This page is updated frequently with new Transducer-related patent applications.
|Determining and using room-optimized transfer functions|
A device for determining room-optimized transfer functions for a listening room serving for room-optimized post-processing of audio signals in spatial production, is configured to analyze room acoustics of the listening room and to determine, based on the analysis of the room acoustics, the room-optimized transfer functions for the listening room where the spatial reproduction by means of a binaural close-range sound transducer is to take place. The spatial reproduction of the audio signals by means of the binaural close-range sound transducer may then be emulated using known head-related transfer functions und using the room-optimized transfer functions, wherein a room to be synthesized may be emulated based on the head-related transfer functions, and wherein the listening room may be emulated based on the room-optimized transfer functions..
Technische Universitaet Ilmenau
A hearing device comprising a first and a second input sound transducers, a processing unit, and an output sound transducer. The first transducer is configured to be arranged in an ear canal or in the ear of the user, to receive acoustical sound signals from the environment and to generate first electrical acoustic signals from the received acoustical sound signals.
|Hearing device comprising an improved feedback cancellation system|
A hearing device, e.g. A hearing aid, comprises a forward path comprising an input transducer providing an electric input signal, a combination unit, a signal processing unit configured to apply a forward gain to signal of the forward path and to provide a processed electric output signal, a frequency shifting unit for de-correlating the processed electric output signal and the electric input signal, and an output transducer.
|Hearing assistance device comprising an input transducer system|
The application relates to a hearing assistance device (had) comprising (a) an input transducer system comprising (a1) an audio input transducer (ait), and (a2) a first supplementary input transducer (sit1), (b) an output transducer (ot) for converting a processed output signal to a stimulus perceivable by said user as sound, and (c) a signal processing unit (spu) operationally connected to said audio input transducer (ait), to said first supplementary input transducer (sit1), and to said output transducer (ot), said signal processing unit (spu) being configured for processing said electric audio input signal, and said first supplementary electric input signal, and for providing said processed output signal. The audio input transducer (ait) is adapted for being located in an ear of the user.
|Fabricating an integrated loudspeaker piston and suspension|
A diaphragm and suspension for an electroacoustic transducer are formed by depositing a layer of compliant material on a first surface of a solid substrate and removing material from a second surface of the solid substrate. The removal leaves a block of substrate material suspended within an inner perimeter of an outer support ring of the substrate material by the compliant material, the block providing the diaphragm..
A diaphragm for a loudspeaker may include a continuous primary diaphragm having an upper surface and a lower surface, where the primary diaphragm comprises a ring-shaped, flat region having an inner diameter and an outer diameter. The diaphragm may also include a reinforcing ring attached to the upper surface of the primary diaphragm, where the reinforcing ring has an inside diameter and an outside diameter, and where the reinforcing ring is attached to the upper surface of the primary diaphragm such that the inside diameter of the reinforcing ring coincides with the inner diameter of the flat region..
|Hinge systems for audio transducers and audio transducers or devices incorporating the same|
The invention relates to audio transducers, such as loudspeaker, microphones and the like, and includes improvements in or relating to hinge systems for rotational action audio transducers. The hinge systems of the invention being configured to operatively support a diaphragm in use, and comprising a hinge assembly having one or more hinge joints, wherein each hinge joint comprises a hinge element and a contact member.
Grail Acoustics Limited
|Playback based on received sound waves|
Apparatus and methods are disclosed for acoustic optimization. An example playback device includes a first transducer to at least one of output sound waves and receive sound waves, a second transducer to at least one of output sound waves and receive sound waves, and an acoustic grille positioned in relation to the first transducer, where the acoustic grille is to reflect sound waves received at a first angle of incidence..
|Inversion speaker and headphone for music production|
A sound reproduction device includes a transducer adapted to generate an audible sound in response to an input signal over a spectrum of frequencies and a frequency response that substantially mirrors an inverted equal-loudness contour over the spectrum of frequencies.. .
|Method for removing electric crosstalk|
A method of removing an electric crosstalk contribution is disclosed. This crosstalk exists in a monitoring signal from a monitored electro-mechanical transducer in a device comprising a plurality of electro-mechanical transducers which are driven by actuation signals so as to produce acoustic waves in an acoustic frequency range.
System and securing headphone transducers
A system for securing headphone transducers is provided. In one aspect of the present invention, the system comprises a first transducer device having a first mechanical housing, which has an outer surface and an inner surface.
Kaddan Entertainment, Inc.
Nonlinear acoustic echo cancellation based on transducer impedance
An acoustic echo cancellation (aec) system within an audio playback system of an electronic device, such as a mobile phone, may calculate an estimation of an acoustic echo based on parameters describing the transducer reproducing the audio playback signals. Those parameters may include, for example, a resistance and/or inductance of the transducer and a current through and/or a voltage across the transducer.
Cirrus Logic International Semiconductor Ltd.
Surface acoustic wave filter devices
The present invention relates to a surface acoustic wave filter device with floating units. The surface acoustic wave filter device comprises a piezoelectric substrate, at least one interdigitated transducer configuration and at least one floating unit.
Airoha Technology Corp.
Drive signal generating apparatus
A drive signal generating apparatus includes a transducer configured to convert electromagnetic energy of a signal received through a first port into a different type of energy, convert the different type of energy into electromagnetic energy, and transfer the converted electromagnetic energy to a second port, and a switching circuit configured to perform a gate switching operation, upon receiving a signal from the second port, to generate a drive signal.. .
Samsung Electro-mechanics Co., Ltd.
Alignment of ultrasound transducer arrays and multiple aperture probe assembly
The effective aperture of an ultrasound imaging probe can be increased by including more than one transducer array and using the transducer elements of all of the arrays to render an image can greatly improve the lateral resolution of the generated image. In order to render an image, the relative positions of all of the elements must be known precisely.
Ultrasound probe and ultrasound imaging system
An ultrasound probe and an ultrasound imaging system include a 2d transducer array including a plurality of transducer elements organized to form a transmit aperture and a receive aperture, where the transmit aperture and the receive aperture do not overlap with each other. The probe and system include a plurality of distribution nodes and a plurality of sets of transmit switches.
General Electric Company
Triggered-event signaling with digital error reporting
An illustrative sensor controller embodiment includes: a transmitter that drives an ultrasonic transducer to produce a transmit pulse; a receiver that derives a sensor signal from the transducer; and a core logic that detects a trigger signal on an event signaling line and responsively provides one or more error reporting bits on the event signaling line before driving the event signaling line based on the sensor signal. An illustrative embodiment of a sensor control method includes: detecting a trigger signal on an event signaling line; providing at least one status bit on the event signaling line in response to the trigger signal; and after providing the at least one status bit, driving the event signaling line based upon on a sensor signal from a transducer.
Semiconductor Components Industries, Llc
Sensor and electric current measurement
A sensor of electric current including a fiber (1) from a soft magnetic material with a uniform cross-sectional area and uniform magnetic properties along its whole length, equipped with an excitation coil (2) wound on said fiber (1) with a uniform winding density along the substantially whole length and possibly equipped with a sensing coil (3) wound on said fiber (1) with uniform winding density along the substantially whole length, where said fiber (1) ends are mechanically joined to form a loop enclosing the measured current carrying conductor (4) by said fiber (1), wherein said excitation coil (2) is connected to the current output of a current source (5) through a current transducer (6) generating a current signal corresponding to the excitation current flowing through said excitation coil (2) wherein the sensor is equipped with a voltage transducer (7) generating a voltage signal corresponding to the voltage on the possibly present sensing coil (3) or on the excitation coil (2) wherein said voltage signal and said current signal are fed into a processor unit (8). The present disclosure also relates to a method for electric current measurement using said sensor..
Ultrasonic probe, ultrasonic imaging apparatus including the same, and controlling the ultrasonic imaging apparatus
An ultrasonic probe, an ultrasonic imaging apparatus including the same, and a method for controlling the same are disclosed, which relate to a method for changing a pulse signal received by an ultrasonic probe by controlling a switching element mounted to an ultrasonic probe during pulse inversion harmonic imaging. The ultrasonic probe includes: a transducer array configured to transmit and receive an ultrasonic signal; a printed circuit board (pcb) electrically connected to the transducer array so as to transmit a pulse signal received from a main body of an ultrasonic imaging apparatus to the transducer array; and a switching circuit configured to change a waveform of the pulse signal received by the pcb and transmitted to the transducer array..
Samsung Medison Co., Ltd.
Minimum redundancy spacing functions for surface acoustic wave (saw) sensor devices
A surface acoustic wave sensor system for determining environmental conditions on a substrate. The system comprises an interrogator for producing an rf interrogating signal transmitted by an antenna to an interdigital transducer mounted on the substrate for producing an incident surface acoustic wave responsive to the interrogating signal.
Apparatus and non-destructive testing of materials
A device for testing a test material for defects within the test material has an acoustic broadband transducer offset from the test material surface during testing by a distance so that the transducer acquires acoustic waves across an air gap from the test material, wherein the acoustic waves arise from impact of an impact member on the test material.. .
Self aligned and scalable nanogap post processing for dna sequencing
An apparatus including a circuit substrate including a contact in a metal layer; and a transducer including a first electrode deposited on and coupled to a sidewall of the contact and a second electrode coupled to a conductor through which voltage can be applied, wherein the second electrode includes a profile aligned to the sidewall of the contact and separated from the first electrode by a gap. A method including forming a transducer adjacent a contact in a metal layer on a substrate, the transducer including a first electrode disposed on a sidewall of the contact and a second electrode coupled to a conductor through which voltage can be applied, wherein the second electrode includes a profile aligned to the sidewall of the contact and separated from the first electrode by a gap..
Sensor having thermal gradients
This disclosure provides example methods, devices, and systems for a sensor having thermal gradients. In one embodiment, a system may comprise a sensor assembly including a housing; a first header and a second header coupled to the housing; a first transducer coupled to the first header, wherein the first transducer is configured to measure a first pressure to generate a first pressure signal; a second transducer coupled to the second header, wherein the second transducer is configured to measure a second pressure to generate a second pressure signal; and wherein the first transducer and the second transducer are positioned in the housing such that a first temperature of the first transducer is about equivalent to a second temperature of the second transducer during operation of the sensor assembly..
Kulite Semiconductor Products, Inc.
Pressure sensor, especially pressure difference sensor
The pressure sensor of the invention includes at least one platform, at least one measuring membrane 30, and a transducer, wherein the measuring membrane comprises a semiconductor material, wherein the measuring membrane, enclosing a pressure chamber, is secured on the platform, wherein the measuring membrane is contactable with at least one pressure and is elastically deformable in a pressure-dependent manner, wherein the transducer provides an electrical signal dependent on deformation of the measuring membrane, wherein the platform has a membrane bed, on which the measuring membrane lies in the case of overload, in order to support the measuring membrane, wherein the membrane bed 21 has a glass layer 20, whose surface faces the measuring membrane and forms a wall of the pressure chamber, wherein the surface of the glass layer has a contour, which is suitable for supporting the measuring membrane 30 in the case of overload, characterized in that the contour of the membrane bed 21 is obtainable by a sagging of an unsupported region of a glass plate at increased temperature, due to the force of gravity on the unsupported region of the glass plate, and subsequent cooling of the glass plate.. .
Endress+hauser Gmbh + Co. Kg
Transducer apparatus as well as measuring system formed therewith
A transducer apparatus comprises a transducer housing, a tube as well as a temperature sensor. The tube is arranged within a cavity of the transducer housing, in such a manner that an intermediate space is formed between a wall of the transducer housing facing the cavity inner surface and an outer surface of a wall of the tube facing the cavity.
Endress + Hauser Flowtec Ag
Transducer apparatus as well as measuring system formed therewith
transducer apparatus comprises a transducer housing, a tube, a temperature sensor as well as a temperature sensor. The tube is arranged within a cavity of the transducer housing, in such a manner that an intermediate space is formed between a wall of the transducer housing facing the cavity inner surface and an outer surface of a wall of the tube facing the cavity.
Endress + Hauser Flowtec Ag
Ultrasonic meter for measuring gas at smaller dimensions
A system includes a control system and a field device. The control system is configured to communicate data with the field device.
Honeywell International Inc.
Systems and methods for monitoring blowout preventer equipment
A system for a blowout preventer (bop) stack assembly includes one or more pairs of ultrasonic transducers coupled to a body that is configured to support a movable component of the bop stack assembly, wherein each pair of ultrasonic transducers comprises a first ultrasonic transducer disposed on a first side of the body and a second ultrasonic transducer disposed on a second side of the body, opposite the first side. The system also includes a controller configured to receive a first signal indicative of a position of the movable component from the one or more pairs of ultrasonic transducers, to determine the position of the movable component based on the first signal, and to provide a first output indicative of the position of the movable component..
Cameron International Corporation
Apparatus and controlling cooling fan of battery of vehicle
An apparatus and method for controlling a cooling fan of a battery of a vehicle are provided. The apparatus includes a motor controller that drives a cooling fan motor of the battery based on information regarding control conditions of the cooling fan motor, and requests a backup process of a control of the cooling fan motor when an error in can communication by a can communicator or an error of the vehicle occurs.
Hyundai Motor Company
Responsive construction toy
A responsive construction toy is disclosed. The responsive construction toy, also known as lumenlinks™, comprises at least one active rod and at least one connector.
University Of Rochester
Driving device and controlling the same
A driving device includes an output voltage decomposing unit which decomposes an output voltage applied to an ultrasonic transducer into a basic and harmonic components; an output current decomposing unit which decomposes an output current flowing through the ultrasonic transducer into a basic and harmonic components; a capacitor current calculator which calculates a basic and harmonic components of a capacitor current, based on the basic and harmonic components of the output voltage; a driving current calculator which calculates a basic and harmonic components of a driving current based on the basic and harmonic components of the output current and the capacitor current, a driving current summing unit which sums up the basic and harmonic components of the driving current, and a constant current controller which generates constant current control data.. .
Pulse amplifier for driving ultrasound transducers
Embodiments of the invention include improved radiofrequency (rf) pulse amplifier systems that incorporate an energy array comprising multiple capacitors connected in parallel. The energy array extends the maximum length of pulses and the maximum achievable peak power output of the amplifier when compared to similar systems.
The Regents Of The University Of Michigan
Device for the ultrasound treatment of open wounds
An ultrasound-assisted wound cleanser in the form of a handheld device includes an integrated vibration motor, an integrated ultrasound generator, an integrated energy source for the vibration motor and the ultrasound generator, and a replaceable cleansing attachment which can be driven by the vibration motor for abrasively removing wound coatings. The cleansing attachment has an acoustic transducer which is designed to convert the electric oscillations generated by the ultrasound generator into sound waves, a device for reinforcing and/or distributing and/or transferring the ultrasound waves, and bristles and/or lamellas for the abrasive removal.
High pressure sensor for use with a fluid delivery system
A pressure sensor for use with a fluid delivery system having good sensitivity at low pressure, but also configured to remain in operating condition after being exposed to high pressures is disclosed herein. In one variation, the pressure sensor includes a fluid path set, a deformable element associated with the fluid path set and configured to deform in response to an external pressure, and a pressure transducer for monitoring deformation of the deformable element.
Bayer Healthcare Llc
Electronic catheter stethoscope
An electronic catheter stethoscope measures and analyzes acoustic fields and dynamic pressure variations in the gaseous or liquid fluid inside a conventional medical catheter that is positioned in a patient's urologic, digestive, reproductive, cardiovascular, neurological or pulmonary system. Measurement transducers are installed in a housing connectable to multiple preselected medical catheters.
The Charles Stark Draper Laboratory, Inc.
Auscultation data acquisition, communication and evaluation system incorporating mobile facilities
A system having a chest piece for fitting to human skin, a receiver unit and a distant server; said chest piece encapsulates a sound transducer for acquiring raw sound data for being communicated as data signal; said receiver, in operation, is in communication with said chest piece; said receiver is a portable device having a display unit and data processing ability, and is further connectable to a local data network or global internet; said distant server comprises computer coded instructions which, in operation, processes said data signals, stores medical information and communicates said data signals and/or medical information with at least two recipients, the recipients are able to communicate information.. .
Electrosalus Biyomedikal San. Ve Tic. A.s.
Ultrasound assisted immersion cooling
Apparatuses, methods and storage media associated with cooling one or more heat-generating components of an electronic device are disclosed herein. In embodiments, an electronic device may include a tank that may include a dielectric fluid and one or more heat-generating components.
Wireless sensor module
A wireless sensor module can include a primary body, a primary processor, a first plurality of sockets, a secondary body, a secondary processor, a first transducer, and a wireless transceiver. The primary processor and the sockets can be mounted to the primary body.
Method and processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field
Spherical microphone arrays capture a three-dimensional sound field (p(Ωc, t)) for generating an ambisonics representation (anm(t)), where the pressure distribution on the surface of the sphere is sampled by the capsules of the array. The impact of the microphones on the captured sound field is removed using the inverse microphone transfer function.
Dolby Laboratories Licensing Corporation
Aural measurements from earphone output speakers
According to some embodiments of the present invention there is provided a method of using an earphone output speaker as a microphone for a phone call between two and/or more participants, or for measuring biometric data of a user. The method may comprise playing a received signal to an electro-acoustic output transducer of an earphone.
Implantable middle ear transducer having improved frequency response
Apparatus, systems, and methods having or using an improved implantable middle ear transducer for driving an ossicular chain bone to assist in aiding hearing. One embodiment of the present invention is a transducer assembly for converting electrical signals to mechanical vibrations which can be coupled, for example, to the stapes to provide audible frequency vibrations to the cochlea.
Envoy Medical Corporation
Hearing device comprising a feedback cancellation system based on signal energy relocation
A hearing device, e.g. A hearing aid, is provided, comprising a forward path comprising an input transducer for providing an electric input signal, a signal processing unit configured to apply a requested forward gain to the electric input signal, and an output transducer.
Microphone and producing a microphone
A microphone and a method for producing a microphone are disclosed. The microphone includes a substrate, a spring element plastically elongated in a direction perpendicular to the substrate, a transducer element in electrical contact with the substrate by way of the spring element and a cover to which the transducer element is fastened, the cover is arranged in such a way that the transducer element is arranged between the cover and the substrate..
Electronic device including acoustically isolated serpentine port and related methods
An electronic device may include a housing having an audio output port therein, a display carried by the housing, and a baffle enclosure carried within the housing. The electronic device may also include an audio output transducer carried by the baffle enclosure and acoustically coupled to the audio output port, and internal partitions carried by the baffle enclosure to define a serpentine tuning port therein acoustically coupled between the audio output transducer and the display, and acoustically isolated from the audio output port..
Electronic device including acoustically isolated passive radiator within a baffle space and related methods
An electronic device may include a housing having an audio output port therein, a display carried by the housing, and an internal partition carried within the housing and defining a baffle space behind at least a portion of the display. The electronic device may also include an audio output transducer carried by the internal partition and acoustically coupled to the audio output port, and a passive radiator within the baffle space, acoustically coupled between the audio output transducer and the display, and acoustically isolated from the audio output port..
Electronic device including acoustically isolated passive radiator and related methods
An electronic device may include a housing having an audio output port therein, a display carried by the housing, and a baffle enclosure carried within the housing. The electronic device may also include an audio output transducer carried by the baffle enclosure and acoustically coupled to the audio output port, and a passive radiator carried by the baffle enclosure, acoustically coupled between the audio output transducer and the display, and acoustically isolated from the audio output port..
Convertible headphone system
A convertible headphone system with headphones having a transducer with a front and a rear, and a back cavity that is fluidly coupled to the rear of the transducer, and an external acoustic structure that defines an acoustic volume. The headphones and the external acoustic structure are configured to be coupled together so as to fluidly couple the back cavity of the headphones to the acoustic volume of the external acoustic structure, to form an expanded back cavity volume..
Acoustic system and method
Invention relates to the field of acoustic systems used to convert electrical signal into sound, and the design of the housing where the electroacoustic loudspeaker is mounted and may be used in household and industrial applications as an acoustic system. The acoustic transducer has a housing, made from coconut endocarp, containing at least one opening for mounting a loudspeaker, and can have additional openings for wires and/or connectors to the signal source, sound-absorbing or dampening materials, mounting elements, for example, hooks for mounting with use of a flexible cord or any other similar fastening elements, connectors, phase inverter, electronics unit, protective decorative mesh or cloth.
Direct write sensors
A method of making an acoustic wave sensor includes the steps of providing a piezoelectric substrate layer and printing on the substrate layer a sensor layer comprising a first interdigitated acoustic wave transducer, a sensing film, and positioned on an opposing side of the sensing film from the first interdigitated acoustic wave transducer at least one selected from the group consisting of a second interdigitated acoustic wave transducer and a bragg reflector. An insulation layer can be printed.