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Transducer patents



      
           
This page is updated frequently with new Transducer-related patent applications. Subscribe to the Transducer RSS feed to automatically get the update: related Transducer RSS feeds. RSS updates for this page: Transducer RSS RSS


Monitoring left ventricle end diastolic pressure

Separable beamforming for ultrasound array

Intraluminal imaging system

Date/App# patent app List of recent Transducer-related patents
07/17/14
20140200488
 Method of cooling ultrasound treatment apparatus and ultrasound treatment apparatus using the same patent thumbnailMethod of cooling ultrasound treatment apparatus and ultrasound treatment apparatus using the same
An ultrasound treatment apparatus includes a transducer configured to irradiate ultrasound waves onto an object, and a membrane disposed in an irradiation direction of the ultrasound waves and to form, with the transducer, a space in which a cooling fluid circulates. The apparatus further includes a first temperature sensor configured to measure a temperature of a skin of a patient contacting the membrane, and a second temperature sensor configured to measure a temperature of the transducer.
07/17/14
20140200465
 Monitoring left ventricle end diastolic pressure patent thumbnailMonitoring left ventricle end diastolic pressure
Apparatus for remotely monitoring the left ventricle end diastolic pressure of a person includes an inflatable band for covering the artery of the person and applying a pre-determined pressure to the artery through the band. A pressure transducer in the inflatable band provides a pressure waveform signal representative of the pressure in the artery covered by the inflatable band.
07/17/14
20140200456
 Separable beamforming for ultrasound array patent thumbnailSeparable beamforming for ultrasound array
Ultrasonic imaging apparatus or techniques can include obtaining at least an approximation of samples of reflected ultrasonic energy and constructing a representation of an imaging plane within the tissue region. Such apparatus or techniques can include separately determining, for respective focusing locations respective first sums of at least approximated complex samples of reflected ultrasonic energy obtained via respective first lines of transducers, and separately determining, for the specified focusing location, a second sum of at least some the respective first sums of at least approximated complex samples of reflected ultrasonic energy, the second sum corresponding to a second line of transducers in the ultrasonic transducer array.
07/17/14
20140200438
 Intraluminal imaging system patent thumbnailIntraluminal imaging system
The invention generally relates to devices and methods that allow an operator to obtain real-time images of a luminal surface prior to, during, and after an intraluminal procedure, including while an intraluminal tool is engaged with the luminal surface. In one embodiment, an imaging system of the invention includes a guidewire comprising a first imaging element and a catheter comprising a second imaging element and a lumen that is configured to slidably receive at least a portion of the guidewire within.
07/17/14
20140200434
 Vibrational photoacoustic tomography using raman laser patent thumbnailVibrational photoacoustic tomography using raman laser
A method of noninvasively imaging tissue within a body includes irradiating the tissue using an imaging laser including a raman-based laser tuner, the radiation including a plurality of laser pulses, each having energy greater than 100 mj; receiving an acoustic signal generated by vibrational energy in the tissue, wherein the vibrational energy is a result of selective overtone excitation of molecules in the tissue by the radiation; and automatically converting the acoustic signal to an image representative of the tissue using a processor. An imaging system includes an imaging laser configured to irradiate tissue with a plurality of laser pulses using a raman-based laser tuner.
07/17/14
20140200418
 Methods and systems for acoustic data transmission patent thumbnailMethods and systems for acoustic data transmission
A method of communicating with an ingestible capsule includes detecting the location of the ingestible capsule, focusing a multi-sensor acoustic array on the ingestible capsule, and communicating an acoustic information exchange with the ingestible capsule via the multi-sensor acoustic array. The ingestible capsule includes a sensor that receives a stimulus inside the gastrointestinal tract of an animal, a bidirectional acoustic information communications module that transmits an acoustic information signal containing information from the sensor, and an acoustically transmissive encapsulation that substantially encloses the sensor and communications module, wherein the acoustically transmissive encapsulation is of ingestible size.
07/17/14
20140200109
 Planetary gear pump patent thumbnailPlanetary gear pump
A planetary gear pump comprising a central gear and a plurality of planet pairs provides a space efficient transducer between hydraulic and mechanical energy. When it is configured as a pump, a high flow rate is provided.
07/17/14
20140199757
 Atomic layer deposition inverted passivated surface acoustic wave sensor for early detection of biofilm growth patent thumbnailAtomic layer deposition inverted passivated surface acoustic wave sensor for early detection of biofilm growth
A surface acoustic wave (saw) biofilm sensor includes a transmitting electric to acoustic wave transducer defining an upper surface and a lower surface, a receiving acoustic wave to electric transducer defining an upper surface and a lower surface, a piezoelectric film layer defining an upper surface and a lower surface, and a passivation film layer defining an upper surface and a lower surface. Portions of the lower surface of the piezoelectric film layer are disposed on the upper surface of the transmitting electric to acoustic wave transducer and on the upper surface of the receiving acoustic wave to electric transducer, and the lower surface of the passivation film layer is disposed on the upper surface of the piezoelectric film layer such that the upper surface of the passivation film layer is configured to enable contact with a biofilm..
07/17/14
20140198941
 Acoustical signal generator using two transducers and a reflector with a non-flat contour patent thumbnailAcoustical signal generator using two transducers and a reflector with a non-flat contour
The present invention relates to an audio generator comprising, a first and a second transducer element, and the first transducer element has a first membrane having a surface which is non-flat, and a reflector, wherein the reflector has a surface with a non-flat contour and the reflector co-operating with directive guiding walls so as to lead and guide audio pressure waves to propagate in predetermined directions.. .
07/17/14
20140198900
 High resolution x-ray imaging with thin, flexible digital sensors patent thumbnailHigh resolution x-ray imaging with thin, flexible digital sensors
An x-ray sensor has a first x-ray transducer layer on a first side of the substrate, and a second x-ray transducer layer on a second side of the substrate opposite the first side of the substrate, and a sensor array of pixels between the first x-ray transducer layer and at least a portion of the substrate, the sensor array connected to the first and second x-ray transducer layers.. .
07/17/14
20140198620
Environment monitoring device in a motor vehicle and method for monitoring the environment using a correlation
An environment monitoring device in a motor vehicle having a signal generating device for generating a transmitted signal, at least one ultrasonic transducer for converting electric oscillations into acoustic oscillations and/or vice versa, and an evaluation device which evaluates an electric received signal in order to determine distances to objects in an environment of the motor vehicle, wherein the signal generating device is linked to the at least one ultrasonic transducer so that the ultrasonic transducer emits an ultrasonic transmitted signal into the environment in accordance with the electric transmitted signal, and the evaluation device is connected to the at least one ultrasonic transducer or at least one further ultrasonic transducer in order to receive the electric received signal. Also disclosed is a method for monitoring an environment by using a cross-correlation..
07/17/14
20140198072
In-pixel ultrasonic touch sensor for display applications
A video display is provided with a planar piezoelectric transmitter to transmit ultrasound signals, and a display panel including a plurality of pixels. Each pixel has a data interface to accept a video signal with a variable voltage associated with a range of light intensity values, and to supply a touch signal with a variable voltage derived from a range of reflected ultrasound signal energies.
07/17/14
20140197714
Saw device with heat efficient temperature controller
A surface acoustic wave (saw) device comprising at least one heating element formed on the substrate; at least one temperature sensor having a first electric component on the substrate whose resistance varies with the temperature of the substrate and a second electric component whose resistance does not vary; and a temperature controller including an operational amplifier bonded in thermally conductive relationship to the substrate. The operational amplifier is responsive to the output of the temperature sensor to apply power to the heating element and thereby maintain the temperature of the substrate within a predetermined temperature range.
07/17/14
20140197712
Resonant transducer and manufacturing method of resonant transducer
A resonant transducer includes a resonator, a resonator electrodes connected to an end part of the resonator, at least one fixed electrode arranged in the vicinity of the resonator, and a buried part formed between the fixed electrode and the resonator electrode. The resonator, the resonator electrodes and the fixed electrode are formed by the same active layer on a substrate..
07/17/14
20140197236
Medical storage cabinet with rfid inventory
A medication and/or medical supplies storage cabinet of all-steel construction has an rfid transducer or reader with an antenna array (i.e., an antenna or series of antennas) carried on a vertical elevator at the rear of the cabinet's metal shelves and drawers. The metal shelves, sides and back of the cabinet define successive compartments in which rfid-tagged item are stored.
07/17/14
20140196607
Heat exchange in fluid degassing
In one variation, a temperature-maintenance device includes a heater (1016) and is placeable in a circulation loop of an ultrasound transducer coupling bolus (1076), for degassing circulating liquid of the loop and for operating the heater for performing temperature control of the liquid. A temperature setpoint, such as a normal body temperature, for the liquid at the bolus may be entered.
07/17/14
20140196547
Deployable ultrasonic flow meter that is inserted through a gate valve slot, method and apparatus
A frame that is inserted into a gate valve slot which accesses a channel through which fluid flows so an ultrasonic flowmeter can measure the fluid flow through the channel. The frame includes a first arm axle that fits into the slot.
07/17/14
20140196543
Scanning acoustic microscope with an inverted transducer and bubbler functionality
A scanning acoustic microscope includes a transducer mounted in a cup below a particular elevation capable of producing ultrasonic energy and a coupling fluid source disposed below the particular elevation, which is configured to introduce coupling fluid into the cup. Ultrasonic energy is directed upwardly through coupling fluid disposed between and contacting the transducer and a first surface of a part to be inspected.
07/17/14
20140196536
Three-mode sensor for determining temperature, level, and concentration of a fluid
A three-mode ultrasonic sensor for determining temperature, level, and/or concentration of a fluid. In one embodiment, the sensor includes a target positioned at a level; a controller, and a transducer electrically connected to the controller.
07/10/14
20140194746
Ivus system with rotary capacitive coupling
An imaging system comprises a catheter having a lumen, a rotatable imaging probe within the catheter lumen including a distal transducer and first and second conductors coupled to the transducer, and a coupler that couples the rotatable first and second conductors to non-rotatable third and fourth conductors, respectively. The coupler includes a rotary capacitive coupler..
07/10/14
20140194745
Ultrasound image diagnostic device
An ultrasound image diagnostic device including: a transducer to output transmission ultrasound toward a subject by a drive signal and also to output a reception signal by receiving reflection ultrasound from the subject; a noise output section in which when the transducer receives the reflection ultrasound, a voltage containing noise is applied to the transducer to amplify the reception signal by a stochastic resonance phenomenon; a harmonic extracting section to extract a harmonic component from the reception signal; and an image processing section to generate ultrasound diagnostic image data of an interior of the subject based on the harmonic component extracted by the harmonic extracting section, wherein the noise output section applies a voltage containing noise such that the harmonic component is amplified by the stochastic resonance phenomenon to the transducer.. .
07/10/14
20140194744
Ultrasound transducer direction control
Disclosed are embodiments of devices and methods for imaging the inside of a body part, such as a blood vessel. In particular embodiments, a catheter has a chamber within which is a transducer mounted to a pivot mechanism, a motor for turning the transducer, and a coil for providing a pivot force to the transducer.
07/10/14
20140194743
Reciprocating ultrasound device
A device for internal ultrasound procedures includes a motor which rotates a drive shaft and an ultrasound transducer. A gearing assembly provides reciprocating rotational motion from a unidirectional motor.
07/10/14
20140194738
Method for focused acoustic computed tomography (fact)
A method for acoustic tomography within a patient may include generating a focused ultrasonic signal using a transducer is provided; the ultrasonic signal forming a path within the patient. The method includes directing the ultrasonic signal on a spot within the patient; scanning the spot in a predetermined pattern about a volume within the patient; receiving an ultrasonic echo in the transducer; converting the ultrasonic echo into a voltage; selecting a frequency band from the voltage; amplifying the voltage in the selected frequency band with a processing circuit; and generating an image of the volume within the patient structure utilizing the amplified voltage.
07/10/14
20140194737
Ultrasound based method and apparatus to determine the size of kidney stone fragments before removal via ureteroscopy
A transducer is used to send an ultrasound pulse toward a stone and to receive ultrasound reflections from the stone. The recorded time between a pulse that is reflected from the proximal surface and a pulse that is reflected either from the distal surface of the stone or from a surface supporting the stone is used to calculate the stone size.
07/10/14
20140194723
Multi-layer coating for optoacoustic probe
Disclosed is an optoacoustic probe with a coated transducer assembly. The probe includes a transducer assembly with a multi-layer coating on the active end thereof.
07/10/14
20140194704
Intraluminal imaging system
The invention generally relates to devices and methods that allow an operator to obtain real-time images of a luminal surface prior to, during, and after an intraluminal procedure, including while an intraluminal tool is engaged with the luminal surface. In one embodiment, an imaging system of the invention includes a first elongate member that includes at least one first imaging element and a second member that includes at least one second imaging element.
07/10/14
20140194673
Piezoelectric-based, self-sustaining artificial cochlea
Piezoelectric transducer arrays and methods of making the same are discussed. Such an array can include a piezoelectric film comprising a plurality of segments.
07/10/14
20140193735
Low vibration linear motor systems
A portable fuel cell system includes a fuel cell having a fluid path, a pump having a pumping chamber disposed in the fluid path and a mechanical input, an electric motor having a power signal input and having an oscillatory mechanical output coupled to the mechanical input, the mechanical output having unwanted vibration primarily at a first drive frequency of a power signal, a spring and mass assembly coupled to the mechanical output so as to vibrate out of phase with, and to reduce the unwanted vibration of, the mechanical output at the drive frequency, a vibration transducer physically coupled to the mechanical output and having a vibration transducer signal output, and an electrical control system having an input coupled to receive the vibration transducer signal output and having a control output coupled to the power signal input.. .
07/10/14
20140193011
Bone conduction device
A bone conduction device including an external component, the external component comprising a sound processor and transducer, the transducer configured to generate mechanical forces, and the external component configured for positioning behind a recipient's ear such that the mechanical forces are transmitted from the external component to a recipient's bone to generate a hearing percept via bone conduction.. .
07/10/14
20140193008
System and method for fitting of a hearing device
The invention relates to system and method for configuring a hearing device (100) with an external configuration unit (101), the method comprising the steps of: a) processing at least two sound recordings in the external processing unit (104′) with different parameter settings (105′a, 105′b), b) combining them into one joint signal, c) feeding the joint signal to the hearing device's output transducer (107), bypassing the rest of the hearing device (100), d) emitting the joint signal, e) letting the user (111) choose one of the sound recordings that fits his/her requirements best, f) repeating steps a) to e) with varying parameter settings, g) transmitting a chosen parameter setting to the hearing device (100), wherein in step a) the sound recordings to be processed are chosen according to the situation the hearing device (100) will be used for or the specific hearing impairment of a user (111) of the hearing device (100).. .
07/10/14
20140192992
System for fitting audio signals for in-use ear
A system and method are provided for automatic fitting of all audio signals according to the ear in which a user is using to receive audio signals from a host device. The device may comprise an inquirer configured to query a host device for an in-use audio producing transducer; an electronic mechanism configured to identify an ear which a user is using to receive audio signals from a host device, based on the in-use audio producing transducer; and a notifier configured to instruct the host device, based on the identified ear, to output a channel of audio signals to the in-use audio producing transducer.
07/10/14
20140192187
Non-contact measurement device
A portable coordinate measuring machine for measuring the coordinates of an object in space is provided including a manually positionable articulated arm portion having a plurality of connected arm segments that include position transducers that provide position signals. A probe assembly connected to an arm segment includes a non-contact measurement device having a projector and a camera separated by a baseline distance.
07/10/14
20140192026
Multi-transducer waveguide arrays
Systems and related methods providing for touch sensors having segmented reflective arrays including waveguide cores are discussed herein. A touch sensor may include a substrate configured to propagate surface acoustic waves.
07/10/14
20140191973
Thin profile user interface device and method providing localized haptic response
Electromechanical polymer (emp) actuators are used to create haptic effects on a user interface deface, such as a keyboard. The keys of the keyboard may be embossed in a top layer to provide better key definition and to house the emp actuator.
07/10/14
20140191772
Differential current sensor
The invention relates to a differential current sensor for measuring a differential current (Δi) between an electric current (ih) through a delivery conductor (h) and an electric current (ir) through a return conductor (r), with two low-ohmic current-measuring resistors (rh, rl) for measuring the currents (ih, ir) in the delivery conductor (h) and return conductor (r) and two measuring devices (meh, mel) with a measuring transducer for measuring the voltage drops (uh, ul) over the two current-sense resistors (rh, rl) in each case, and also with two voltage references (urefh, urefl) for calibrating the measuring devices (meh, mel). It is suggested that the two measuring transducers successively measure both the voltage drop (uh) over the respective current-sense resistor (rh) and the associated voltage reference (urefh, urefl)..
07/10/14
20140191344
Mems process and device
A method of fabricating a micro-electrical-mechanical system (mems) transducer comprises the steps of forming a membrane on a substrate, and forming a back-volume in the substrate. The step of forming a back-volume in the substrate comprises the steps of forming a first back-volume portion and a second back-volume portion, the first back-volume portion being separated from the second back-volume portion by a step in a sidewall of the back-volume.
07/10/14
20140191343
Sound transducer and microphone using same
Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane, provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane, provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals..
07/10/14
20140190826
Arrangement for in situ measurement of at least the oxygen content within a solids heap
An arrangement for in situ measurement of at least one oxygen partial pressure within a solids heap, including: at least one measuring transducer arranged within the solids heap for locally registering oxygen partial pressure, wherein each measuring transducer is embodied to output a measurement signal representing oxygen partial pressure to a superordinated unit, which is arranged outside the solids heap and is embodied to receive and to process the measurement signals of each measuring transducer.. .
07/10/14
20140190824
Nanogap transducers with selective surface immobilization sites
Embodiments of the invention provide transducers capable of functioning as electronic sensors and redox cycling sensors. Transducers comprise two electrodes separated by a nanogap.
07/10/14
20140190272
Conditioner, apparatus and method
The present invention pertains to a flow conditioner for displacing and mixing fluid flow to minimize the effects of thermal gradients on the accuracy of a transit time ultrasonic flowmeter and defines an envelope in a cross sectional direction in a pipe having a first ramp adapted to be disposed in the pipe and extending from the outside of the envelope inward toward the center of the pipe in a downstream direction with respect to the fluid flow and forming an angle between 0° and 90° relative to the pipe's inner surface. The conditioner has a second ramp adapted to be disposed in the pipe and in juxtaposition with the first ramp, the second ramp extending from the outside of the envelope inward toward the center of the pipe in an upstream direction with respect to the fluid flow and forming an angle between 0° and 90° relative to the pipe's inner surface.
07/10/14
20140190264
Method and apparatus for inspecting and monitoring pipe
An ultrasonic sensor assembly detects a characteristic of a pipe. The ultrasonic sensor assembly includes first and second transducer rings spaced apart along a length of the pipe.
07/03/14
20140188011
Focused ultrasonic transducer navigation system
A focused ultrasonic transducer navigation system attaches to a patient and includes a housing that contains an ultrasonic device. An alignment system moves the housing, and moves the ultrasonic device within the housing, so a focal point of ultrasonic energy from the ultrasonic device is aligned in x, y, and z planes with a target location in the patient.
07/03/14
20140187971
Spectrum analysis of coronary artery turbulent blood flow
Methods and apparatuses are described to obtain cardiac data, which includes acquiring vibrational field cardiac data from a transducer wherein the transducer measures vibration over a surface of a human's body. An unwanted coronary event is separated from vibrational cardiac data.
07/03/14
20140187960
Intravascular ultrasound imaging apparatus, interface, architecture, and method of manufacturing
Sold-state intravascular ultrasound (ivus) imaging devices, systems, and methods are provided. Some embodiments of the present disclosure are particularly directed to compact and efficient circuit architectures and electrical interfaces for an ultrasound transducer array used in a solid-state ivus system.
07/03/14
20140187959
Ultrasound transducers and methods of manufacturing same
The present disclosure provides various embodiments of an ultrasound transducer for use in intravascular ultrasound (ivus) imaging. An exemplary ultrasound transducer includes substrate having a first surface and a second surface opposite the first surface.
07/03/14
20140187958
Bimodal diagnostic probe using optical and ultrasonic imaging, including at least one removable shell having on-board optical means
A device for a bimodal diagnostic probe with optical and ultrasonic imaging, the probe including a main body supporting an ultrasonic transducer at its front end. The device includes a shell, an illumination mechanism mounted on a front end of the shell to light outside of the shell, and a collection or detection mechanism mounted on the front end of the shell to collect or detect an optical signal produced outside the shell.
07/03/14
20140187957
Ultrasonic transducer electrode assembly
The present disclosure provides a method of fabricating an ultrasound transducer. A substrate having a first side and a second side opposite the first side is provided.
07/03/14
20140187956
Ultrasonic transducer electrode assembly
The present disclosure provides a method of fabricating an ultrasound transducer. A substrate having a first side and a second side opposite the first side is provided.
07/03/14
20140187955
Systems and methods of registration using an ultrasound probe
A system for registration of a bone structure includes a registration probe and a processing circuit. The registration probe includes a two-dimensional array of a plurality of ultrasonic transducers coupled to a rounded tip of the probe, wherein the ultrasonic transducers are configured to provide ultrasonic data.
07/03/14
20140187954
Infant bone assessment
System and method for assessment of demineralization of a bone of a subject. The acoustic wave, propagating along the bone as a result of generation, at the bone, of the ultrasound radiation force by a transducer of the ultrasound system, is outcoupled at a predetermined location along the bone and detected with an acoustic receiver.
07/03/14
20140187945
Ultrasound probe
An ultrasound probe (10) comprises a pair of one dimensional transducer modules (1, 2) arranged in-line but set apart from each other in a shallow “v” shape. This allows a wide gap for needle manipulation while maintaining the ability to compute a good acoustic image of the target area (4) on an ultrasound scan engine.
07/03/14
20140187929
Intravascular optical coherence tomography system with pressure monitoring interface and accessories
An optical coherence tomography system and method with integrated pressure measurement. In one embodiment the system includes an interferometer including: a wavelength swept laser; a source arm in communication with the wavelength swept laser; a reference arm in communication with a reference reflector; a first photodetector having a signal output; a detector arm in communication with the first photodetector, a probe interface; a sample arm in communication with a first optical connector of the probe interface; an acquisition and display system comprising: an a/d converter having a signal input in communication with the first photodetector signal output and a signal output; a processor system in communication with the a/d converter signal output; and a display in communication with the processor system; and a probe comprising a pressure sensor and configured for connection to the first optical connector of the probe interface, wherein the pressure transducer comprises an optical pressure transducer..
07/03/14
20140187891
Module for a computer interface
The present invention provides a module for a computer interface including a transducer wherein the transducer receives a measurement value and makes this measurement value available for monitoring an individual's health by means of the computer interface, for example, for monitoring an individual's blood glucose level, wherein the measurement value is obtained by means of a sensor.. .
07/03/14
20140187445
Antibody-based arrays for detecting multiple signal transducers in rare circulating cells
The present invention provides antibody-based arrays for detecting the activation state and/or total amount of a plurality of signal transduction molecules in rare circulating cells and methods of use thereof for facilitating cancer prognosis and diagnosis and the design of personalized, targeted therapies.. .
07/03/14
20140187142
Seismic alarm and warning system
An improved seismic alarm system designed to alarm users of an upcoming seismic event and other natural disasters, and aid victims' survival after an earthquake. The seismic alarm system includes an accelerometer, a controller, an acoustic-to-electric transducer for acoustic pattern detection, and rf module to receive emergency radio signals.
07/03/14
20140186423
Transdermal patch having ultrasound transducer for administering thrombolytic reagents to patients having a protein misfolding disease
The present invention relates to a method and device for treating patients with a protein misfolding disease by chronically administering an effective dose of a thrombolytic reagent and/or a thrombolytic reagent regulator over an intermittent period of time. The thrombolytic reagents degrade the misfolded proteins that accumulate and that can become toxic in such patients.
07/03/14
20140185846
Hearing aid with improved localization
A hearing aid includes: a cue filter having an input that is provided with an output from the bte sound input transducer; an adaptive feedback canceller configured to provide an output modelling a feedback path between the output transducer and the bte sound input transducer, wherein the output modelling the feedback path is provided to a subtractor for subtraction of the output modelling the feedback path from the output of the bte sound input transducer to obtain a difference, the subtractor outputting the difference to the cue filter; and a feedback and cue controller connected to the adaptive feedback canceller and the cue filter, wherein the feedback and cue controller is configured to control the cue filter to reduce a difference between an output of the ite microphone and a combined output that is obtained using at least the cue filter.. .
07/03/14
20140185845
Spectacle hearing device system
A spectacle hearing device system includes: a first hearing instrument, the first hearing instrument having a first wireless hearing instrument transceiver and a first acoustic output transducer; a pair of spectacles, the pair of spectacles comprising a first wireless spectacle transceiver, and a first plurality of microphones, the first plurality of microphones forming a first directional microphone array configured for generating a first electrical signal from acoustic signals picked up by the first plurality of microphones; a first processor for processing the first electrical signal according to a hearing loss compensation prescription; and a first amplifier for applying the first electrical signal to the first acoustic output transducer; wherein the first wireless spectacle transceiver is configured for transmitting the first electrical signal wirelessly to the first hearing instrument.. .
07/03/14
20140184750
Stereo vision encoded ultrasonic inspection
This invention applies optical tracking technology with an ultrasound inspection system to associate recorded position data with the inspection data. The reference targets of the optical tracking system can be attached to the inspection assembly to allow fully recorded position information to be associated with the ultrasonic, eddy current, or other nondestructive examination data without substantially impacting the overall envelope of the nde inspection equipment.
07/03/14
20140184027
Layout and method of singulating miniature ultrasonic transducers
The present disclosure provides a method of singulating a plurality of miniature ultrasound transducers from a wafer. The method includes receiving a wafer on which a plurality of miniature ultrasound transducers is formed.
07/03/14
20140184024
Monolithic energy harvesting system, apparatus, and method
An energy harvesting device utilizing a monolithic, mesoscale, single-degree-of-freedom inertial based resonator in which the support structure, beam-spring, and proof mass are a single component without joints, bonds, or fasteners. Frequency tuning features include holes in the proof mass in which mass can be added to change the devices resonance frequency as well as levers which add curvature to the beam-spring system and adjust system stiffness.
07/03/14
20140184023
Layout and method of singulating miniature ultrasonic transducers
The present disclosure provides a method of singulating a plurality of miniature ultrasound transducers from a wafer. The method includes receiving a wafer on which a plurality of miniature ultrasound transducers is formed.
07/03/14
20140184022
Porosity control in piezoelectric films
A piezoelectric film having a porosity between 20 and 40%, a thickness ranging from tens of microns to less than a few millimeters can be used to form an ultrasonic transducer ut for operation in elevated temperature ranges, that emit pulses having a high bandwidth. Such piezoelectric films exhibit greater flexibility allowing for conformation of the ut to a surface, and obviate the need for couplings or backings.
07/03/14
20140184021
Piezoelectric stack transducer
Provided is a piezoelectric stack transducer. In a transducer portion, a plurality of piezoelectric transducers which output maximum amplitude at different frequencies are continuously stacked.


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This listing is a sample listing of patent applications related to Transducer for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Transducer with additional patents listed. Browse our RSS directory or Search for other possible listings.
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