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Date/App# patent app List of recent Acoustic Wave-related patents
04/17/14
20140107627
 Wireless force sensor on a distal portion of a surgicla instrument and method patent thumbnailnew patent Wireless force sensor on a distal portion of a surgicla instrument and method
A surgical instrument includes a distal portion. A force sensor is operatively mounted on the distal portion.
04/17/14
20140107462
 Object information acquiring apparatus and object information acquiring method patent thumbnailnew patent Object information acquiring apparatus and object information acquiring method
The object information acquiring apparatus of the present invention acquires characteristic information in an object by using an acoustic signal output from an acoustic detector including an element for receiving an acoustic wave which has propagated in the object, and includes a receiving area determination unit for obtaining a receiving area of receiving the acoustic wave by using information of a specified acquisition area for the characteristic information specified by a user, configuration information related to accuracy of the characteristic information to be acquired, and receiving condition information on receiving conditions of the acoustic wave, and a scanning control unit for controlling scanning of the acoustic detector by using information of the receiving area obtained by the receiving area determination unit.. .
04/17/14
20140104986
 Method and device for determining a driving signal for vibroseis marine sources patent thumbnailnew patent Method and device for determining a driving signal for vibroseis marine sources
Controller and method for determining a driving signal of a vibro-acoustic source element that is configured to generate acoustic waves in water. The method includes estimating at least one physical constraint of the vibro-acoustic source element; modeling a ghost function determined by a surface of the water; setting a target energy spectrum density to be emitted by the vibro-acoustic source element during the driving signal; and determining the driving signal in a controller based on at least one physical constraint, the ghost function, and the target energy spectrum density..
04/17/14
20140104980
 Virtual electrode current injection using seismic focusing and seismoelectric conversion patent thumbnailnew patent Virtual electrode current injection using seismic focusing and seismoelectric conversion
The present invention relates to acoustic wavefields produced using sources appropriately delayed in time and focused at known positions and times in a heterogeneous medium. Seismoelectric conversion occurs if the acoustic focus point coincides with a discontinuity in electrical and hydrological medium properties, thus generating a current density.
04/17/14
20140104979
 Ground-penetrating tunnel-detecting active sonar patent thumbnailnew patent Ground-penetrating tunnel-detecting active sonar
A ground-penetrating tunnel-detecting active sonar launches two different monotonic acoustic beams down into the ground from the surface. If the two separate monotonic acoustic waves arrive at a stress field, they will mix and produce a frequency difference heterodyne due to the inherent pressure nonlinearities in the solid medias.
04/17/14
20140104196
 Curved profile touch sensor systems and methods patent thumbnailnew patent Curved profile touch sensor systems and methods
Systems and related methods providing for touch sensors having at least one non-linear edge. A touch sensor may include a substrate configured to propagate surface acoustic waves.
04/17/14
20140103465
 Surface acoustic wave (saw) device package and method for fabricating same patent thumbnailnew patent Surface acoustic wave (saw) device package and method for fabricating same
A surface acoustic wave (saw) device package and method for packaging a saw device provide a surface excited device having a small footprint, low cost and fabricated according to a unique manufacturing process. A substrate including a saw active area on a first side is bonded to another similar sized substrate with a space sufficient to allow the propagation of the saw on a top surface of the substrate.
04/17/14
20140102216
 Non-contact torque sensing for valve actuators patent thumbnailnew patent Non-contact torque sensing for valve actuators
Non-contact torque, thrust, strain, and other data sensing of a valve actuator or valve is disclosed. A sensor may include a surface acoustic wave device..
04/17/14
20140102204
 Probe, object information acquisition apparatus, and method of manufacturing the probe patent thumbnailnew patent Probe, object information acquisition apparatus, and method of manufacturing the probe
A probe configured to receive an acoustic wave from an object including an element having a cell structure, in which a vibration membrane having one of a pair of electrodes formed with a gap arranged therebetween is supported so that the vibration membrane can be vibrated by the acoustic wave; a light reflection layer provided at a position near the object with respect to the element and configured to reflect light; and a support layer provided between the element and the light reflection layer and configured to support the light reflection layer.. .
04/17/14
20140102197
 Bulk acoustic wave accelerometers patent thumbnailnew patent Bulk acoustic wave accelerometers
Accelerometers and associated techniques for detecting motion are described. For a resonant accelerometer, an externally-applied acceleration can cause a change in the electrical spring constant ke of the electromechanical system.
04/10/14
20140100588
Wireless force sensor on a distal portion of a surgical instrument and method
A surgical instrument includes a distal portion. A force sensor is operatively mounted on the distal portion.
04/10/14
20140100438
Object information acquiring apparatus and control method for same
An object information acquiring apparatus, including: a probe converting an acoustic wave generated from an object irradiated with light into a detection signal; and a signal processing unit generating information about the object from the detection signal, wherein the signal processing unit: extracts a sampling signal on the basis of conditions relating to the signal shape; generates a reference signal from the sampling signal; detects a phase-inverted signal, which is a portion of the detection signal where the phase is inverted with respect to the reference signal, by carrying out a correlation calculation; generates a signal after suppression by suppressing the intensity of the phase-inverted signal from the detection signal; and generates information about the interior of the object using the signal after suppression.. .
04/10/14
20140098835
Temperature information assembly for a cooking hob
The present invention relates to a temperature information assembly for a cooking hob (18). The temperature information assembly comprises at least one saw (surface acoustic wave) temperature sensor (10) permanently or removably attached or attachable at or in a cooking pot (24), at least one sensor antenna (12) permanently or removably attached or attachable at the cooking pot (24) and electrically connected to the saw temperature sensor (10), at least one reader (14) permanently or removably attached or attachable in or on the cooking hob (18), and at least one reader antenna (16) permanently or removably attached or attachable in or on the cooking hob (18) and electrically connected to the reader (14).
04/10/14
20140098630
Acoustic wave measuring apparatus
An acoustic wave measuring apparatus includes: a probe having a plurality of transducers that are capable of converting an acoustic wave into an electric signal and vice versa; a transmitting and receiving unit that includes a plurality of channels connected to the probe, generates an acoustic wave from the probe, and obtains a reception signal of the probe; a plurality of switches that switch connections between the transducers and the channels; and an image generating unit that generates an image from the reception signal. The transducers include a central element row and an end portion element row, and the plurality of channels are respectively connected to the transducers on the central element row and the transducers on the end portion element row alternately via the switches..
04/10/14
20140098408
All-optical nand/not/and/or logic gates based on combined brillouin gain and loss in an optical fiber
A combined brillouin gain and loss process has been created in a polarization maintaining optical fiber to realize all-optical nand/not/and/or logic gates in the frequency domain. A model describing the interaction of a stokes, anti-stokes and continuous wave, and two acoustic waves inside a fiber, ranging in length from 350 m-2300 m, was used to theoretically model the gates.
04/10/14
20140097914
Bulk acoustic wave resonator with means for suppression of pass-band ripple in bulk acoustic wave filters
A bulk acoustic wave resonator comprising a substrate, a bragg reflector, a top and a bottom electrode and a piezoelectric layer with means for suppression of the pass-band ripples in a bulk acoustic wave filter. The means for absorbing or scattering the spurious modes are a roughened rear side of the substrate, an absorbing layer disposed on the rear side of the substrate and/or an absorbing layer disposed on the front side of the substrate..
04/03/14
20140093114
Acoustic waveguide and computing devices using same
Computing devices and microphone assemblies including acoustic waveguides are described. According to some examples, a computing device may include an enclosure, a microphone which may be spaced apart and angled relative to the interior surface of the enclosure to which the microphone may be coupled.
04/03/14
20140091407
Integrated semiconductor devices with amorphous silicon beam, methods of manufacture and design structure
Bulk acoustic wave filters and/or bulk acoustic resonators integrated with cmos processes, methods of manufacture and design structures are disclosed. The method includes forming at least one beam comprising amorphous silicon material and providing an insulator material over and adjacent to the amorphous silicon beam.
04/03/14
20140090424
Methods and systems for destabilizing foam in equipment downstream of a submerged combustion melter
Methods and systems for de-stabilizing foam produced in submerged combustion melters. A molten mass of glass and bubbles is flowed into an apparatus downstream of a submerged combustion melter.
03/27/14
20140088975
Method for controlling a computing device over existing broadcast media acoustic channels
The present invention provides a method for broadcasting a control message across an existing broadcast transport medium such as tv, radio, webcasts, smart phones/tablets, audio buttons/toys and pa/audio systems via a common acoustic channel with normal traditional broadcasts over those mediums to control computing devices, especially smart mobile devices such as smart phones or tablets. The present invention also involves a method for encoding the control message onto an acoustic wave composed of active sinusoidal frequency components selected out of monitored possible frequencies according to the concept of mathematical combinations.
03/27/14
20140088958
System and method for speech synthesis
The present invention is a method and system to convert speech signal into a parametric representation in terms of timbre vectors, and to recover the speech signal thereof. The speech signal is first segmented into non-overlapping frames using the glottal closure instant information, each frame is converted into an amplitude spectrum using a fourier analyzer, and then using laguerre functions to generate a set of coefficients which constitute a timbre vector.
03/27/14
20140087451
Acoustic wave (aw) sensing devices using live cells
In one embodiment according to the invention, there is provided a method of sensing a response of a living cell or virus to a change in conditions. The method comprises applying an essentially constant external electromotive force that causes oscillation of an acoustic wave device at essentially constant amplitude and frequency under steady state conditions.
03/27/14
20140086016
Acoustic wave acquisition apparatus
The acoustic wave acquisition apparatus of the present invention includes a light source that generates light and a detector including a plurality of elements that receive an acoustic wave generated from inside a subject when the subject is irradiated with the light. The acoustic wave acquisition apparatus further includes a rotation driving unit that rotates the detector and a plurality of light irradiation portions that irradiate the subject with the light from the light source.
03/27/14
20140083194
Device and method for determining properties of a medium
The invention relates to a device for determining properties of a medium, having a carrier (2) which can be brought into contact with the medium (3); at least one transmitter (4), arranged on the carrier (2), for exciting acoustic waves (a) in the carrier (2); at least one receiver (5), arranged on the carrier (2), for receiving acoustic waves (a, a′) which originate from waves (a) excited in the carrier (2) by means of the transmitter (4); a first material region (61) arranged on the carrier (4); and a second material region (62) arranged on the carrier (4), wherein the name of the second material region (62) is such that it absorbs sound waves at the frequency of the acoustic waves (a) excited in the carrier (2) more strongly than the first material region (61). The invention also relates to a method for producing such a device..
03/27/14
20140083174
Sample nebulization
A device for generating a nebulized sample for detection of an analyte. The device includes a surface acoustic wave (saw) transducer and a superstrate.
03/20/14
20140079261
Hearing assistance apparatus
A hearing assistance device includes two transducers which react to a characteristic of an acoustic wave to capture data representative of the characteristic. The device is arranged so that each transducers is located adjacent a respective ear of a person wearing the device.
03/20/14
20140078863
Assaying gold with a microwave pulse
A system for assaying gold in a rock formation includes a transmitter and an acoustic sensor. The transmitter is configured to transmit a microwave pulse into the rock formation.
03/20/14
20140076055
Acoustic wave receiving apparatus
Use of an acoustic wave receiving apparatus which includes: a resonator including a first mirror on which measurement light is incident, a second mirror which is arranged to face the first mirror and on which acoustic waves from an object are incident, an acoustic wave reception layer interposed between the first mirror and the second mirror, and a compensation layer; and a detector for detecting a variation in an optical path length between the first mirror and the second mirror that occurs in response to deformation of the acoustic wave reception layer caused by incidence of the acoustic waves, wherein the variation in the optical path length due to a film thickness distribution of the acoustic wave reception layer is compensated by refraction in the compensation layer.. .
03/13/14
20140070942
Pass-tracker: apparatus and method for identifying and locating distressed firefighters
According to one aspect of the invention, the pass-tracker is a hand-held device that improves the ability of a rescuer to quickly locate a distressed firefighter by two processes: (1) detecting and recognizing the acoustic alarm sound from a pass device in alarm mode, and (2) providing an indication to rescue personnel of the shortest path to the victim. The invention does not require a pre-installed infrastructure in a particular building; rather the device can be used in an ad hoc fashion at any fire scene.
03/13/14
20140070033
Method of breaking down biological material
In various embodiments, a method of breaking down biological material is provided. The method may include providing a sample comprising the biological material in a liquid.
03/06/14
20140066760
Method of characterizing tissue of a patient
A method for characterizing tissue of a patient, including receiving acoustic data derived from the interaction between the tissue and the acoustic waves irradiating the tissue; generating a morphology rendering of the tissue from the acoustic data, in which the rendering represents at least one biomechanical property of the tissue; determining a prognostic parameter for a region of interest in the rendering, in which the prognostic parameter incorporates the biomechanical property; and analyzing the prognostic parameter to characterize the region of interest. In some embodiment, the method further includes introducing a contrast agent into the tissue; generating a set of enhanced morphology renderings of the tissue after introducing the contrast agent; determining an enhanced prognostic parameter from the enhanced morphology renderings; and analyzing the enhanced prognostic parameter..
03/06/14
20140066744
Object information acquiring apparatus
An object information acquiring apparatus according to the present invention has: a light source emitting light; a holding member holding an object; a probe receiving an acoustic wave, generated by the object when the light is irradiated on the object via the holding member, and outputting a received signal; and a signal processor acquiring information extracted from the object by using the received signal, wherein a region of the holding member that comes into contact with the object is configured as a non-uniform region that is a region where a normal direction of a tangential plane between the holding member and the object is not constant.. .
03/06/14
20140066743
Object information acquiring apparatus
An object information acquiring apparatus is used which includes a first light source outputting irradiation light delivered to an object, an output unit to which the irradiation light is guided and which includes an opening smaller than a wavelength of the irradiation light, a probe detecting an acoustic wave generated when the object absorbs near-field light output by the output unit, and a signal processing unit acquiring information on an interior of the object from the acoustic wave detected by the probe.. .
03/06/14
20140064515
Display with wave generators
In one embodiment, a kit for making a display includes a first medium, a support element, and first and second wave generators. The first medium is foldable according to scoring to form a display with a cavity.
03/06/14
20140064036
Acoustic wave generator employing fluid injector
To reproduce sound in an extremely compact size, fluid injectors are used that can generate fluid flow sufficient to create a desired acoustic pressure wave, but which fluid flow operates in a manner that is decoupled from the desired acoustic pressure wave. Fluid flow within the fluid injectors needed to generate the desired acoustic pressure wave need not be directly proportional to the frequencies of the desired acoustic pressure wave.
03/06/14
20140064030
Object information acquiring apparatus
An object information acquiring apparatus is used that includes: a light source; a bundle fiber including a plurality of optical fibers; and a processor using an acoustic wave that is generated when light is irradiated on an irradiated surface of an object from an outputting unit of the bundle fiber, and acquiring information from the object, wherein outputting edges of a plurality of sub-bundles, each sub-bundle including a plurality of optical fibers, are arranged in the outputting unit of the bundle fiber, the plurality of sub-bundles include a first sub-bundle arranged in a central part of the outputting unit and a second sub-bundle arranged in a peripheral part of the outputting unit, and the number of optical fibers per unit area of the first sub-bundle is smaller than the number of optical fibers per unit area of the second sub-bundle.. .
03/06/14
20140062614
Apparatus and method for selecting frequency band
A switching circuit is provided. The switching circuit includes at least one surface acoustic wave (saw) filter, a single-pole n throw (spnt) switch connected to an input port of each of the at least one saw filter, and a dual-pole n throw (dpnt) switch connected to an output port of each of the at least one saw filter..
03/06/14
20140060814
Pulse fracturing device and method
A method of inducing fracture in at least a portion of a geologic structure includes inducing acoustic waves into a fluid medium present in a borehole extending at least partially into the structure. Embodiments may include preheating or pressurizing the fluid medium prior to inducing the acoustic wave therein.
02/27/14
20140058262
Object information acquiring apparatus, information processing apparatus and object information acquiring method
An object information acquiring apparatus is provided that includes: a plurality of receiving elements which receive an acoustic wave that propagates from an object, and which convert the acoustic wave to a reception signal; an adaptive beamformer that performs adaptive beamforming of adjusting reception directionality in accordance with the reception signal in use of the reception signal; a delay-and-sum beamformer that performs delay-and-sum beamforming having preset directionality in use of the reception signal; an amplitude modulator that uses one output signal of one of the adaptive beamformer and the delay-and-sum beamformer, to perform amplitude modulation on an output signal of the other one of the beamformers; and a generator that, on the basis of a signal outputted by the amplitude modulator, generates image data on the interior of the object.. .
02/27/14
20140058245
Measuring apparatus
A measuring apparatus is provided including a holding unit holding an object, an acoustic detecting unit including at least one detector which receives, via the holding unit, an acoustic wave generated from the object to which light is irradiated and converts the acoustic wave into an electrical signal, and a processor which generates image data of the object by using the electrical signal based on the acoustic wave received by the acoustic detecting unit at first and second measurement locations, wherein the acoustic detecting unit is arranged so as to form an overlapped area that is thicker than the object in a normal direction of an interface between the holding unit and the object as a result of the effective receiving areas of the detector in the first and second measurement locations overlapping in the object.. .
02/27/14
20140056111
Acoustic detector
An acoustic detector includes a cylindrical support member and a plurality of receiver elements that are disposed on a surface of the cylindrical support member. The plurality of receiver elements are configured to detect acoustic waves in a plurality of azimuthal angular directions..
02/27/14
20140056110
Acoustic source for generating an acoustic beam
An acoustic source for generating an acoustic beam includes a housing; a plurality of spaced apart piezo-electric layers disposed within the housing; and a non-linear medium filling between the plurality of layers. Each of the plurality of piezoelectric layers is configured to generate an acoustic wave.
02/27/14
20140056105
Object information acquiring apparatus and object information acquiring method
The present invention employs an object information acquiring apparatus comprising a plurality of conversion elements which receive acoustic waves emitted from an object and convert the acoustic waves into electrical signals, a correlation calculator which calculates correlation data by using the plurality of electrical signals output from the plurality of conversion elements, an average correlation calculator which calculates an average correlation matrix by extracting a plurality of submatrices from the correlation data and averaging the submatrices, and an adaptive signal processor which generates power distribution by performing adaptive signal processing by using the average correlation matrix and calculating the power of each target position, wherein the correlation calculator calculates the correlation data by obtaining the correlation of input signals that are separated by at least one input signal among the input signals.. .
02/27/14
20140056101
System and method for sonic wave measurements using an acoustic beam source
A method and system for investigating structure near a borehole are described herein. The method includes generating an acoustic beam by an acoustic source; directing at one or more azimuthal angles the acoustic beam towards a selected location in a vicinity of a borehole; receiving at one or more receivers an acoustic signal, the acoustic signal originating from a reflection or a refraction of the acoustic wave by a material at the selected location; and analyzing the received acoustic signal to characterize features of the material around the borehole..
02/27/14
20140055207
Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
A surface acoustic wave resonator includes a quartz crystal substrate with preselected euler angles, and an idt that is provided on the quartz crystal substrate, that includes a plurality of electrode fingers, and that excites a stop band upper end mode surface acoustic wave. Inter-electrode finger grooves are provided in the quartz crystal substrate between the electrode fingers in a plan view.
02/20/14
20140052376
Method for cement evaluation with acoustic and nuclear density logs
Method for evaluating cement quality in a cased well. A density log of the well is obtained using, for example, a gammaray sources and detectors (51).
02/20/14
20140051970
Object information acquiring apparatus
The present invention employs an object information acquiring apparatus comprising a probe including a plurality of conversion elements which receive acoustic waves emitted from an object and convert the acoustic waves into received signals, a delay unit which matches phases of the plurality of received signals output from the plurality of conversion elements, a signal adder which adds the plurality of received signals output from the delay unit, for each group to obtain latter input signals, and an adaptive signal processor which generates internal image data of the object by performing adaptive signal processing on the plurality of latter input signals output from a plurality of the signal adders.. .
02/20/14
20140051969
Object information acquiring apparatus and method of controlling the same
An object information acquiring apparatus includes a light irradiating unit that radiates light to an object to generate a photoacoustic wave, a transducer that receives the photoacoustic wave, outputs a photoacoustic signal, transmits and receives an ultrasound wave beam to and from the object, and outputs an ultrasound echo signal, a determining unit that determines whether there is an object on an optical path from the light irradiating unit, and an image processor that generates internal image data of the object using the photoacoustic signal.. .
02/20/14
20140050489
Optical microphone
An optical microphone for detecting an acoustic wave propagating through an environmental fluid by using a light wave, includes: an acoustic wave receiving section having a propagation medium portion through which an acoustic wave propagate and a first support portion for supporting the propagation medium portion; a light source for outputting a light wave so that the light wave passes through the propagation medium portion across the acoustic wave propagating through the propagation medium portion; a light-blocking portion having an edge line for splitting the light wave having passed through the propagation medium portion into a blocked portion and a non-blocked portion; and a photoelectric conversion section for receiving a portion of the light wave having passed through the propagation medium portion which has not been blocked by the light-blocking portion to output an electric signal.. .
02/20/14
20140050049
Methods and systems for deghosting marine seismic data
A method is provided for deghosting marine seismic data. Marine seismic data is provided.
02/20/14
20140049340
Acoustic wave filter, duplexer, and module
An acoustic wave filter includes: at least a parallel resonator, wherein at least one of the parallel resonator includes a piezoelectric substance, an idt located on the piezoelectric substance, and reflectors located on the piezoelectric substance so as to sandwich the idt, and a distance between a first electrode finger that is an electrode finger closest to the reflector among electrode fingers of the idt and a second electrode finger that is an electrode finger closest to the idt among electrode fingers of the reflector is less than 0.25(λidt+λref) where a period of the electrode fingers of the idt is λidt and a period of the electrode fingers of the reflector is λref.. .
02/13/14
20140046199
Method for measuring human vital signs and portable terminal adopting the same
A method for measuring human vital signs and a portable terminal adopting the same provides accurate measurements without increasing the thickness of power usage of the portable terminal. The portable terminal includes: a surface acoustic wave (saw) sensor module disposed on a predetermined position of a portable terminal main body to detect characteristic parameter of human body; a signal transceiving module used to perform communication with the saw sensor module, to receive an echo signal of the saw sensor module; and a data processing module used to process the echo signal from the saw sensor module to obtain the human vital signs.
02/13/14
20140046166
Object information acquiring apparatus, control method thereof, and method for determination of contact
The present invention employs an object information acquiring apparatus having: a photoacoustic probe unit including a light irradiating unit which irradiates light, and a probe which receives a photoacoustic wave generated from an object irradiated with light while transmitting an ultrasound wave to the object and receiving a reflected wave thereof; a processor configured to create image information of the object based on the photoacoustic wave; and a controller configured to control irradiation with light, wherein when a first contact condition is defined as a condition in which the object is irradiated with light while the probe is acoustically matched with the object, the controller determines whether or not the photoacoustic probe unit is in the first contact condition by using the reflected wave and enables irradiation with light when the photoacoustic probe unit is in the first contact condition.. .
02/13/14
20140044208
Beamforming devices and methods
Devices and methods are provided for directionally receiving and/or transmitting acoustic waves and/or radio waves for use in applications such as wireless communications systems and/or radar. High directional gain and spatial selectivity are achieved while employing an array of receiving antennas that is small as measured in units of the wavelength of radio waves being received or transmitted, especially in the case of spatially oversampled arrays.
02/13/14
20140043946
Surface acoustic wave tag-based coherence multiplexing
A surface acoustic wave (saw)-based coherence multiplexing system includes saw tags each including a saw transducer, a first saw reflector positioned a first distance from the saw transducer and a second saw reflector positioned a second distance from the saw transducer. A transceiver including a wireless transmitter has a signal source providing a source signal and circuitry for transmitting interrogation pulses including a first and a second interrogation pulse toward the saw tags, and a wireless receiver for receiving and processing response signals from the saw tags.
02/13/14
20140043941
Object information acquiring apparatus
The present invention employs an object information acquiring apparatus comprising a plurality of receiving elements which receive acoustic waves emitted from an object and convert the acoustic waves into received signals, a delay unit which matches phases of the received signals, a complex converter which converts the received signals into complex signals, a complex covariance matrix calculator which periodically obtains a complex covariance matrix by using a complex signal group configured from a plurality of phase-matched complex signals, an eliminator which eliminates the number of bits of input data configured from at least either the complex signal group or matrix elements, and an electric power calculator which calculates a power of target positions, wherein the eliminator eliminates the number of bits by performing common level conversion processing on all input data relating to one complex covariance matrix.. .
02/13/14
20140043937
Adaptive sweep method and device for seismic exploration
Controller and method for adapting a frequency sweep for a vibro-acoustic source element that is configured to generate acoustic waves during a seismic survey. The method includes driving a seismic source element to generate a current frequency sweep; recording seismic data with plural seismic sensors in response to the current frequency sweep; selecting, during the seismic survey, a data subset of the seismic data, wherein the data subset has a size less than 10% of the seismic data; calculating with a processing device an attribute based on the data subset; and calculating a new frequency sweep based on the attribute..
02/13/14
20140042870
Electronic component and acoustic wave device
An electronic component has a mounting board, a bump located on a mounting surface of the mounting board, a saw device located on the bump and connected to the bump. The saw device has an element substrate, an excitation electrode located on the first primary surface of the element substrate, a pad located on the first primary surface and connected to the excitation electrode, and a cover located above the excitation electrode and formed with a pad exposure portion on the pad.
02/06/14
20140037128
Device for emitting an acoustic wave
A device for emitting an acoustic wave includes a flared structural piece bearing at its base an electromechanical transducer and defining at its flared end an output surface. A mechano-acoustic coupler made of one piece is a solid piece and exhibits: a first portion for mounting on the transducer, a second portion extending from the first portion up to the level of the output surface, the coupler being suspended on the structural piece at the level of the second portion and the second portion having a cross-sectional area at the level of the output surface which is strictly greater than its cross-sectional area at the level of the first portion, and a third portion extending from the second portion, where the third portion has a cross-sectional area which is smaller than the output surface, the third portion including a cross-section of greater area than the output surface..
02/06/14
20140036636
Object information acquiring apparatus and object information acquiring method
Employed is an object information acquiring apparatus including an irradiation unit irradiating an object with light; a detection unit including a plurality of elements each obtaining an acoustic wave generated from the object and converting the acoustic wave into a detection signal; a detection unit moving mechanism moving the detection unit to the object relatively; an adding unit selecting, from detection signals converted from acoustic waves obtained by the plurality of elements at respective positions as the detection unit is moved, detection signals converted from acoustic waves obtained from an identical position on the object, and adding together these detection signals to output a resultant summed signal; an initial sound pressure computing unit computing an initial sound pressure of a region of interest from the summed signal; a light quantity computing unit computing a quantity of light of the region of interest.. .
02/06/14
20140035436
Component operating with acoustic waves and method for producing same
The invention concerns a component (b) operating with acoustic waves, in which the reflection and excitation are largely decoupled. For this purpose, a component comprises a dielectric (dl) which is arranged between an electrode finger (ef) and a piezoelectric substrate (psu) and at least partially overlaps the electrode finger..
02/06/14
20140033821
Noninvasive measuring device and noninvasive measuring method for probing an interface
The present disclosure provides solutions to probing an interface. With a noninvasive measuring device provided in one embodiment of the disclosure, an acoustic wave whose frequency is higher than approximately 300 ghz is generated to propagate in a buffering film.
02/06/14
20140033808
High-efficiency separation and manipulation of particles and cells in microfluidic device using surface acoustic waves at an oblique angle
An apparatus for manipulating particles within a fluid sample includes a substrate having a substrate surface. A surface acoustic wave (saw) generator generates a saw within a saw region of the substrate surface.
01/30/14
20140030442
Manufacturing method for boundary acoustic wave device and boundary acoustic wave device
A manufacturing method for a boundary acoustic wave device is capable of certainly providing the boundary acoustic wave device with desired target frequency characteristics. The manufacturing method for the boundary acoustic wave device includes a process for preparing a laminated body that includes a first medium, a second medium laminated on the first medium, and an idt electrode that is disposed at an interface between the first and second media, and a process for implanting ions from an outer portion of the second medium and adjusting a frequency..
01/30/14
20140029081
Methods and apparatus to control acousto-optic deflectors
The invention is directed to an acousto-optic lens (aol) and corresponding method. The aol of the invention comprises a first and second acousto-optic deflector, each being arranged to support a respective acoustic wave.
01/30/14
20140028414
Surface acoustic wave filter
A surface acoustic wave filter includes a θ-rotated y-cut x-propagation lithium niobate substrate. The cut angle ranges from 20° to 40°.
01/23/14
20140024918
Photoacoustic imaging method and photoacoustic imaging apparatus
A photoacoustic imaging method that enables photoacoustic images to be displayed at high speed is provided. The photoacoustic imaging method scans a subject with a light beam, detects acoustic waves generated within the subject due to the scanning of light to obtain acoustic wave detected signals, and generates volume data that represent three dimensional photoacoustic images of the subject based on the acoustic wave detected signals.
01/23/14
20140020822
Method of fabricating acoustic wave device
A method of fabricating an acoustic wave device includes: bonding a support substrate to a piezoelectric substrate on which an idt is to be formed; forming a modified region in the support substrate by irradiation of a laser beam; and cutting the support substrate and the piezoelectric substrate in the modified region, wherein a distance from a boundary face between the support substrate and the piezoelectric substrate to an edge portion of the modified region at the boundary face side is greater than or equal to 20 μm and less than 69 μm.. .
01/16/14
20140018661
Photoacoustic image generating apparatus and photoacoustic image generating method
Light is prevented from being irradiated onto positions different from portions at which photoacoustic images are to be generated. Acoustic waves are transmitted from a probe, and the probe detects reflected acoustic signals of the transmitted ultrasonic waves.
01/16/14
20140018660
Photoacoustic imaging apparatus, photoacoustic imaging method, and probe for photoacoustic imaging apparatus
Acoustic waves and photoacoustic waves are detected efficiently in a photoacoustic imaging apparatus configured to obtain acoustic images as well, to enable obtainment of high quality acoustic images and photoacoustic images. A probe for a photoacoustic imaging apparatus is equipped with: first piezoelectric bodies that detect acoustic waves reflected by a subject after the acoustic waves are irradiated onto the subject; and second piezoelectric bodies that detect photoacoustic waves generated within the subject due to irradiation of light after the light is irradiated onto the subject.
01/16/14
20140018659
Object information acquiring apparatus and object information acquiring method
An object information acquiring apparatus, comprising: a plurality of detecting elements which detect an acoustic wave generated from an object irradiated with light and convert the acoustic wave into detection signals; a signal determining unit which determines a detection signal detected by a detecting element which is not in acoustic contact with the object, of the plurality of detecting elements; a signal acquisition unit which generates a corrected detection signal by deleting at least a region which is not based on an acoustic wave generated from the interior of the object, from the determined detection signal; and an image processor which forms image data of the object from a detection signal detected by a detecting element which is in acoustic contact with the object and from the corrected detection signal.. .
01/16/14
20140018645
Photoacoustic apparatus and control method thereof
A used photoacoustic apparatus includes: a light source capable of individually emitting light having a first wavelength at which absorption coefficients of oxyhemoglobin and deoxyhemoglobin are equal and light having a second wavelength; an acoustic detector that receives acoustic waves generated when the light having the first and second wavelengths is absorbed by an object; an absorption coefficient distribution generator that determines absorption coefficient distributions of an object interior; a blood vessel position determining unit that determines a blood vessel position from an absorption coefficient distribution corresponding to the first wavelength; an organism characteristics distribution calculator that determines an organism characteristics distribution from the absorption coefficient distributions; and a trimming unit that trims the organism characteristics distribution in accordance with the blood vessel position.. .


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Acoustic Wave topics: Acoustic Wave, Piezoelectric, Transducer, Wave Device, Electrical Signal, Extensional, Magnetic Field, Extensions

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