phone to the electronic interior. Covering these three components is crucial to waterproofing the phone. In the case of the recharging receptacle, a snap-cover hatch will protect the phone, and the user simply snaps... |
| Sound signal processing device and method | 20100296662 | 20101125 |
| In reverberant environments, reflected waves including an echoic sound and a muffled sound affect and disable recognition of sound arrival directions. As a result, the subjective clearness of the sounds deteriorates. In order to enhance the clearness of a reproduced sound in a reverberant environment, a pre-processing filter unit corrects an input sound signal portion having a frequency band relating to human auditory recognition on a sound wave arrival direction, and speakers reproduce the sound signal. The correction involves attenuating an input sound signal in the frequency band portion, based on the relationship between the frequencies of the input sound signal and the magnitude of influence to the recognition of the sound wave arrival direction. This attenuation is achieved by filtering using filter coefficients that are... |
| Rotative clock | 20100296371 | 20101125 |
| In a rotative desk clock having in a main body of it a clock module, a driving module and a control module for sound controlling or touch controlling, wherein the driving module includes a rotary disk exposed downwardly out of the main body, when the control module is touched by a hand or senses the change of sound waves, it activates the driving module to rotate a rotary disk; thereby if the rotary disk is placed on the desk, the main body can rotate relatively to the rotary disk. Thus a dynamically rotating clock is formed.
... |
| Mega communication and media apparatus configured to prevent brain cancerious deseases and to generate electrical energy | 20100291965 | 20101118 |
| Disclosed embodiments comprise communication apparatus operatively configured for boosting communication signals to prevent cancerous diseases. The communication apparatus is configured to convert sound waves, vibrations, solar energy, and pressure force into electrical energy communicable to battery cell. Disclosed embodiment encompasses three modes of communications—the Cell phone, wireless Internet applications, and Global communication and information. Embodiments provide communication apparatus operable to enhance mobile communication efficiency and advanced vehicular computing and media applications with in-vehicle interactive communications and wireless Internet applications. Embodiments further provide visor screen configured with touch pads comprising sensors being embedded in silicon substrate and fused in micro fiber material having excellent electrical characteristics. Certain embodiments provide communication apparatus configured for voice enabled applications comprising human voice auditory, signal amplification with better data and graphical... |
| Method and device for testing and calibrating electronic semiconductor components which convert sound into electrical signals | 20100290634 | 20101118 |
| A method for testing and calibrating electronic semiconductor components which convert sound into electrical signals acoustically irradiates the components in a sound chamber whose largest free length is less than half the wavelength of the highest frequency of the sound waves produced during the test.
... |
| Protecting secret data entry from infrared and audio eavesdropping | 20090326732 | 20091231 |
| A method for protecting a data entry device from eavesdropping includes masking a signature of entry resulting from entry of data by a user of the data entry device so as to reduce the detectability of the signature by eavesdropping. The signature may include a temperature differential in the data entry device from data entry by the user and the masking may include controlling the external temperature of the data entry device to reduce temperature differentials left in the data entry device by the user. Alternatively, the signature may include sound waves emitted from the data entry device and the masking may include masking sound waves emitted from the data entry device to reduce the detectability of the sound waves. A system may also be employed... |
| Thermoacoustic device | 20090323476 | 20091231 |
| A sound wave generator includes one or more carbon nanotube films. The carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force therebetween. At least part of the sound wave generator is supported by a supporting element. The one or more carbon nanotube films produce sound by means of the thermoacoustic effect.
... |
| Thermoacoustic device | 20090323475 | 20091231 |
| A sound wave generator includes one or more carbon nanotube films. The carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force. The one or more carbon nanotube films produce sound by means of the thermoacoustic effect.
... |
| Sound source detecting device and method thereof | 20090323474 | 20091231 |
| A sound source detecting device includes a number of sound wave detectors, a voltage comparator, and an analyzer. The sound wave detectors are positioned at different positions, and configured for detecting a sound wave, and each of the detectors produces an electrical signal associated to the sound wave detected by the detector and outputting the electrical signal. The voltage comparator is connected to the detectors and configured for receiving the electrical signals transmitted from the detectors and comparing the voltages of electrical signals to get the highest, second highest, and lowest voltages, then outputs a comparison result. The analyzer is connected to the voltage comparator and configured for identifying the position of a sound source producing the sound wave according to the comparison result transmitted from... |
| Target searching device, target searching program, and target searching method | 20090323473 | 20091231 |
| The target searching device includes: a sound source which transmits a sound wave into a propagation space; a transducer array placed in an area to receive a forward scattering wave which scatters forward from the target within the propagation space; a subtraction processing device which subtracts a traveling wave directly traveling towards the transducer array from a mixed wave of the forward scattering wave and the traveling wave so as to separate the forward scattering wave; a passive-phase conjugate processing device which performs passive-phase conjugate processing on the forward scattering wave separated by the subtraction processing device so as to generate a passive-phase conjugated signal of the forward scattering wave; an autocorrelation processing device which performs autocorrelation processing on the traveling wave to generate an autocorrelation... |
| Neoplastic cell destruction device and method utilizing low frequency sound waves to disrupt or displace cellular materials | 20090318840 | 20091224 |
| A neoplasm cell destruction device utilizing low frequency sound waves to disrupt or displace cellular materials in neoplastic cells so as to damage and ultimately destruct the neoplastic cells. The device includes a plurality of signal generators, a controller, a plurality of amplifiers, a plurality of transducers, and a target interface. The controller is in electrical communication with, and generates timing and control signals for simultaneously activating, the plurality of signal generators. Each amplifier is in electrical communication with a respective signal generator and amplifies the signal generated by the respective signal generator so as to form an amplified signal. Each transducer is in electrical communication with a respective amplifier and is driven by the amplified signal formed by the respective amplifier. The target interface combines... |
| Neoplastic cell destruction device and method utilizing low frequency sound waves to disrupt or displace cellular materials | 20090318839 | 20091224 |
| A neoplasm cell destruction device utilizing low frequency sound waves to disrupt or displace cellular materials in neoplastic cells so as to damage and ultimately destruct the neoplastic cells. The device includes a plurality of signal generators, a controller, a plurality of amplifiers, a plurality of transducers, and a target interface. The controller is in electrical communication with, and generates timing and control signals for simultaneously activating, the plurality of signal generators. Each amplifier is in electrical communication with a respective signal generator and amplifies the signal generated by the respective signal generator so as to form an amplified signal. Each transducer is in electrical communication with a respective amplifier and is driven by the amplified signal formed by the respective amplifier. The target interface combines... |
| Neoplastic cell destruction device and method utilizing low frequency sound waves to disrupt or displace cellular materials | 20090318838 | 20091224 |
| A neoplasm cell destruction device utilizing low frequency sound waves to disrupt or displace cellular materials in neoplastic cells so as to damage and ultimately destruct the neoplastic cells. The device includes a plurality of signal generators, a controller, a plurality of amplifiers, a plurality of transducers, and a target interface. The controller is in electrical communication with, and generates timing and control signals for simultaneously activating, the plurality of signal generators. Each amplifier is in electrical communication with a respective signal generator and amplifies the signal generated by the respective signal generator so as to form an amplified signal. Each transducer is in electrical communication with a respective amplifier and is driven by the amplified signal formed by the respective amplifier. The target interface combines... |
| Ultrasound waveguide | 20090318812 | 20091224 |
| In a medical therapy or diagnostic system, magnetic resonance (MR) techniques are used in order to determine the position of the focal point of an ultrasound wave with respect to a patient's body. Therefore, it is an object of the present invention to provide an ultrasound waveguide which could be used within a magnetic resonance environment. To better address these concerns, it is an aspect of the present invention to provide an ultrasound waveguide comprising an electrically conducting section and an electrically isolating section. A reduction of the length of an electrically isolating section possibly decreases the electromagnetic coupling of the high frequency electromagnetic field in the MR environment to the electrically conducting section.
... |
| Sound reinforcement method and apparatus for musical instruments | 20090316927 | 20091224 |
| A method and apparatus for sound reinforcement for musical instruments. The method and apparatus re-direct sound waves via an open-sided chamber against a curved wall panel in such a way that the sound from a musical amplifier is reflected or altered in its course from a direction in which the microphone design has reduced sensitivity to a direction of maximum sensitivity and, typically, altering the direction of the sound from off-axis to on-axis into the microphone capsule.
... |
| Communication system, information collecting method and base station apparatus | 20090316522 | 20091224 |
| A communication system for obtaining predetermined information from an underwater terminal via a sonobuoy is provided. The system includes an underwater terminal for transmitting and receiving sound wave signals, a base station apparatus for transmitting and receiving radio wave signals, and a plurality of sonobuoys for transmitting and receiving the sound wave signals to and from the underwater terminal, and for transmitting and receiving the radio wave signals to and from the base station apparatus.
... |
| Biological observation apparatus and method | 20090312628 | 20091217 |
| A biological observation apparatus according to an aspect of the present invention includes a sound wave radiating unit that radiates a sound wave into an object to be examined, a light radiating unit that radiates first light having a predetermined wavelength and second light different from the first light into a portion of the object influenced by the sound wave, a detector that detects reflected light of the first light and reflected light of the second light, and a calculation unit that calculates lo characteristic information of the object based on the reflected light of the first light and the reflected light of the second light.
... |
| Venturi muffler | 20090308686 | 20091217 |
| A venturi muffler is made of a plurality of metallic tubular stepped members which are stacked together and define at least one sound-reflective chamber which opens through an annular venturi passage into an axial flow passage of the venturi muffler thereby creating a partial vacuum in the annular chamber. The annular chambers include aligned openings through which exhaust gasses flow but are also reflected by walls of the sound-reflective chambers. Therefore, the exhaust sound or noise is dampened by the cancellation of sound waves 180 degrees out of phase with each other, the creation of a partial vacuum through which sound cannot propagate or propagates minimally, and by the heat removed by all of the metallic heat-conductive venturi-forming segments of the venturi muffler.
... |
| Ultrasound imaging apparatus and method for displaying ultrasound image | 20090306514 | 20091210 |
| Moreover, the display controller causes the display to display measurement markers for obtaining quantitative information of tissues shown in the ultrasound images in a state superimposed in relatively the same positions on the plurality of ultrasound images.
... |
| Ultrasound imaging apparatus and method for generating ultrasound image | 20090306511 | 20091210 |
| For a three-dimensional region including a treatment target site of a patient, a puncture needle scanning region R1 having a slice thickness d1 is set with reference to a cross section (a puncture cross section) including an insertion direction of a puncture needle. Subsequently, in the y-direction substantially perpendicular to the puncture cross section, two treatment target scanning regions R2 (R21 and R22) each being adjacent to the puncture needle scanning region R1 and having a slice thickness d2 are set. Then, based on volume data in the puncture needle scanning region R1 acquired by first three-dimensional scan with ultrasound waves and volume data in the treatment target scanning regions R2 acquired by second three-dimensional scan performed at a lower volume rate than the first three-dimensional... |
| Detection of the detachment of immobilized contrast agent in medical imaging applications | 20090304593 | 20091210 |
| An embodiment of a solution is proposed for imaging a body-part that is perfused with a contrast agent. A corresponding method includes the step of providing a sequence of input images (for example, acquired with an ultrasound scanner); the input images offer a digital representation over time of the body-part. Each input image includes a plurality of input values (i.e., pixel or voxel values); each input value is indicative of a response to an interrogation signal (such as an echo signal for ultrasound waves) of a corresponding location of the body-part, which possibly includes the contrast agent. The method further includes the step of generating at least one filtered image from a plurality of selected ones of the input images (such as all of them or... |
| Device for absorbing and reducing noise in the inside of a vehicle | 20090301809 | 20091210 |
| A device for absorbing and reducing low-frequency airborne sound in the inside of a vehicle. At locations at which disturbing low-frequency airborne sound occurs, at least one orifice at which low-frequency airborne sound waves are braked, is formed in an adjacent boundary edge surface (2) of the vehicle interior, such as, for example, the upper edge of the rear door. In order to prevent high-frequency airborne sound (for example, flow noises and/or other external noises) from penetrating into the vehicle interior, an absorber, which absorbs high-frequency airborne sound, is introduced into the boundary edge surface.
... |
| Location tracking of a metallic object in a living body | 20090299175 | 20091203 |
| A method and apparatus are provided for determining and tracking location of a metallic object in a living body, and then directing a second modality such as ultrasound waves to the determined location. The metal detector may be a radar detector adapted to operate on a living body. The adaption may include disposing a transfer material having electromagnetic properties similar to the body between the radar detector and the living body, ECG gating the radar detector, and/or employing an optimal estimator with a model of expected stent movement in a living body. Applications include determination of extent of in-stent restenosis, performing therapeutic thrombolysis, or determining operational features of a metallic implant.
... |
| Thermoacoustic device | 20090296528 | 20091203 |
| An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect.
... |
| Optical cavity-enhanced photo acoustic trace gas detector with variable light intensity modulator | 20090288474 | 20091126 |
| A photo acoustic trace gas detector (100) is provided for detecting a concentration of a trace gas in a gas mixture. The detector (100) comprises a light source (101) for producing a light beam and a light modulator (103) for modulating the light beam into a series of light pulses for generating sound waves in the gas mixture. The light modulator (103) is arranged for modulating the light beam between a non-zero lower intensity level and a higher intensity level. An amplitude of the sound waves being a measure of the concentration. An optical cavity (104a, 104b) contains the gas mixture and amplifies a light intensity of the light pulses. A transducer (109) for converts the sound waves into electrical signals. A feed back loop (110,... |
| Speech enhancement system | 20090287481 | 20091119 |
| A speech enhancement system improves speech conversion within an encoder and decoder. The system includes a first device that converts sound waves into operational signals. A second device selects a template that represents an expected signal model. The selected template models speech characteristics of the operational signals through a speech codebook that is further accessed in a communication channel.
... |
| Ambient noise compensation system robust to high excitation noise | 20090287482 | 20091119 |
| A speech enhancement system controls the gain of an excitation signal to prevent uncontrolled gain adjustments. The system includes a first device that converts sound waves into operational signals. An ambient noise estimator is linked to the first device and an echo canceller. The ambient noise estimator estimates how loud a background noise would be near the first device before or after an echo cancellation. The system then compares the ambient noise estimate to a current ambient noise estimate near the first device to control a gain of an excitation signal.
... |
| Enhanced security of optical article | 20090285075 | 20091119 |
| An optical article comprising a mark disposed on the optical article; wherein the mark comprises an optical state change material; wherein the optical state change material undergoes a change in its optical state when exposed to an activation signal selected from one or more of a laser, thermal energy, infrared rays, X-rays, gamma rays, microwaves, visible light, ultraviolet light, ultrasound waves, radio frequency waves, electrical energy, chemical energy, magnetic energy, and mechanical energy; wherein the optical article is transformed from a pre-activated state to an activated state when an authorized activation method is used; and wherein the optical article is transformed from a pre-activated state to an incorrectly activated state when an unauthorized activation method is used. A method and a system for changing the functionality... |
| Enhanced security of optical article | 20090285074 | 20091119 |
| An optical article comprising a first file encoded on the optical article comprising data structure information; a second file encoded on the optical article comprising a backup of the first file; wherein at least one of the first file or the second file must be fully readable for the player to read the data on the optical article; and a mark disposed on at least a portion of the optical article where the first file is encoded and at least a portion of the optical article where the second file is encoded; wherein the mark comprises an optical state change material; wherein the optical state change material undergoes a change in its optical state when exposed to an activation signal selected from one or more of... |
| Sound-reducing baffle | 20090283358 | 20091119 |
| An accessory to an exhaust system is disclosed which reduces the decibel output from the engine of a vehicle while negligibly affecting the horsepower produced by the engine. The accessory can be built directly into an exhaust system by the manufacturer or added as an after-market enhancement by the consumer. The key elements to the device include a sound-funneling housing which circumscribes a diffusing element, both of which are removably or permanently capped on one side. The uncapped end of the housing is formed to engage a portion of the actual exhaust system. The overall result of this device reduces the total amount of noise produced, without noticeably affecting engine performance, while simultaneously inhibiting harmonic sound waves that can create an annoying rattling sound for the... |
| Methods, systems and computer program products for regenerating audio performances | 20090282966 | 20091119 |
| Methods for generating a new recording of a past musical performance of a musician from a recording of the past musical performance include obtaining a high-resolution data record representing actions of the musician while playing the past musical performance that is generated based on the recording of the past musical performance and positioning an automated musical instrument in a selected acoustic context and a sound detection device at a selected sound detection location in the selected acoustic context. The high-resolution data record is provided to the musical instrument to cause the musical instrument to re-produce the actions of the musician while playing the past performance. Sound waves generated by the musical instrument are recorded while the actions of the musician are being re-produced to generate the... |
| Therapy apparatus with sequential functioning | 20090281463 | 20091112 |
| A therapy apparatus for treating tissues by emission of focused ultrasound waves, includes a probe having a transducer formed by ultrasound elements distributed in several categories (N1 to NM) on a face for emission of focused ultrasound waves which is a surface of revolution generated by the rotation of a curve segment around an axis of symmetry, with the categories of ultrasound elements define independent and substantially contiguous focal volumes, and a control circuit including a signal generator for independently activating, alternately and substantially consecutively, the ultrasound emitter categories in such a way as to ensure continuous insonification in a ring shape originating from different categories of ultrasound emitters.
... |
| Multi-modality system for imaging in dense compressive media and method of use thereof | 20090281422 | 20091112 |
| A multi-modality system and method for performing detection, characterization and imaging of materials and objects in dense compressive media, such as in medical soft tissue applications, is disclosed. Medical tissue applications include but are not limited to the detection and diagnosis of breast tumors. Generally, an ultrasound subsystem is employed to excite a region in the dense compressive media and a microwave subsystem is employed to collect detection, characterization and imaging information from the excited region. In one preferred embodiment, multiple focused oscillating high-frequency ultrasound wave beams are transmitted into the media. The resultant low beat-frequency wave creates a force inducing motion in the materials and objects in the media. A radio-frequency microwave subsystem detects that motion and produces images based upon the Doppler effects of... |
| Thermoacoustic device | 20090279390 | 20091112 |
| An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes entangled with each other. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect.
... |
| Acoustic loading device for loudspeakers | 20090277713 | 20091112 |
| A loudspeaker horn includes a pair of opposed flared sides defining a passage diverging to a mouth, and a vane positioned in the passage for steering sound waves through the passage. The vane may have a straight configuration and be either centrally located between the flared sides or laterally offset in the diverging passage. The vane may be fixed in position or, more preferably, be pivotable so as to be adjustable before each new use according to conditions at that use. The horn may be part of a horn unit that includes a funnel for feeding sound to the horn, and the horn or horn unit may be part of a horn loudspeaker.
... |
| Belt-type continuously variable transmission having resin block belt and motorcycle including belt-type continuously variable transmission | 20080314676 | 20081225 |
| A belt-type continuously variable transmission that prevents escape of noise generated by a resin block belt to the outside. The resin block belt is wound around a primary sheave and a secondary sheave. A transmission case defines a belt chamber accommodating the primary sheave, secondary sheave, and resin block belt. The transmission case includes an exhaust passage, intake passages, and a sound absorbing member. The sound absorbing member is attached to an inner wall of the exhaust passage in a position to collide with sound waves traveling through the exhaust passage. The sound absorbing member has a sound absorbing surface crossing an extending direction of the exhaust passage.
... |
| Swimming pool cleaning and sanitizing system | 20080314762 | 20081225 |
| An in-line cleaning and sanitation apparatus for cleaning a liquid, the apparatus including electronic oxidation means to increase the oxidation reduction potential of the liquid, and ionization means to produce ions having an algaecidal or bactericidal effect into the liquid, in that order together with ultrasonic cleaning means to introduce sound waves into the liquid, and wherein the ionization means, the ultrasonic cleaning means and the electronic oxidation means are operated simultaneously for a period to clean and sanitize the liquid in the absence of added salt, chlorine or other chemicals.
... |
| Stirrer and analyzer | 20080316477 | 20081225 |
| A stirrer includes a vessel for holding a liquid to be stirred; and a sound wave generator that irradiates the liquid with a sound wave to stir the liquid by the sound wave. The sound wave generator includes a piezoelectric substrate, and a sound generating element provided on the piezoelectric substrate and arranged outside the vessel so as to be adjacent to the liquid across the vessel and the piezoelectric substrate to generate a sound wave for stirring the liquid.
... |
| Sonication of a medium | 20080308404 | 20081218 |
| Sonication of a medium for example in an immunoassay is provided by applying sound waves from a transducer to a vessel in which the medium is held via a sonotrode coupled between the transducer and the vessel. The sonotrode is coupled to the vessel by dry contact with the vessel without any coupling layers therebetween. The sonotrode which is operated in resonance has an arrangement with two protruding portions separated by a slit in the manner of a tuning fork with the vessel being mechanically held in a recess formed between the two protruding portions. The use of such a sonotrode provides the advantages of allowing effective sonication without remarkable energy loss and with a low temperature elevation
... |
| Method and device for removing biofilms by microsteaming | 20080311540 | 20081218 |
| A method of removing bio films from a surface is disclosed. The method includes a source of bubbles in a liquid medium being provided. The bubbles having a predetermined size. A source of ultrasound waves at a predetermined frequency also being provided. The bubbles in the liquid medium being output toward the surface. The ultrasound waves also being directed toward the surface so that the bubbles vibrate at the predetermined frequency of the ultrasound waves. The predetermined size of the bubbles is approximately related to the frequency of the ultrasound waves.
... |
| Gaming machine capable of changing the volume level in the predetermined audio range and tone control method | 20080305857 | 20081211 |
| Disclosed is a gaming machine. The gaming machine comprises a game that is operated by a betting of a player, background music information of a sound signal having a frequency characteristic that becomes a background music of the game, function music information of a sound signal having a frequency characteristic that becomes a function music representing an operating state of the game relating to an action of the player, a volume level changer that can change a volume level of the sound signal and switch a range in which the volume level is changed, a selection switch that is adapted to be operated from an outside and selects a range of the sound signal, a speaker that converts the sound signal into a sound wave and... |
| Gaming machine adjusting the volume level of background music | 20080305872 | 20081211 |
| Disclosed is a gaming machine. The gaming machine comprises a game that is operated by a betting of a player; background music information that is a sound signal that becomes a background music of the game; function music information that is a sound signal that becomes a function music representing an operating state of the game relating to an action of the player; a volume level changer capable of changing a volume level of the sound signal that becomes a background music of the game; a selection switch that is adapted to be operated from an outside and selects a volume level of the sound signal that becomes a background music of the game; a speaker that converts the sound signal into a sound wave and... |
| Device and method for ultrasound wound debridement | 20080306501 | 20081211 |
| An end-effector configured and dimensioned for being connected to an ultrasound surgical device is provided. The end-effector includes means for receiving ultrasound waves generated and propagated by the ultrasound surgical device, and means for debriding tissue on a wound surface. The means for debriding tissue includes at least one non-smooth surface; and means for propagating the received ultrasound waves to the at least one non-smooth surface for vibrating the at least one non-smooth surface, wherein the at least one non-smooth vibrating surface is configured to contact and debride tissue on the wound surface. A method is further provided for debriding wound tissue including the steps of providing ultrasound waves to a non-smooth surface configured for debriding, propagating the ultrasound waves to cause vibration of the non-smooth... |
| Ultrasound prediction of workpiece deformation | 20080295601 | 20081204 |
| Method of predicting the deformation of a workpiece (13) prior to machining that causes the workpiece to deform through release of residual stresses, which method consists in emitting a beam of ultrasound waves onto the surface of the workpiece (13) in such a way that a longitudinal wave (12) is propagated substantially parallel to and under the surface of the workpiece (13), then in measuring the propagation velocity of the subsurface longitudinal wave in a first region (A) sensitive to residual stresses and in a second region (B) somewhat insensitive to residual stresses, then in calculating the difference in the measured velocities and from this deducing the deformation that will result from machining the first region of the workpiece (13).
... |
| Electromagnetic microphone | 20080298609 | 20081204 |
| A microphone includes first and second magnet units disposed in a head housing and spaced apart from each other in an axial direction of the head housing. The first and second magnet units generate respectively first and second magnetic fields. A response unit is mounted in the head housing, is disposed between the first and second magnet units in the axial direction, and includes a diaphragm, and a conductive wiring disposed at the diaphragm. When the diaphragm vibrates between the first and second magnet units in response to an external sound wave signal, an electrical signal corresponding to the sound wave signal is induced in the conductive wiring as a result of action of the first and second magnetic fields.
... |
| Foster extension for flutes | 20080289475 | 20081127 |
| A flute attachment which improves and enhances the harmonic capability of a flute by lengthening the resonant chamber of the standing wave. The instant invention ‘fine tunes’ the harmonic range of the flute by taking into account the end point of the fundamental length of the sounding oscillations of an air column without negating the frequency which has been predetermined by the original terminus of the physical scale length of the flute. The sound wave length within a flute terminates slightly beyond the physical length of the flute tube and this difference in length is known as the ‘end correction’. The instant invention captures the node which extends beyond the flute tubing and balances and reinforces the propagation of upper partials throughout the sounding range of... |
| Method of modifying the frequency response of a wooden article | 20080289483 | 20081127 |
| Disclosed is a method for modifying the frequency response of a wooden article by exciting the article with acoustic energy. Frequency response is the measure of a system's spectrum response at the output due to a signal of varying frequency (but constant amplitude) at its input. The acoustic energy includes at least one excitation frequency, a composite broadband frequency component, or a combination thereof, which is preferably in the audible spectrum (20 to 20,000 Hz). The use of acoustic energy from the remote source provides non-contact excitation of the wooden article. In one embodiment, the acoustic energy is at least one sound wave which comprises at least one resonant frequency of the wooden article, at least one acoustic mode of the wooden article, at least one... |
| Position detector, position detecting method and analyzer | 20080291435 | 20081127 |
| A position detector is for detecting a position of liquid held in a vessel. The position detector includes a sound wave generator disposed in contact with the vessel and having a plurality of sound generating elements for generating a sound wave by electrical energy; and a measuring unit that measures electrical characteristics of each of the sound generating elements based on the electrical energy reflected from each of the sound generating elements. The position detector also includes a determining unit that determines the presence or absence of the liquid at a position of each of the sound generating elements based on difference in the electrical characteristics measured at the measuring unit.
... |
| Dental treatment apparatus with automatic tip recognition | 20080293008 | 20081127 |
| The invention relates to an ultrasound dental treatment appliance comprising a surgical handpiece (220) fitted with a transducer connected to an ultrasound generator (230), the handpiece being designed to receive ultrasound tips (210) that are mechanically coupled to the transducer and that operate in different ultrasound wave power and amplitude ranges. The dental treatment appliance includes means (224, 225), e.g. optical means, for automatically detecting the utilization power and amplitude range of the tip (210) mounted on the handpiece, and processor means for automatically setting the ultrasound generator to the detected power and amplitude range.
... |
| Point source speaker systems | 20080285762 | 20081120 |
| Point source speaker systems are provided. The point source speaker system receives audio input from a device. The system comprises a mountable enclosure, which contains a speaker array. The array includes a substantially forward facing left speaker, a substantially forward facing center speaker, a substantially forward facing right speaker and a horizontally mounted woofer speaker. A woofer tunnel is located behind the left, center and right speakers. The woofer tunnel accelerates woofer sound waves and terminuses at a woofer baffle which leads to a woofer port. The left speaker, center speaker and right speaker may include more than one speaker. One or more of these left speakers and right speakers may be a tweeter. The left speakers receive a left minus right input, the center speakers... |
| Ultrasonography using time- and temperature-sensitive variable adhesion coupling gels | 20080281197 | 20081113 |
| One aspect of the present invention relates to a method of ultrasonography, utilizing a gel comprising a reverse phase polymer which facilitates the transmission of high-frequency sound waves. Further, the inherent properties of the reverse phase polymer result in increased adhesion at higher temperatures, thereby helping to maintain the desired position of the ultrasound probe until the user intends to adjust the probe's position. In certain embodiments, the method is utilized in a medical procedure in which stability of an ultrasound probe or transducer in an intended desired position can improve the outcome or increase the efficiency of the procedure. In certain embodiments, the gel further comprises an additive to increase the ultimate adhesion of the gel. In still other embodiments, the gel can be used... |
| Plant potting having a sounding effect | 20080271372 | 20081106 |
| A plant potting includes a base, a magnet mounted in the base and connected to an electric cord, a damper mounted on the magnet, a vibration absorber mounted in the base and located above the damper, a vibrator protruding outwardly from the base and connected to the vibration absorber, a vibration receiver having a lower end connected to the vibrator, a pin holder mounted on an upper end of the vibration receiver, and a plant mounted on the pin holder. Thus, the stems, the flowers and the leaves of the plant function as a medium to transmit the sound wave from the sound so as to output a sound wave in a different sound transmitting way, thereby enhancing the sounding effect of the sound.
... |
| Ultrasonic flow rate meter having a pressure sensor | 20080271543 | 20081106 |
| An ultrasonic flow rate meter and a method for measuring the flow rate with the aid of ultrasound are described, having at least two ultrasonic transducers situated offset in a flow channel in the flow direction for transmitting and receiving ultrasound wave packets, so that ultrasound propagation times from one of the ultrasonic transducers to the other, and vice-versa, can be determined in an electronic part, and having a pressure sensor associated with the flow channel for determining the pressure in the flow channel. Measured values for an engine control that is as accurate as possible are determinable by accurately detecting the incoming air in the intake of a motor vehicle internal combustion engine.
... |
| Method for improving the acoustic properties, especially the sustain, of a string instrument, and fixing plate for fixing one end of the strings of a guitar | 20080271586 | 20081106 |
| The invention relates to a method for improving the acoustic properties, especially the sustain, of a string instrument comprising taut strings fixed at both ends of the instrument. An element is arranged on at least one end of at least one string, between a fixing device consisting of a first material and the string, said element consisting of a second material having a conductive and absorbent capacity for sound waves in the audible frequency range created by striking the strings, which is lower than the conductive or absorbent capacity of the first material in said frequency range, in such a way that the string is protected against any contact with the fixing device. The invention also relates to a novel fixing plate for using with guitars,... |
| Determination of sound propagation speed in navigated surgeries | 20080275339 | 20081106 |
| The patent discloses a method and device for measuring the speed of sound of ultrasound waves used in a sonographic examination of a patient's body structure. Marker devices are attached to an ultrasound probe and to an ultrasound reflecting body structure such that the distance traveled by the ultrasound waves can be determined by a navigation system. Using this distance and the transit time of the ultrasound waves, the measured speed can be calculated. The calculated speed of sound may then be used to accurately scale the ultrasound images.
... |
| Phase shifting device in electronic musical instrument | 20080264242 | 20081030 |
| It is an object of the invention to provide a phase switching device in an electric musical instrument capable of outputting a sound wave, which is output from the electric musical instrument, in a positive phase. A detection means that detects whether a sound wave transmitted from an electric musical instrument has a positive phase or a negative phase and a phase inverting means that inverts the phase of the sound wave from the electric musical instrument to a positive phase when a result of detection performed by the detection means is a negative phase are provided. An inversion operation driving means that causes the phase inverting means to perform an inversion operation on the basis of a detection signal when the result detected by the... |
| Sound-wave path-length correcting structure for speaker system | 20080264717 | 20081030 |
| A sound-wave path-length correcting structure for a speaker system includes a sound source and a horn. The horn has a sound-wave path-length correcting throat portion. The sound-wave path-length correcting throat portion corrects a sound-wave path-length of a sound wave input from an inlet opening thereof in the sound path, and emits the sound wave from an outlet opening thereof. The sound path is defined by a first side surface with a concave curved surface and a second side surface with a convex curved surface that face each other with a space, and a third side surface and a fourth side surface that face each other with a space. The third side surface and the fourth side surface are formed so that their surfaces gradually widen as... |
| Apparatus and method for ultrasound treatment of aquatic organisms | 20080257830 | 20081023 |
| The invention provides a method of treating a target area with an ultrasound wave pattern, including: providing an ultrasound apparatus having an ultrasound wave generator operatively attached to a plurality of transducers, coupled to an immersible support and configured to emit an ultrasound wave; immersing the apparatus into a water environment; positioning the apparatus proximate to a target area to treat at least one in situ organism; and emitting a pattern of ultrasound waves from the transducers, the pattern of ultrasound waves additive in effect and emitted onto the target area to threat an in situ underwater organism.
... |
| Reaction container and analyzing apparatus | 20080260585 | 20081023 |
| A reaction container holds a liquid agitated by sound waves. The reaction container includes two openings which serve as an introduction/discharge port of the liquid, and a holding member which has the two openings, holds the liquid between the two openings, and includes a sound wave generator arranged on one of a side surface and a portion close to the side surface for emitting sound waves to a portion between the two openings to agitate the liquid.
... |
| Apparatus and methods for measuring vibrations using spectrally-encoded endoscopy | 20080262314 | 20081023 |
| An apparatus and method according to an exemplary embodiment of to the present invention can provide imaging information associated with at least one portion of a sample. For example, at least two first different wavelengths of at least one first electromagnetic radiation within a first wavelength range may be provided on the portion of the sample so as to determine at least one first transverse location of the portion. At least two second different wavelengths of at least one second electromagnetic radiation may also be provided within a second wavelength range provided on the portion so as to determine at least one second transverse location of the portion. It is possible to obtain a relative phase between at least one third electromagnetic radiation electromagnetic radiation being... |
| Heart sound tracking system and method | 20080262368 | 20081023 |
| A system and method provide heart sound tracking, including an input circuit, configured to receive heart sound information, and a heart sound recognition circuit. The heart sound recognition circuit can be coupled to the input circuit and can be configured to recognize, within a particular heart sound of a particular heart sound waveform, a first intra heart sound energy indication and a corresponding first intra heart sound time indication using the heart sound information from the particular heart sound waveform and the heart sound information from at least one other heart sound waveform. The particular heart sound can include at least a portion of one of S1, S2, S3, and S4. Further, the first intra heart sound energy indication and the corresponding first intra heart sound... |
| Solution casting method and apparatus | 20080251967 | 20081016 |
| A camera for capturing a casting bead is provided at each side end of a discharge port in a width direction thereof. Plural speakers are provided at the vicinity of an opening of a decompression chamber. The camera continuously captures the casting bead, and outputs image data thereof to a control unit. The control unit includes a vibration detector and a suppressing vibration generator. The vibration detector detects vibration of the casting bead based on the plural image data. The suppressing vibration generator generates suppressing vibration signal representing the phase and amplitude of the suppressing vibration for suppressing the vibration generated in the thickness direction of the casting bead. The control unit controls the speakers based on the suppressing vibration signal to output sound wave. Thereby,... |
| Music sound generator | 20080245213 | 20081009 |
| A music sound generator imitates released key string vibration sounds (RKSV) and cabinet resonances of an acoustic piano. When a key is pressed, waveform is readout from a normal music sound waveform memory 15. The normal sound waveform is inputted into a filter 21, and inputted into a filter 22 through a band-pass filter 33. Output waveform of a cabinet resonance waveform memory 17 is inputted into a filter 23 when the key is pressed. Outputs of the filters are synthesized by an adder 27 through multipliers 24 through 26. When the key is pressed, a cut-off frequency of the filter 22 is sufficiently low and RKSV is not generated. If the damper is not on when key-releasing, the cut-off frequency is returned to normal and... |
| Electromagnetic lever diaphragm audio transducer | 20080247595 | 20081009 |
| An electromagnetic transducer including a frame, a diaphragm disposed within the frame and coupled to the frame such that the diaphragm may rotate relative to the frame, a panel-shaped former connected to the diaphragm, a conductive coil connected to the former, and a magnetic assembly including a gap in which a magnetic field is provided. The gap is positioned to receive the conductive coil, and the conductive coil is electrically charged within the gap to move such that the diaphragm rotates about a rotational axis to generate sound waves.
... |
| Continuous flow sonic reactor | 20080236160 | 20081002 |
| A centrifugal pump adapted to excite a high-intensity sound wave in a fluid feedstock is disclosed. The impeller and stator of the pump are provided with multiple apertures sized and spaced to produce a sound wave of an intensity greater than one megawatt per square meter in the fluid. The sound wave forms cavitation bubbles in the fluid, and the static pressure in the pump combines with the compression cycle of the sound wave to collapse the bubbles at a rate sufficient to cause exothermic reactions in the fluid. The sonic reactor can be configured for use to produce thermal energy, oil refining, catalyst production, water desalination and other uses.
... |
| Label structure and label structure obtaining method | 20070295439 | 20071227 |
| A label structure and a method for obtaining the label structure are described. A self-adhesive web of material continuously advances at a predetermined speed along a path between an ultrasonic horn assembly and a rotary anvil, the self-adhesive web of material of a type originally used for the obtaining of labels or other self-adhesive products. The ultrasonic horn assembly is further activated to move along its vertical axis and further transmits ultrasound wave signals when contacting the web of material. The rotary anvil welds predetermined strips onto the web of material, the predetermined strips inhibiting silicone from cross bands and from side longitudinal bands of a silicone layer of the silicone-coated plastic tape of the web of material, which will form back end cross bands, intermediate... |
| Sound receiver | 20070297630 | 20071227 |
| Sound waves having a proper phase difference are received by microphones fixed in a mesh-formed casing, while other sound waves pass through the casing, and reach a front surface of a diffuse reflection member. The randomly uneven front surface of the diffuse reflection member diffusely reflects the sound waves, thereby preventing the reflected sound waves from reaching the microphones at the proper phase difference. Any reflected sound waves that do reach the microphones are received at a phase difference that is different from the proper phase difference and are determined to be noise by a sound-source determining circuit, thereby enabling a sound receiver to receive only sound waves having the proper phase difference, and hence, improving directivity thereof.
... |
| Whistle | 20070289523 | 20071220 |
| A new whistle which emits louder sound level with easiness of blowing air through the whistle. It direct the sound to intended subject by having sound opening area in front of the whistle to direct sound waves to go forward motion and it has capacity to change the insert able wound chamber and insert able sound chambers are attach able to each others. Also using a sound reflector and angled air tunnel on whistle with opening on top can be used to make sound waves go forward.
... |
| Electronic game machine, data processing method in electronic game machine, program and storage medium for the same | 20070293313 | 20071220 |
| An aspect of the present invention includes 1) a process of detecting an event input that is inputted by an operation signal and determining sound characteristic information and sound effects corresponding to the event input, 2) a process of obtaining a first sound source position coordinates information in which a location where an event occurred in a virtual space is taken as a sound source position, 3) a process of determining a propagation mode of a sound to be produced corresponding to the event input in the virtual space based on sound characteristics information and the first sound source position coordinates information, 4) a process of determining a second sound source position coordinates information indicating a position of a sound source on the radar image based... |
| Acoustically-powered wireless defibrillator | 20070293895 | 20071220 |
| An acoustic transmitter produces a pulsed ultrasound waveform which is transmitted through body tissues to an implanted receiver-stimulator device. The waveform has an acoustic amplitude, pulse width, and pulse repetition period, which corresponds to a pacing pulse electrical amplitude, pacing pulse width, and pacing cycle length, respectively. The receiver-stimulator device intercepts at least a portion of the transmitted acoustic energy and coverts that acoustic energy into electrical energy using piezoelectric or other devices. This electrical energy is applied to circuitry, which produces a desired stimulating pulse waveform, which is then applied to tissue-contacting electrodes.
... |
| Mems process and device | 20070284682 | 20071213 |
| A MEMS device, for example a capacitive microphone, comprises a flexible membrane 11 that is free to move in response to pressure differences generated by sound waves. A first electrode 13 is mechanically coupled to the flexible membrane 11, and together form a first capacitive plate of the capacitive microphone device. A second electrode 23 is mechanically coupled to a generally rigid structural layer or back-plate 14, which together form a second capacitive plate of the capacitive microphone device. The capacitive microphone is formed on a substrate 1, for example a silicon wafer. A back-volume 33 is provided below the membrane 11, and is formed using a “back-etch” through the substrate 1. A first cavity 9 is located directly below the membrane 11, and is formed... |
| Using sound waves and photic energy for electric power | 20070284887 | 20071213 |
| An electric power generating and gaining device using sound waves and photic energy to generate magnetism together using a crystal microphone device providing a metallic film with metallic coil leading wires to sense and receive the frequency of external sound waves and pressure to form a vibratile magnetic field (N and S poles), using the magnetic field and leading wire thereof and the leading wire and coil magnetic field (N and S poles) of the solar cell to mutually cut to form electromagnet.
... |
| Method for controlling output from ultrasonic speaker and ultrasonic speaker system | 20070286433 | 20071213 |
| The invention enables to constantly obtain the optimum sound quality even when a listener changes his/her angle formed between a sound wave emitting axis of an ultrasonic transducer and a front direction axis of the listener with respect to the sound wave emitting axis. In an ultrasonic speaker system which reproduces signal waves in an audio frequency band by modulating carrier waves by signal waves in an audio frequency band outputted from a signal source, and driving an ultrasonic transducer by the modulated waves, a method for controlling output from the ultrasonic speaker system of the invention includes an angle measuring unit that measures a listener angle as an angle formed between a sound wave emitting axis of the ultrasonic transducer and an axis indicating a... |
| Vehicle sensor for detecting impact sound | 20070288139 | 20071213 |
| Disclosed is a vehicle sensor (4) for detecting impact sound, including a measured-value sensor (4.1) for detecting an impact sound. The measured-value sensor (4.1) includes several individual, separate measured-value sensing elements (4.1.x), each of which is coupled to a vehicle structure (5) in such a way that impact sound waves are transmitted by the vehicle structure (5) to the measured-value sensing elements (4.1.x).
... |
| Method for removing contaminants from silicon wafer surface | 20070277847 | 20071206 |
| Taught is a method of removal surface contaminants, including organic contaminants, metal ions and solid particles, from silicon wafer surface comprising the following steps: (a) submerging the silicon wafer surface in an aqueous cleaning agent solution through which current is passed using a boron-doped diamond film as an electrode; (b) submerging the silicon wafer surface in an aqueous cleaning agent solution; subjecting the silicon wafer to ultrasound waves; and, optionally, heating the solution; (c) submerging the silicon wafer surface in water through which current is passed using a boron-doped diamond film as an electrode; (d) submerging the silicon wafer surface in water with ultrasound and heating; (e) repeating step (d); and (f) spraying the silicon surface with water. The results obtained using the method according to... |
| Method and apparatus for transforming wave or field alternations into repetitive thrusts | 20070278975 | 20071206 |
| The subject of this invention is a method and apparatus of transforming consequent wave or field alternations into repetitive unidirectional thrusts in a synchronized manner. In the general classical version of the principle, the magnetic part of an appropriate coherent electromagnetic wave is synchronized to interact with appropriately prepared cyclic or oscillatory motion of charge. This produces repeated deflection thrusts pushing the charge toward a precise average direction. The principle may apply at the border of quantum physics, particularly under certain transitional cases. An apparatus is also provided that allows the principle to apply in many adjacent wave antinodes. The part of the wave that has participated in the interaction may carry non-classical attributes, which the method produces. The general principle may operate with other kinds... |
| Speaker with acoustic damped port | 20070280499 | 20071206 |
| Systems, methods, and devices for improving speaker performance with an acoustic damped port are disclosed. In accordance with various embodiments of the present invention, a damping material is placed around a vented frame of a speaker driver, and substantially covers or fills the vents of the frame. In some embodiments, the damping material results in improved impedance matching with acoustic delay, without required dimensional tuning (as with conventional ports). In some embodiments, it also reduces the air velocity gradients minimizing higher order frequency distortion components. In some embodiments, the damping material also acts as an absorber of energy by coupling to the sound wave. In some embodiments, low-frequency performance is improved in a small-scale design.
... |
| Method and system for short-range ultrasonic location sensing | 20070272019 | 20071129 |
| A system and method for short-range ultrasonic detecting of a target is proposed herein to be used for example in a liquid-dispensing system such as those provided in home refrigerators. The system comprises a sensor assembly including a transmitter and a receiver positioned side by side so as to yield respective transmitting and receiving beams which overlap to define an asymmetrical shaped detection area, a controller coupled to both the transmitter and receiver to activate the transmitter and for receiving echoes indicative of the target from the receiver and to the dispensing system for opening a valve of the dispensing system when a target is detected. The proposed system eliminates the phenomenon of oscillation (decay time of the excitation signal) between the incoming and outgoing sound... |
| Remote controller with a communication function | 20070273655 | 20071129 |
| A remote controller includes an input module including an input panel and a controller coupled to the input panel for generating coordinate information of the input panel. The remote controller further includes a data transmission interface for transmitting data to an electronic appliance, a microphone for transforming sound waves into audio signals, a speaker for transforming audio signals into sound waves, an image capturing module for capturing and converting image of a user to image signals, an image display module for converting image signals of a remote user received to an image, and a control unit coupled to the input module, the data transmission interface, the microphone, and the speaker, for controlling the data transmission interface to transmit audio or images signals and data corresponding to... |
| Sound-wave imaging method and apparatus | 20070274156 | 20071129 |
| An ultrasound imaging method including an emission step during which an array of transducers is caused to emit at an ultrasound wave focused in a target medium by causing the excitation wave to pass through a reverberant solid object prior to reaching the target medium.
... |
| Superdirectional acoustic system and projector | 20070274541 | 20071129 |
| A superdirectional acoustic system for reproducing a sound signal supplied from a real sound source by using a superdirectional speaker and producing a virtual sound source in a vicinity of a sound wave reflection surface. The system includes an ultrasonic speaker, which includes an ultrasonic transducer for oscillating a sound wave in an ultrasonic frequency band, for reproducing an audio signal in a relatively medium to high frequency sound range, which is included in the sound signal supplied from the real sound source; and a low frequency sound reproducing speaker for reproducing an audio signal in a relatively low frequency sound range, which is included in the sound signal supplied from the real sound source. Sound in the medium-high frequency range is reproduced in a manner... |
| Multiple frequency doppler ultrasound probe | 20070276252 | 20071129 |
| A method of measuring blood flow through a blood vessel is provided using a single quasi-continuous mode probe that can support multiple frequencies without increasing the probe tip size. A plurality of elements are provided in the probe tip. Each element emits ultrasound waves using a long pulsed signal with each element having a different resonant frequency. Each element also receives ultrasound energy in a continuous mode. A selector is manually controlled by a practitioner to select the active element. The output may take a variety of forms. For example, the output may be printed, displayed, recorded to a memory, and/or played through a speaker or headset.
... |
| Low-frequency acoustic waves for collecting and/or moving particles inside articles | 20070267351 | 20071122 |
| A system and method for collecting, mixing and/or extracting particles from within an article, e.g., by size or density, including the steps of applying a sound wave to the article, whereby the sound wave disperses particles throughout the article, and optionally transporting and/or collecting the particles from the article. This system and method is useful for applications that require noninvasive methods to effect the movement of particles within articles that may contain materials such as solids, fluids, and/or gases.
... |
| Hearing device | 20070263891 | 20071115 |
| The hearing device to be worn by a user of the hearing device comprises an input transducer for transducing incoming acoustical sound into audio signals; a signal processor for processing audio signals; an output transducer for transducing audio signals into outgoing acoustical sound. Said signal processor is designed such that there exists an input SPL range of at least a portion of said incoming acoustical sound, in which an increase in input SPL of said at least one portion of said incoming acoustical sound results in a decrease in output SPL of at least a portion of said outgoing acoustical sound, wherein SPL stands for sound pressure level. Through this, at high input SPL the hearing device's power consumption can be reduced by making use of... |
| Method and device for generating movement in a thin liquid film | 20070264161 | 20071115 |
| The invention relates to a method for generating motion in a thin liquid film on a substrate, in particular in a capillary gap, in which at least one ultrasound wave is sent right through the substrate in the direction of the liquid film, and a device for carrying out the inventive method.
... |
| Notification system and the method of mobile phone call arrival using sound communication | 20070265038 | 20071115 |
| Disclosed is an incoming call notifying system for notifying a user of an incoming call of a mobile terminal. The incoming call notifying system comprises: a mobile terminal including a speaker configured to output a sound wave and a controller configured to control so as to output a sound wave signal of a predetermined frequency to the speaker in the incoming call; and an incoming call notifying apparatus including a microphone configured to receive a surrounding sound wave, a processor configured to analyze the sound wave received from the microphone, determine whether the received sound wave is the sound wave signal sent from the speaker of the mobile terminal, and if so, send a command a to notifying means.
... |
| Substrate penetrating acoustic sensor | 20070256500 | 20071108 |
| An acoustic sensor configured to detect sound waves traveling through a substrate in which the acoustic sensor is embedded. The acoustic sensor includes a piezoelectric element and mass configured to receive and react to sound waves in three dimensions. Also, methods of using the acoustic sensor to receive sound waves traveling through a substrate.
... |
| Electromagnetic lever diaphragm audio transducer | 20070258617 | 20071108 |
| A speaker system including a horn having walls extending from a throat of the horn to a mouth of the horn and defining a cavity within the horn. At least one of the walls includes a panel that is contoured to the shape of the wall and that is configured to move with respect to the wall. A driver is disposed proximate the at least one wall and configured to cause the panel to vibrate and emit sound waves into the cavity of the horn.
... |
| Ultrasonic fingerprint scanning utilizing a plane wave | 20070258628 | 20071108 |
| The invention may be embodied as a fingerprint scanner having an ultrasonic wave detector, a platen, an ultrasonic wave generator located between the detector and the platen. The invention may be embodied as a method of scanning a finger. One such method includes providing a platen, a detector and a generator, the generator being placed between the platen and the detector. A finger may be provided on the platen, and an ultrasound wave pulse may be sent from the generator toward the finger. The wave pulse may be reflected from the finger, and received at the detector. The received wave pulse may be used to produce an image of the finger.
... |
| System and method for monitoring a filter | 20070251221 | 20071101 |
| An engine assembly may include an internal combustion engine configured to combust fuel. The combustion of fuel may produce exhaust and sound waves that may be directed into an exhaust line. A particulate filter may be operatively coupled to the exhaust line, and the particulate filter may be configured to filter the exhaust. The engine assembly may also include a sensor package operatively coupled to the exhaust line. At least a portion of the sensor package may extend into the exhaust line at a location downstream from the particulate filter. The sensor package may be configured to monitor the sound waves passing through the particulate filter and to produce an electrical signal indicative of the intensity of the sound waves.
... |
| Method and device for measuring a phase separation concentration | 20070251303 | 20071101 |
| A method of determining a phase separation concentration of a sample substance in a solution, comprises the steps of measuring values of a physical quantity of the solution containing the sample substance with at least one sample substance concentration lower then the phase separation concentration, wherein the physical quantity characterizes an interaction of the solution with sound waves, determining a concentration function representing a dependency of the physical quantity on the sample substance concentration lower then the phase separation concentration, and determining the phase separation concentration as a concentration value at which the concentration function equals a predetermined critical value of the physical quantity of the solution containing the sample substance in a saturated condition. Furthermore, a concentration determining device is described.
... |
| Method of processing sounds from stringed instrument and pickup device for the same | 20070245884 | 20071025 |
| It is an object of the present invention to provide a pickup device for a stringed instrument which can take a piezoelectric signal for a tone of an acoustic stringed instrument. A stringed instrument is composed of a stringed instrument main body and a sensor mechanism. The stringed instrument main body is composed of one or more strings, a vibration plate used to radiate the vibration of each string as a sound wave, and a sensor mechanism that can make pressure contact with the vibration plate of the stringed instrument main body. The sensor mechanism has fixing means configured to be secured to the stringed instrument main body and a contact sensor member tightly contacted with the vibration plate directly or via an intermediate member.
... |
| Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically | 20070242844 | 20071018 |
| An acoustic transducer, specifically an electrostatic loudspeaker (ESL) providing curvature in two directions for improved dispersion of sound waves. The compound curvature also provides a virtual focus of the propagated sound waves for accurate reproduction of musical program material recorded with standard single-point microphones. The highly directional nature of high frequency sound waves requires that a flat or cylindrical electrostatic transducer must be physically tall to allow a listener to either recline or stand. The two-axis curved structure enables a compact form of ESL to be realized, including bookshelf type loudspeakers whereas all known commercial units are comparable in height to that of a human listener. The individual curved ESL panels can also be readily combined to create larger transducer assemblies including omni-directional units. A preferred... |
| Speaker set and mobile phone incorporating the same | 20070242848 | 20071018 |
| A mobile phone and an acoustic box structure thereof are provided. The mobile phone includes a shell containing a printed circuit board (PCB) and a hidden antenna therein. The acoustic box structure is disposed between the PCB and the hidden antenna. The acoustic box structure includes a main body, a loudspeaker accommodated in the main body and a frame located between the PCB and the main body. Due to the design of the frame, a hermetic space is framed between the PCB and the main body, thereby preventing sound waves generated by the loudspeaker from leaking out via a gap between the main body and the PCB. Furthermore, the frame made of shockproof materials decreases the resonant transfer between the PCB and the loudspeaker. Consequently, the... |
| Apparatus and methods for pain relief using ultrasound waves in combination with cryogenic energy | 20070244528 | 20071018 |
| The method and device of the present invention for pain relief using ultrasound waves in combination with cryogenic energy includes a generator and a transducer to produce ultrasonic waves and a cryogenic source to produce cryogenic energy. Ultrasound waves are delivered to the target in combination with cryogenic energy. Ultrasound waves and cryogenic energy can be delivered to the target from the radial side of the ultrasound horn and/or tip or can be delivered from the distal end of the ultrasound tip. Cryogenic energy can also be delivered directly to the target through a central orifice. Ultrasound energy can also be delivered through a cryogenic spray at the distal end. The use of ultrasound waves in combination with cryogenic energy can provide an analgesic effect.
... |
| Tuning device for musical instruments and computer program for the same | 20060288850 | 20061228 |
| A portable tuning device samples discrete values on a fundamental frequency component of an audio signal, which is equivalent to sound waves produced in a musical instrument, and extracts plural series of fundamental frequency components to be converted to plural bit strings of 1s and 0s; since a time delay equal to the inverse of target frequency is introduced between the first bit of one bit string and the first bit of the next bit string, a series of gradation data has a bit string identical with the bit strings at the consistency with the target frequency, and the series of gradation data has bit strings different from the bit strings at the inconsistency regardless of a cycle time so that user recognizes the tuning state... |
| Application of sonic particle scavenging process to threat aerosols | 20060288866 | 20061228 |
| A process and a system applying sonic particle scavenging to threat aerosols, particularly threat aerosols of chemical and biological origin, in both confined and unconfined, open air situations. The effectiveness of sonic particle scavenging is improved by adding a secondary aerosol that neutralizes chemical and biological aerosol particles upon impact therewith. The neutralizing aerosol also serves to increase the total amount of aerosol interactions. Preferably, the neutralizing aerosol is dispersed into the region containing the threat aerosols, followed by activating a high-power acoustic source to generate high-power sound waves, which drives particles of the threat aerosol into each other as well as neutralizing aerosol particles. Thereby, the majority of threat aerosol particles are neutralized and/or the threat aerosol particle size is increased. Threat particle of increased... |
| Method and device for driving a directional speaker | 20060291667 | 20061228 |
| A directional speaker that vibrates a diaphragm to send sound waves includes reproducing signal generation means 10 for outputting a reproducing audible signal; ultrasonic signal generation means 20 for outputting a carrier wave signal at a frequency in an ultrasonic band; phase modulation means 30 for phase modulating the carrier wave signal with the reproducing audible signal to output a modulated carrier wave signal; and diaphragm driving means 50 for vibrating the diaphragm based on a compression cycle of the modulated carrier wave signal. The configuration, in which the ultrasonic carrier wave is modulated with an audio signal, can generate a small, narrow-directional audible sound field without using a parametric effect. At the same time, the ultrasonic carrier wave is modulated in such a way that... |
| Filter assemblies and systems for intake air for fuel cells | 20060292426 | 20061228 |
| A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element that reduces sound waves or noise emanating from any equipment, such as a compressor. The filter assembly can include a particulate filter portion for removing physical or particulate contaminants, a chemical filter portion for removing chemical contaminants, or can have both portions.
... |
| Personal authentication using heart sound waveform and/or breathing waveform pattern | 20060293606 | 20061228 |
| We provide quite a novel personal authentication system using heart sound waveform and/or breathing waveform pattern which promptly judges personal authentication of a person to be authenticated with a very high degree of accuracy. The personal authentication system is comprised of a waveform detection means which detects a heart sound waveform pattern and a means which compares a heart sound waveform pattern detected by the waveform detection means with a previously registered heart sound waveform pattern. If the detected heart sound waveform pattern coincides with the registered heart sound waveform pattern, the system authenticates the person to be identical. In such constitution, the system can check the autonomic heart sound which cannot be controlled by a personal will based on the previously registered heart sound waveform... |
| Musical sound waveform synthesizer | 20060283309 | 20061221 |
| In a musical sound waveform synthesizer apparatus, a performance event information receiver receives performance event information representing musical performance events which successively occur as a musical performance progresses. A musical sound synthesizer synthesizes a waveform of a musical sound corresponding to each musical performance event based on the performance event information. An overlap detector detects whether or not a first musical sound and a second musical sound overlap with each other based on the performance information. A sound length meter obtains a sound length of the first musical sound based on the received performance event information. When the first musical sound and the second musical sound overlap with each other, the musical sound synthesizer instantly terminates synthesizing of a waveform of the first musical sound and... |
| Bell side structure for stethoscope head | 20060283656 | 20061221 |
| A bell side structure for a stethoscope head of the present invention is related to a design for a stethoscope head, and more particularly to a bell side structure fabricated from a metallic diaphragm. The metallic diaphragm includes a metallic membrane, and superior conductibility of metallic material is used to increase conduction efficiency of sound waves by the bell side, thereby increasing diagnostic effectiveness of the stethoscope head.
... |
| Open-air noise cancellation for diffraction control applications | 20060285697 | 20061221 |
| A variety of open-air noise cancellation systems are disclosed. The systems are configured to suit the needs of the particular application, for example, a sound wall installation, a seat or chair headrest application, a patio umbrella installation, or a window/door treatment application. A particular system may utilize an analog-based or a digital-based processing architecture that receives a noise signal, processes an out-of-phase noise cancellation signal, and generates an out-of-phase sound wave that effectively cancels the noise signal.
... |
| Apparatus, system and method for capturing sound | 20060285699 | 20061221 |
| A sound capture apparatus with first and second omnidirectional acoustic transducers mounted at a separation distance to simulate a manner by which sound waves propagate around a human head. The apparatus also includes an arrangement for amplifying the output of each transducer. The amplifying arrangement is mounted within a housing in close proximity to the transducers. The amplifying arrangement provides output signals at line level.
... |
| Sponge bob singing in the shower toy | 20060278469 | 20061214 |
| A waterproof housing is provided with an upper shell piece having a cone positioned over a non-waterproof (e.g. paper) speaker. The cone has conical stepped depressions mimicking the shape of the speaker. A speaker retainer presses the speaker in an air tight seal to the upper shell to assure that air is trapped in the chamber formed by the speaker and the upper shell. The circumference of the cone is a waveform, which allows a stiffer center plastic portion of the cone to vibrate when the sound waves hit it. More particularly, the cone is coupled to a cylindrical collar portion of the upper shell by a web of plastic material sufficiently thin so that the cone vibrates in sync with the speaker and emits the... |
| Discrimination analysis algorithm, system and method of use | 20060281044 | 20061214 |
| System and methods of detecting and measuring periodontal disease comprising filling a periodontal pocket with a fluid capable of propagating sound waves, transmitting a sound wave into the periodontal pocket, sensing the return sound wave from the periodontal pocket, and determining the depth of the pocket by measuring the time it takes the at least one transmitted sound wave to traverse the periodontal pocket and return. A peak discrimination analysis algorithm is also provided.
... |
| Ultrasonic periodontal, system and method of using | 20060281045 | 20061214 |
| System and methods of detecting and measuring periodontal disease comprising filling a periodontal pocket with a fluid capable of propagating sound waves, transmitting a sound wave into the periodontal pocket, sensing the return sound wave from the periodontal pocket, and determining the depth of the pocket by measuring the time it takes the at least one transmitted sound wave to traverse the periodontal pocket and return. A peak discrimination analysis algorithm is also provided.
... |
| Opto-acoustic methods and apparatus for perfoming high resolution acoustic imaging and other sample probing and modification operations | 20060272418 | 20061207 |
| One aspect of the present invention concerns scanning acoustic microscopes in which sound waves used for imaging purposes are generated by an opto-acoustical process. A scanning acoustic microscope of the present invention includes an opto-acoustic transducer assembly having a substrate. Formed in the substrate of the opto-acoustic transducer assembly is a layer of opto-acoustic material. When pulsed light waves impinge the layer of opto-acoustic material, pulsed sound waves are created. An acoustic lens also formed in the substrate focuses the pulsed sound waves which are then used to probe the physical and mechanical properties of a sample object. Pulsed sound waves reflecting off the sample object return to the opto-acoustic transducer where the pulsed sound waves impinge the layer of opto-acoustic material. The impinging sound waves... |
| Opto-acoustic methods and apparatus for performing high resolution acoustic imaging and other sample probing and modification operations | 20060272419 | 20061207 |
| One aspect of the present invention concerns scanning acoustic microscopes in which sound waves used for imaging purposes are generated by an opto-acoustical process. A scanning acoustic microscope of the present invention includes an opto-acoustic transducer assembly having a substrate. Formed on or in the substrate of the opto-acoustic transducer assembly is a layer of opto-acoustic material. When pulsed light waves impinge the layer of opto-acoustic material, pulsed sound waves are created. An acoustic lens also formed in the substrate focuses the pulsed sound waves which are then used to probe the physical and mechanical properties of a sample object. Pulsed sound waves reflecting off the sample object return to the opto-acoustic transducer where the pulsed sound waves impinge the layer of opto-acoustic material. The impinging... |
| Person monitoring | 20060273914 | 20061207 |
| A person monitoring system, such as a baby monitor a monitored unit including a microphone for transducing radiated sound waves and sound waves emanating from the person to a received audio signal and circuitry for removing from the received audio signal a portion of the received audio signal corresponding to the radiated sound waves to provide an audio signal corresponding to the sound waves emanating from the person.
... |
| Method and device for blending small quantities of liquid in microcavities | 20060275883 | 20061207 |
| The invention relates to a method for thoroughly mixing liquids in at least one microcavity using sound-induced flow, in which by means of at least one piezoelectric ultrasonic transducer at least one ultrasound wave of a frequency greater than or equal to 10 MHz is sent through a solid-body layer extending in the direction of sound propagation, which is greater than ¼ of the wavelength of the ultrasound wave, for generating a sound-induced flow into the at least one microcavity, and a device for carrying out the method according to the present invention.
... |
| Ultrasonic periodontal device and method of using | 20060270935 | 20061130 |
| System and methods of detecting and measuring periodontal disease comprising filling a periodontal pocket with a fluid capable of propagating sound waves, transmitting a sound wave into the periodontal pocket, sensing the return sound wave from the periodontal pocket, and determining the depth of the pocket by measuring the time it takes the at least one transmitted sound wave to traverse the periodontal pocket and return. A peak discrimination analysis algorithm is also provided.
... |
| Airborne acoustic sensor array | 20060262646 | 20061123 |
| Embodiments for determining the bearings to targets from a remote location are disclosed. The apparatus consists of an array of acoustic sensors that is capable of autonomous flight. The array may be large in diameter, approximately one meter or greater. The apparatus is capable of navigating its flight to arrive at a predetermined location, measuring acoustic sound waves emitted by targets both during flight and after landing. The apparatus may then calculate the bearings to the targets and transmit this information to a remote location.
... |
| Interference-free ultrasound imaging during hifu therapy, using software tools | 20060264748 | 20061123 |
| Disclosed herein is a method for obtaining a composite interference-free ultrasound image when non-imaging ultrasound waves would otherwise interfere with ultrasound imaging. A conventional ultrasound imaging system is used to collect frames of ultrasound image data in the presence of non-imaging ultrasound waves, such as high-intensity focused ultrasound (HIFU). The frames are directed to a processor that analyzes the frames to identify portions of the frame that are interference-free. Interference-free portions of a plurality of different ultrasound image frames are combined to generate a single composite interference-free ultrasound image that is displayed to a user. In this approach, a frequency of the non-imaging ultrasound waves is offset relative to a frequency of the ultrasound imaging waves, such that the interference introduced by the non-imaging ultrasound waves... |
| Protective thin film dressing for therapeutic and diagnostic ultrasound | 20060264751 | 20061123 |
| A protective thin film adhesive dressing 10 is disclosed for use during diagnostic ultrasound exams and therapeutic ultrasound treatments. Thin film dressing 10 accommodates and covers various shaped transducers 22 and provides a sterile contact surface between a transducer's acoustic window 24 and a body 34, human or animal. Thin film dressing 10 is transparent, ultra light weight and does not change the shape or dimensions of an ultrasound probe 22 during use. Ultrasound wave freely traverse thin film dressing 10 without have a contact media such a gel 20 between acoustic window 24 and the inner surface of thin film dressing 10.
... |
| Active sound reduction apparatus and active noise insulation wall having same | 20060251267 | 20061109 |
| An active noise insulation wall includes an active sound reduction apparatus disposed on an upper end surface of a noise insulation wall. The active sound reduction apparatus comprises a combination of an active acoustic control cell and a sound tube. The active acoustic control cell controls a coming noise such that a diffracted sound pressure component of the coming noise at the upper end surface of the noise insulation wall is actively reduced. The sound tube decreases a sound wave of a frequency different from a target frequency of the active acoustic control cell. Thus, the active noise insulation wall can effectively reduce noises including many frequency components.
... |
| Anti-pop device for audio amplifiers | 20060251270 | 20061109 |
| An anti-pop device for audio amplifier is suitable for outputting signals to a speaker to produce sound waves. The audio amplifier comprises a pre-processing unit, a filter and a voltage level detection unit electrically connected to the pre-processing unit. The voltage level detection unit detects the supply voltage. As the supply voltage is lower than a predetermined value, the voltage level detection unit outputs a signal to the pre-processing unit for lowering the audio volume so that a pop noise caused by circuit malfunction resulted from excessively-low supply voltage can be prevented.
... |
| Ceiling mounted loudspeaker system | 20060251271 | 20061109 |
| A ceiling-mounted speaker system which employs directional-radiating electro-acoustic transducer arrays which aim sound waves at suitable surfaces in the room, whereby the sound is perceived as coming from a location matching a screen location. Pattern control of the sound radiation provided by signal delay within array columns and rows enhances sound clarity.
... |
| Backpack with integrated speakers | 20060251284 | 20061109 |
| The personal wearable speaker system includes a backpack having a plurality of substantially hollow tubular ducts formed from a substantially flexible material designed to promote superior sound wave flow and anti-collapse (pinch) functionality, and a plurality of pairs of sound transducers.
... |
| Noise suppressor for air compressor | 20060251527 | 20061109 |
| A method of neutralizing noise for an air compressor includes routing sound waves exiting an air intake of an air compressor along two separate paths, with a length of a first path being about one-half the wavelength of the sound waves and the length of the second path being negligible relative to the wavelength of the sound waves. In a first state, sound waves in a first path close a first valve to prevent the sound waves from exiting the first path while the a second valve in the second path remains open to permit inflow of ambient air through the second valve. In a second state, sound waves in the second path close the second valve to prevent the sound waves from exiting the second... |
| Echogenic markers on gi medical devices | 20060247530 | 20061102 |
| An endoscopic ultrasound-guided system and method for monitoring the location of a device contained within intraluminal and extraluminal regions of a patient is described. The endoscopic ultrasound-guided system includes a linear echoendoscope, a device, and a wire guide. The device and wire guide contain echogenic surfaces which enable transducers placed at the distal end of the linear echoendoscope to ultrasonically monitor the location of the devices. When the echogenic surface of the device encounters incident ultrasound waves emitted from a series of linear array transducers, a real-time ultrasonic image of the device is generated as the incident ultrasound waves reflect off the echogenic surfaces and propagate back towards the transducers. The surgeon receives the real-time ultrasonic image of the device and then can determine the location... |
| Micromachined microphone and multisensor and method for producing same | 20060237806 | 20061026 |
| A micromachined microphone is formed from a silicon or silicon-on-insulator (SOI) wafer. A fixed sensing electrode for the microphone is formed from a top silicon layer of the wafer. Various polysilicon microphone structures are formed above a front side of the top silicon layer by depositing at least one oxide layer, forming the structures, and then removing a portion of the oxide underlying the structures from a back side of the top silicon layer through trenches formed through the top silicon layer. The trenches allow sound waves to reach the diaphragm from the back side of the top silicon layer. In an SOI wafer, a cavity is formed through a bottom silicon layer and an intermediate oxide layer to expose the trenches for both removing the... |
| Ultrasonographic device and ultrasonographic method | 20060241458 | 20061026 |
| An ultrasound diagnostic apparatus including: a tomogram forming means forming a tomogram of a diagnosis portion of an examinee by transmitting/receiving an ultrasound wave to/from the examinee via an ultrasound probe; color Doppler image forming means forming a color Doppler image based on a Doppler signal obtained from the diagnosis portion; image processing means performing image processing on the tomogram and the color Doppler image; and display means displaying images obtained by the image processing means, the tomogram and the color Doppler image being color displayed on the display means, wherein the image processing means causes the color Doppler image to be displayed transparently.
... |
| Ultrasound probe | 20060232164 | 20061019 |
| An ultrasound probe obtained by arranging, on a backing 10, a plurality of transducers each of which comprising a piezoelectric transducer 20, an acoustic lens 40, and an acoustic matching layer provided between the piezoelectric transducer 20 and the acoustic lens 40, the acoustic matching layer containing a fibrous material, and the direction of fibers in the fibrous material being perpendicular to the direction of sound waves.
... |
| Blood collection and measurement apparatus | 20060228258 | 20061012 |
| Some embodiments of the invention provide one apparatus that is suitable for both the collection and measurement of a blood sample. Once a blood sample is drawn into such an apparatus the blood sample can be analyzed, without having to transfer any portion of the blood sample into another vessel. Also, in some very specific embodiments, the apparatus is provided with an optical chamber that is specifically designed to reduce the average attenuation of electromagnetic radiation (EMR) due to scattering of EMR by the red blood cells in a blood sample, without having to hemolyze the red blood cells by using sound waves or by adding reagents to the blood sample. Moreover, as a result of the time saved by using a single apparatus for blood... |