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Acoustic Wave patents



      
           
This page is updated frequently with new Acoustic Wave-related patent applications.



Date/App# patent app List of recent Acoustic Wave-related patents
01/28/16
20160028373 
 High rejection surface acoustic wave duplexer patent thumbnailHigh rejection surface acoustic wave duplexer
Filer devices and duplexer devices are disclosed. A filter device includes two or more surface acoustic wave resonators, including at least a first shunt resonator, formed on a surface of a substrate.
Resonant Inc.


01/28/16
20160028372 
 Acoustic wave elements and antenna duplexers, and modules and electronic devices using same patent thumbnailAcoustic wave elements and antenna duplexers, and modules and electronic devices using same
An acoustic wave element according to certain examples includes a piezoelectric body, an interdigital transducer (idt) electrode disposed above the piezoelectric body, and a connection electrode disposed above the piezoelectric body and connected to the idt electrode. A first insulation layer covers the connection electrode, and a second insulation layer covers the idt electrode.
Skyworks Panasonic Filter Solutions Japan Co., Ltd.


01/28/16
20160028367 
 Single crystal acoustic resonator and bulk acoustic wave filter patent thumbnailSingle crystal acoustic resonator and bulk acoustic wave filter
A method of wafer scale packaging acoustic resonator devices and an apparatus therefor. The method including providing a partially completed semiconductor substrate comprising a plurality of single crystal acoustic resonator devices provided on a silicon and carbide bearing material, each having a first electrode member, a second electrode member, and an overlying passivation material.
Akoustis, Inc.


01/28/16
20160028366 
 Duplexer patent thumbnailDuplexer
A duplexer includes a first band-pass filter and a second band-pass filter with a pass-band lower than the first band-pass filter. The first band-pass filter includes an unbalanced surface acoustic wave filter.
Murata Manufacturing Co., Ltd.


01/28/16
20160027429 
 Integrated acoustic phase array patent thumbnailIntegrated acoustic phase array
A system includes a processor and a phased array, coupled to the processor, having an arrayed waveguide for acoustic waves to enable directional sound communication.. .
Intel Corporation


01/28/16
20160025685 
 Phantom for calibrating object information acquiring apparatus and manufacturing method thereof patent thumbnailPhantom for calibrating object information acquiring apparatus and manufacturing method thereof
A phantom used for calibrating an object information acquiring apparatus that irradiates light into an object and acquires characteristic information inside the object based on an acoustic wave propagated from the object, the phantom comprises a base material; and a simulated tissue portion that simulates a three-dimensional structure of a tissue inside a living body, wherein the simulated tissue portion is disposed inside the base material, and has a simulated layer, which is a layer simulating optical characteristics of the tissue inside the living body, on the surface thereof.. .
Canon Kabushiki Kaisha


01/28/16
20160025580 
 Pressure sensor patent thumbnailPressure sensor
An antenna unit having an antenna coil pattern is disposed in a casing. A sensor unit has a surface acoustic wave detecting element including a first sensing electrode that generates and receives a surface acoustic wave and a first reflector that reflects the surface acoustic wave, which are provided on a substrate configured of a piezoelectric material, and a sensor coil pattern electrically connected to the first sensing electrode and coupled to the antenna coil pattern.
Denso Corporation


01/28/16
20160025577 
 Differential temperature surface sensor patent thumbnailDifferential temperature surface sensor
This sensor, comprises: a first surface acoustic wave device, comprising a first piezoelectric substrate, formed from a (yxw/t)/φ/θ/ψ cut of a langasite crystal, where φ is equal to 0±5° is equal to 55±20° and ψ is equal to 32.5±7.5° and a first resonator having a first transducer laying on a first propagation surface and having two sets of interdigitated first electrodes formed from an electrically conductive material having a high melting temperature; and a second surface acoustic wave device, comprising a second piezoelectric substrate, formed from a (yxw/t)/φ/θ/ψ cut of a langasite crystal, where φ is equal to 0±5°, θ is equal to 5±20° and ψ is equal to 0±7.5°, and a second resonator having a second transducer laying on a second propagation surface and having two sets of interdigitated second electrodes formed from an electrically conductive material having a high melting temperature; said first and second surface acoustic wave devices being independent one from the other in terms of surface acoustic wave propagation.. .
Ecole Nationale Superieure De Mecanique Et Des Microtechniques


01/28/16
20160024913 
 Acoustic receiver for use on a drill string patent thumbnailAcoustic receiver for use on a drill string
An acoustic receiver for use on a drill string includes a housing attachable to the drill string; a first sensor mounted within the housing for measuring a first parameter at a first location on the drill string and for generating a first parameter signal representative of the first parameter; a second sensor mounted within the housing for measuring a second parameter at a second location on the drill string and for generating a second parameter signal representative of the second parameter; and a controller mounted within the housing and communicatively coupled to the first and second sensors. The magnitudes of the first and second parameters vary in proportion to magnitude of the acoustic wave and the first and second parameters have a quadrature phase relationship.
Xact Downhole Telemetry Inc.


01/28/16
20160022305 
 Ultrasonic blade overmold patent thumbnailUltrasonic blade overmold
An ultrasonic instrument comprises an ultrasonic transducer, an acoustic waveguide, and an ultrasonic blade. The acoustic waveguide comprises a bore extending through the waveguide, an anchor pin, and an acoustic isolator.
Ethicon Endo-surgery, Inc.


01/28/16
20160022150 

Photoacoustic apparatus


A photoacoustic apparatus disclosed in this specification includes a light source; a probe including a plurality of transducers each configured to receive a photoacoustic wave generated from a subject irradiated with light emitted from the light source and output a reception signal, and a support member configured to support the plurality of transducers so that directivity axes of the plurality of transducers are collected; a moving unit configured to move the probe; a region setting unit configured to set an imaging region; and a processing unit configured to acquire subject information in the imaging region based on the reception signals output from the plurality of transducers. The light source is configured to emit the light if a position at which the directivity axes are collected is farther from the probe than a center of the imaging region..
Canon Kabushiki Kaisha


01/28/16
20160022149 

Object information acquiring apparatus and control method thereof


Provided is an object information acquiring apparatus including: a light source; a controller that controls irradiation of light from the light source; a detector that receives an acoustic wave generated from an object onto which light from the light source is irradiated; a processor that generates characteristic information inside the object using the acoustic wave received by the detector; and an acquirer that acquires the shape of the object, wherein the controller controls an irradiation area when light is irradiated from the light source onto the object, based on the shape of the object acquired by the acquirer.. .
Canon Kabushiki Kaisha


01/21/16
20160021449 

Acoustic device


An acoustic device that has a neck loop that is constructed and arranged to be worn around the neck. The neck loop includes a housing with a first acoustic waveguide having a first sound outlet opening, and a second acoustic waveguide having a second sound outlet opening.
Bose Corporation


01/21/16
20160020750 

Method, system, and resonator circuits and modulating resonators


Embodiments of resonator circuits and modulating resonators and are described generally herein. One or more acoustic wave resonators may be coupled in series or parallel to generate tunable filters.
Peregrine Semiconductor Corporation


01/21/16
20160020747 

Methods, systems, and apparatuses for temperature compensated surface acoustic wave device


Embodiments described herein may provide a temperature-compensated surface acoustic wave (tcsaw) device, a method of fabricating a tcsaw device, and a system incorporating a tcsaw device. The tcsaw device may include a pyroelectric substrate, a plurality of electrodes formed on a first surface of the pyroelectric substrate, an amorphous silicon layer formed over the plurality of electrodes, and a temperature compensating layer formed over the amorphous silicon layer..
Triquint Semiconductor, Inc.


01/21/16
20160018549 

Removing ring down effects from sonic waveforms


An illustrative acoustic range finding method including deploying a tool downhole, transmitting a first acoustic waveform with a transmitting acoustic transducer of the tool, receiving a second acoustic waveform with a receiving acoustic transducer of the tool, removing a deterministic waveform from the second acoustic waveform to obtain an echo waveform, and deriving a measurement from said echo waveform.. .
Halliburton Energy Services, Inc.


01/21/16
20160018545 

Seismic sensor devices, systems, and methods including noise filtering


Methods, systems, and apparatuses are disclosed for sensing acoustic waves in a medium. One example system includes a first elongated member, a first motion sensor sensitive to vibrations of the first elongated member, a second motion sensor spaced apart from the first motion sensor and also sensitive to vibrations of the first elongated member, and a first vibration source operably coupled to the first elongated member and configured to vibrate the first elongated member..
Ion Geophysical Corporation


01/21/16
20160018519 

High frequency acoustic spectrum imaging


A method and a device for high frequency acoustic spectrum imaging for an object over a field of view. A camera captures an image of the object.
Siemens Aktiengesellschaft


01/21/16
20160016180 

Devices, systems, and methods for acoustically-enhanced magnetophoresis


The present disclosure provides systems and devices for the sorting of objects using acoustic waves and magnetic forces as well as methods of using the systems and devices.. .
Duke University


01/21/16
20160015419 

Ultrasonic surgical instrument with removable handle assembly


An apparatus comprises a body and a shaft assembly. The shaft assembly is configured to couple with the body such that the shaft assembly extends distally relative to the body.
Ethicon Endo-surgery, Inc.


01/21/16
20160015274 

Photoacoustic controlling the same


A photoacoustic apparatus includes a detecting unit including a plurality of receiving elements configured to detect an acoustic wave that is generated when an analyte is irradiated with light; a signal processing unit configured to acquire information about the inside of the analyte from a detected signal acquired from the detecting unit; an optical absorber configured to absorb the irradiation light; and a reception characteristic calculation unit configured to calculate reception characteristic information of the plurality of receiving elements on the basis of detected signals when the plurality of receiving elements receive an acoustic wave that is generated from the optical absorber.. .

01/14/16
20160012265 

Wireless surface acoustic wave temperature sensor and interrogation system apparatus capable of generating a self synchronizing shaft position indicator for moving platforms


A surface acoustic wave sensor system for use with a moving platform. The system comprises an interrogator for producing an rf interrogating signal transmitted from a first antenna.
Mnemonics, Inc.


01/14/16
20160009547 

Mems devices having discharge circuits


Mems devices having discharge circuits. In some embodiments, a mems device can include a substrate and an electromechanical assembly implemented on the substrate.
Skyworks Solutions, Inc.


01/14/16
20160008532 

System and blood separation by microfluidic acoustic focusing


Systems and methods for cleansing blood are disclosed herein. The methods include acoustically separating undesirable particles bound to capture particles from formed elements of whole blood.
The Charles Stark Draper Laboratory, Inc.


01/14/16
20160008051 

Volumetrically oscillating plasma flows


Volumetrically oscillating plasma flows, the volume of which controllably expands and contracts with time, are disclosed. Volumetrically oscillating plasma flows are generated by providing an energy with a power density that changes with time to the plasma-generating gas to form a plasma flow.
Plasma Surgical Investments Limited


01/07/16
20160007125 

Open top back plate optical microphone


A micro-electro-mechanical system (mems) optical sensor and method of manufacturing a mems optical sensor. The mems optical sensor may be a mems optical microphone including a compliant membrane configured to vibrate in response to an acoustic wave, the compliant membrane having a grating suspended therein.
Apple Inc.


01/07/16
20160007108 

Grating only optical microphone


A micro-electro-mechanical system (mems) optical sensor including an enclosure having a top wall, a bottom wall and a sidewall connecting the top wall and the bottom wall. The sensor further including a compliant membrane positioned within the enclosure, which is configured to vibrate in response to an acoustic wave and having a grating formed therein.
Apple Inc.


01/07/16
20160006410 

Acoustic wave devices, and antenna duplexers, modules, and communication devices using same


An elastic wave device including a substrate, an interdigital transducer (idt) electrode provided on an upper surface of the substrate, a first wiring electrode provided on the upper surface of the substrate and connected to the idt electrode, a dielectric film that does not cover a first region of the first wiring electrode but covers a second region of the first wiring electrode above the substrate, the first wiring electrode including a cutout in the second region, and a second wiring electrode that covers an upper surface of the first wiring electrode in the first region and an upper surface of the dielectric film in the second region above the substrate.. .
Skyworks Panasonic Filter Solutions Japan Co., Ltd


01/07/16
20160003781 

Object information acquiring apparatus and laser apparatus


There is used an object information acquiring apparatus including a laser resonator configured to include two reflection bodies and a q switch provided between the two reflection bodies and determining a q value based on a voltage to be applied, an excitation section configured to optically excite a laser medium, a detector configured to detect light output from one of the reflection bodies, a controller configured to control the laser resonator and determine a value of the voltage based on a detection result of the detector and applies the voltage to the q switch, a receiver configured to receive an acoustic wave propagating from an object based on irradiation of the object with laser light output from one of the reflection bodies, and an acquisition section configured to acquire information on the object based on a reception result of the receiver.. .
Canon Kabushiki Kaisha


01/07/16
20160001316 

Atomisation apparatus using surface acoustic wave generation


An apparatus for atomising liquid, including a piezoelectric substrate (1) having a working surface (3), and a peripheral edge (7) extending along a side of the working surface, an interdigital transducer (2) located on the working surface for generating surface acoustic waves (saw) in the working surface, and a liquid delivery arrangement including a porous member (8) for supplying the liquid to be atomised, wherein the porous member is in contact with the peripheral edge of the piezoelectric substrate.. .
Rmit University


12/31/15
20150380038 

Magnetic data storage using induced strain of a magnetostrictive material


Acoustically assisted magnetic recording can be used in a hard disk drive or a solid state medium. In the described embodiments, otherwise unwriteable high-coercivity media are made amenable to recording by lowering their coercivity via strain induced by acoustic waves.
Oregon State University


12/31/15
20150378037 

Pneumatic control for marine seismic source and method


Method, source and shuttle configured to generate acoustic waves under water. The shuttle includes a firing piston closing a firing chamber and contributing to holding the compressed gas, and a transitional region connected to the firing piston.
Sercel


12/31/15
20150374312 

Object information acquiring apparatus and object information acquiring method


To use an object information acquiring apparatus that has: a plurality of detection elements that detect acoustic waves generated from an object irradiated with light from a light source and output electric signals; a supporting member that supports the plurality of detection elements so that the axes of directivity of at least part of the detection elements gather; an inputting unit that receives an input of a measurement condition from a user; a selecting unit that selects at least part of the plurality of detection elements in response to the measurement condition input by the user; and a processing unit that acquires property information on the inside of the object, using electric signals output from the selected detection elements.. .
Canon Kabushiki Kaisha


12/31/15
20150374239 

Object information acquiring apparatus and control object information acquiring apparatus


An object information acquiring apparatus, comprises a light irradiation unit that irradiates light onto an object and can change an emission direction of the light; a scanning mechanism that moves the light irradiation unit along a first axis; a probe that receives an acoustic wave generated by light irradiated onto the object; a processing unit that generates characteristic information inside the object based on the acoustic wave received by the probe; and a control unit that controls a position of the light irradiation unit on the first axis, and the emission direction of the light emitted from the light irradiation unit, wherein the control unit determines the emission direction of the light emitted from the light irradiation unit based on the position of the light irradiation unit on the first axis.. .
Canon Kabushiki Kaisha


12/24/15
20150373441 

A speaker apparatus


A speaker comprising: a case; a display configured to display an image; at least one vibrating element configured to actuate the display to move the display relative to the case to generate acoustic waves; a gasket interfacing the case and the display; and a transceiver located within a speaker internal volume.. .
Nokia Technologies Oy


12/24/15
20150372661 

Acoustic wave device


An acoustic wave device is provided with a low-frequency side filter having a low-frequency side passband, a high-frequency side filter having a high-frequency side passband, and first and second balanced terminals. The low-frequency side filter is connected to a first unbalanced terminal.
Skyworks Panasonic Filter Solutions Japan Co., Ltd.


12/24/15
20150372659 

Elastic wave device


An elastic wave device is configured such that a first surface acoustic wave chip including a piezoelectric substrate is mounted on a package board, a center of the first surface acoustic wave chip is shifted from a center of the package board when viewed from above, and a crystal z-axis orientation of the piezoelectric substrate of the first surface acoustic wave chip is slanted to extend toward an outer side portion from a central portion of the package board as it progresses toward an upper surface from a lower surface of the piezoelectric substrate.. .
Murata Manufacturing Co., Ltd.


12/24/15
20150372658 

Low-insertion-loss piezoelectric acoustic wave band-pass filter and realization method thereof


A low-insertion-loss piezoelectric acoustic wave band-pass filter and a realization method thereof are disclosed. The realization method includes: using one first kind of piezoelectric acoustic wave resonator to constitute a series branch; using one second kind of piezoelectric acoustic wave resonator to constitute a parallel branch with a ground terminal; connecting any end of the series branch with a non-ground terminal of the parallel branch to form an acoustic wave band-pass filter unit; and cascading a plurality of acoustic wave band-pass filter units; wherein an impedance value at a series resonant frequency of the first kind of piezoelectric acoustic wave resonator is less than that of the second kind of piezoelectric acoustic wave resonator; and an impedance value at a parallel resonant frequency of the first kind of piezoelectric acoustic wave resonators is less than that of the second kind of piezoelectric acoustic wave resonator..
Tianjin University


12/24/15
20150372618 

Electromechanical transducer device and analyte information acquiring apparatus


To suggest an electromechanical transducer device with a high s/n ratio, an electromechanical transducer device includes a first substrate; electromechanical transducer elements two-dimensionally arrayed on a front surface of the first substrate and configured to provide conversion between acoustic waves and electric signals; an electric wiring substrate that is a second substrate electrically connected with a back surface of the first substrate; a first acoustic matching layer provided between the first substrate and the second substrate; an acoustic attenuating member arranged on a back surface of the second substrate; and a second acoustic matching layer provided between the second substrate and the acoustic attenuating member.. .
Canon Kabushiki Kaisha


12/24/15
20150371715 

Systems and methods for acoustic wave enabled data storage


The present disclosure provides systems and methods for storing, reading, and writing data using particle-based acoustic wave driven shift registers. The shift registers may physically shift particles along rows and/or columns of wells through the interactions of two parallel surfaces.
Elwha Llc


12/24/15
20150371687 

Systems and methods for acoustic wave enabled data storage


The present disclosure provides systems and methods for storing, reading, and writing data using particle-based acoustic wave driven shift registers. The shift registers may physically shift particles along rows and/or columns of wells through the interactions of two parallel surfaces.
Elwha Llc


12/24/15
20150369678 

Torque sensor and manufacturing method therefor


A torque sensor includes: a base portion fixed to a metal shaft having a rod shape as a measurement object of strain; a strain detection element of an surface acoustic wave type which is arranged in the base portion, and detects the strain of the metal shaft (10) through the base portion; and a fixing portion that is arranged between the base portion and the strain detection element, and fixes the strain detection element to the base portion.. .
Nippon Soken, Inc.


12/24/15
20150369652 

Object information acquiring apparatus


Provided is an object information acquiring apparatus including: detecting elements converting an acoustic wave propagated from an object to an electric signal, a processing unit acquiring characteristic information of the object using the electric signal, a supporting unit supporting the detecting elements, an input unit receiving information concerning three-dimensional region of interest, a display controlling unit displaying a predetermined three-dimensional shape representing, a scanning region setting unit setting a scanning region, and a scanning unit moving the supporting unit, wherein the display controlling unit changes the size of the region of interest stepwise by using a feature value peculiar to the apparatus as a unit based on the inputted information, and displays the changed region of interest.. .
Canon Kabushiki Kaisha


12/24/15
20150369651 

Acoustic wave acquiring apparatus and control method therefor


An acoustic wave acquiring apparatus is used that includes: an array light source including a plurality of elements emitting measurement light; a controller controlling the wavelength of the measurement light, for each of or the plurality of elements; a fabry-perot interferometer including a first mirror upon which the measurement light is incident and a second mirror upon which an acoustic wave from a subject is incident; an optical sensor measuring a light quantity of reflected light by the first and the second mirror; and a processor acquiring an intensity of the acoustic wave on the basis of a change of the light quantity of the reflected light, which is a distance between the first mirror and the second mirror, occurring due to the incidence of the acoustic wave.. .
Canon Kabushiki Kaisha


12/24/15
20150366634 

Apparatus and methods for treating root canals of teeth


Apparatus and methods for endodontic treatment of teeth provide effective cleaning of organic material (such as pulp and diseased tissue) from the root canal system. In an embodiment, a compressor system generates high pressure liquid (e.g., water) that flows through an orifice to produce a high-velocity collimated jet of liquid.
Sonendo, Inc.


12/24/15
20150366541 

Subject information acquisition apparatus, subject information acquisition method, and program


With unwanted reflected waves, an error might be produced in a movement velocity detection of a measurement object. There is provided a subject information acquisition apparatus including a plurality of transducers configured to transmit an acoustic wave pulse to a subject, receive reflected waves reflected from a plurality of positions in the subject, and convert the reflected waves respectively into time series received signals and a processing unit configured to acquire movement information of the object by using a plurality of the received signals output from the plurality of transducers are provided.
Canon Kabushiki Kaisha


12/24/15
20150366460 

Object information acquiring apparatus


Provided is an object information acquiring apparatus, comprising: a laser light source configured to irradiate laser light onto an object; a detector configured to detect a part of the laser light from the laser light source; a receiver configured to receive an acoustic wave that propagate from the object, based on the irradiation of the laser light; and an acquisition unit configured to acquire information relating to the object, based on a reception result of the receiver and a detection result of the detector, wherein the detector detects anomalous emission from the laser light source.. .
Canon Kabushiki Kaisha


12/24/15
20150366459 

Object information acquiring apparatus and laser apparatus used therein


Provided is an object information acquiring apparatus provided with: a laser light source; a detection unit that detects a portion of laser light emitted from the laser light source; a determination unit that determines whether or not abnormal emission is contained in the laser light, based on a detection result of the detection unit; a radiation unit that radiates the laser light onto an object; a reception unit that receives acoustic waves that propagate from the object, based on radiation of the laser light; an acquisition unit that acquires information relating to the object, based on a reception result of the reception unit; and a control unit that controls output of the laser light, based on a determination result of the determination unit.. .
Canon Kabushiki Kaisha


12/17/15
20150365069 

Reactance filter comprising acoustic waves resonators


A reactance filter includes a series branch that includes a number of series impedance elements that are coupled in series and a number of parallel branches each having a parallel impedance element coupled to a respective node of the series branch. Each impedance element includes a resonator that works with acoustic waves.
Epcos Ag


12/17/15
20150365067 

Composite substrates for acoustic wave elements, and acoustic wave elements


A composite substrate for an acoustic wave element includes a support substrate 1 and a propagation substrate 3 for propagating an acoustic wave. The propagation substrate is bonded to the support substrate 1 and composed of a piezoelectric single crystal.
Ngk Insulators, Ltd.


12/17/15
20150362622 

Fast viscoacoustic and viscoelastic full wavefield inversion


A method, including: obtaining an initial geophysical model; modeling a forward wavefield with viscoacoustic or viscoelastic wave equations; modeling an adjoint wavefield with adjoint viscoacoustic or adjoint viscoelastic wave equations, wherein the adjoint viscoacoustic wave equations are based on an auxiliary variable that is a function of pressure and a memory variable or the adjoint viscoelastic wave equations are based on a combination of stress and a memory variable, respectively; obtaining a gradient of a cost function based on a combination of a model of the forward wavefield and a model of the adjoint wavefield; and using the gradient of the cost function to update the initial geophysical model and obtain an updated geophysical model.. .

12/17/15
20150362463 

Sensor


A sensor which uses a detection element such as a surface acoustic wave element, and includes a flow passage for a specimen is provided. A sensor includes a substrate; a detection element located on the substrate and having a detection portion which detects an object to be detected contained in a specimen, in an upper surface thereof; and a flow passage structure located on the substrate and covering the detection portion with a space.
Kyocera Corporation


12/17/15
20150359519 

Object information acquiring apparatus and image processing method


An object information acquiring apparatus is used that includes: an ultrasound probe that receives an acoustic wave propagating from an object and outputs an electric signal; and a processor that generates an image of the inside of the object, using the electric signal. The processor creates a frequency distribution of pixel values included in a region of interest including a point of interest in the image, classifies the point of interest on the basis of the shape of the frequency distribution and the position of the point of interest in the frequency distribution, and determines a pixel value of the point of interest on the basis of a classification result of the point of interest..
Canon Kabushiki Kaisha


12/17/15
20150359478 

Detection, diagnosis and monitoring of osteoporosis by a photo-acoustic method


Method for examining bone in vivo, comprises obtaining a laser beam; modulating the laser beam to insert therein photoacoustic frequencies including optical frequencies and acoustic frequencies, the acoustic frequencies being able to give rise to acoustic waves; directing the modulated beam at a bone to cause acoustic waves resulting from the beam to travel through the bone; analyzing received signals from the bone including signals resulting from the acoustic waves, to determine a mineral density and a bone quality for said bone, and thus obtain in-vivo data that can be of assistance to a doctor when diagnosing osteoporosis.. .
Ramot At Tel-aviv University Ltd.


12/17/15
20150359434 

Photoacoustic apparatus, signal processing photoacoustic apparatus, and program


A photoacoustic apparatus includes a light source generating multiple lights with different wavelengths, a converting element receiving photoacoustic waves generated in a subject by the subject being irradiated by the multiple lights, a first distribution obtaining unit obtaining a property distribution based on optical absorption within the subject, for each of the mutually different wavelengths, using time-sequence reception signals each output from the converting element for each of the mutually different wavelengths, a second distribution obtaining unit obtaining, using multiple property distributions based on optical absorption for each wavelength, a concentration-related distribution of a substance of an object region of the subject, and a statistical information obtaining unit obtaining statistical information indicating variance in distribution in at least part of the concentration-related distribution.. .
Canon Kabushiki Kaisha


12/10/15
20150358717 

Audio headset for alerting user to nearby people and objects


Apparatus having corresponding methods and computer-readable media comprise: an earpiece; an acoustic transducer configured to generate an acoustic wave external to the earpiece; an acoustic sensor; a speaker disposed internal to the earpiece; and a processor configured to cause the headset to provide an alert responsive to the acoustic sensor receiving a reflection of the acoustic wave.. .
Plantronics, Inc.


12/10/15
20150357551 

Surface acoustic wave sensor


A surface acoustic wave (saw) sensor includes a surface acoustic wave material and a comb-teeth electrode. The surface acoustic wave material is to be arranged at a place where the surface acoustic wave material is distorted by physical quantity such as stress.
National University Corporation Chiba University


12/10/15
20150357044 

Systems and methods for acoustic wave enabled data storage


The present disclosure provides systems and methods for storing, reading, and writing data using particle-based acoustic wave driven shift registers. The shift registers may physically shift particles along rows and/or columns of wells through the interactions of two parallel surfaces.
Elwha Llc


12/10/15
20150355351 

System and generating and controlling conducted acoustic waves for geophysical exploration


An improved seismic impulse acquisition system involves an array of seismic sources comprising direct detonation overpressure wave generators that are geographically scattered, an array of echo detectors configured to detect said seismic impulses imparted by each seismic source of said array of seismic sources, a data recorder, said array of echo detectors being connected to said data recorder, a control system, and a network that connect the array of seismic sources and the array of echo detectors to said control system. Each seismic source imparts seismic impulses into a target media in accordance with a respective code sequence of a plurality of code sequences, wherein the location of each seismic source and each echo detector at a given time is known relative to an established coordinate system.
Soundblast Technologies, Llc


12/10/15
20150354343 

Measuring settling in fluid mixtures


A method and apparatus for measuring a property of settling of a first phase in a second fluid phase of a mixture. In order to measure the property of settling, the mixture may be contained in a chamber, an acoustic wave may be repeatedly passed vertically through the mixture, a transit time may be measured for each acoustic wave to traverse the mixture, and the property of settling using a change in the transit times of the acoustic waves may then be determined.
Statoil Petroleum As


12/10/15
20150351639 

Subject information obtaining apparatus, controlling subject information obtaining apparatus, and program


A subject information obtaining apparatus includes a light source that emits light, a photoacoustic wave reception unit that receives a photoacoustic wave generated when the light is radiated onto a subject and that outputs a photoacoustic signal, an acoustic wave transmission unit that transmits an acoustic wave to the subject, an echo reception unit that receives an echo of the acoustic wave and that outputs an echo signal, and a signal processing unit that obtains pieces of optical characteristic information regarding the subject on the basis of the photoacoustic signal and pieces of morphological information regarding the subject on the basis of the echo signal. The signal processing unit obtains similarity between the pieces of morphological information, and, if the similarity is equal to or higher than a certain value, combines the pieces of optical characteristic information corresponding to the pieces of morphological information..
Canon Kabushiki Kaisha


12/03/15
20150350793 

Top port microelectromechanical systems microphone


A top port microelectromechanical systems (mems) microphone is presented herein. A device can include a substrate and a mems acoustic sensor mechanically attached to the substrate utilizing anchors.
Invensense, Inc.


12/03/15
20150349818 

Parallel connection for multi-channel pd signals


A parallel connection method and a device for multi-channel partial discharge (pd) signals have input sources of pre-processed and amplified signals received by multiple pd sensors. Then isolation and processing are provided to the signals to ensure that each signal is able to be self-triggered and unidirectional transmitted.
Shanghai Jiao Tong University


12/03/15
20150349747 

Capacitive coupled resonator device with air-gap separating electrode and piezoelectric layer


A bulk acoustic wave (baw) resonator includes a bottom electrode disposed on a substrate, a piezoelectric layer disposed over the bottom electrode, and a top electrode disposed over the piezoelectric layer. The baw resonator further includes at least one air-gap and corresponding support structure, where the at least one air-gap separates at least one of the bottom electrode and the top electrode from the piezoelectric layer, respectively..
Avago Technologies General Ip ( Singapore) Pte. Ltd.


12/03/15
20150349743 

Acoustic resonator comprising vertically extended acoustic cavity


A bulk acoustic wave (baw) resonator having a vertically extended acoustic cavity is provided. The baw resonator includes a bottom electrode disposed on a substrate over a cavity formed in the substrate; a piezoelectric layer disposed on the bottom electrode, and a top electrode disposed on the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.


12/03/15
20150344293 

Integrated semiconductor devices with single crystalline beam, methods of manufacture and design structure


Bulk acoustic wave filters and/or bulk acoustic resonators integrated with cmos devices, methods of manufacture and design structure are provided. The method includes forming a single crystalline beam from a silicon layer on an insulator.
Globalfoundries Inc.


11/26/15
20150340587 

Acoustic wave device


An acoustic wave device includes: an idt provided on a piezoelectric substrate; and gratings provided on both sides of the idt, wherein: a slowness surface of an acoustic wave has a concave shape; a duty ratio of electrode fingers of the gratings is larger than that of the electrode fingers of the idt, or a thickness of the electrode fingers of the gratings is larger than that of the electrode fingers of the idt, or a thickness of an added film provided on the electrode fingers of the gratings is larger than that of an added film provided on the electrode fingers of the idt; a pitch of the electrode fingers of the gratings is smaller than that of the electrode fingers of the idt; and a resonant frequency of the gratings is substantially the same as that of the idt.. .
Taiyo Yuden Co., Ltd.


11/26/15
20150339814 

Object information acquiring apparatus


An object information acquiring apparatus is used that has a receiver receiving acoustic waves propagating through an object at a plurality of measurement positions; and a processor acquiring on a two-dimensional flat surface projection image data obtained by projecting a distribution of property information relating to a measurement target within the object, wherein the processor acquires intensity-dependent three-dimensional image data within the object and non-intensity-dependent three-dimensional image data within the object, based on the acoustic waves, determines voxel coordinates projected onto the two-dimensional flat surface, based on the intensity-dependent three-dimensional image data, and acquires the projection image data, based on values of the non-intensity-dependent three-dimensional image data.. .
Canon Kabushiki Kaisha


11/26/15
20150338378 

Ultrasonic signal time-frequency decomposition for borehole evaluation or pipeline inspection


In some embodiments, methods, apparatus, and systems may operate to launch acoustic waves along a first acoustic path length from an acoustic transducer. The apparatus receives a reflected signal in response to each acoustic wave, each reflected signal including at least one echo.
Halliburton Energy Services, Inc.


11/26/15
20150336112 

Low energy microbubble generation system and apparatus


A bubble generation system includes a gaseous pressure source supplying a gas flow and a wave inducer including a first inlet in fluid communication with the gaseous pressure source to receive the gas flow and a first outlet. The wave inducer transitions the gas flow into a pulsating acoustic wave that exits the wave inducer through the outlet.
Mikroflot Technologies Llc


11/26/15
20150335253 

Acoustic-wave measuring apparatus and method


An acoustic-wave measuring apparatus includes a holding unit configured to hold a subject and an irradiation unit configured to irradiate the subject with light. An acoustic-wave detecting unit detects acoustic waves generated in the subject due to irradiation with the light; an image pickup unit acquires an image of the subject; and a measurement position on the image acquired by the image pickup unit is designated.
Canon Kabushiki Kaisha


11/26/15
20150335252 

Photoacoustic measurement device, photoacoustic measurement method, and probe contact determination method


A photoacoustic measurement device 10 includes a probe 11 having a light emitting unit that emits measurement light l and a plurality of acoustic wave detection elements, a determination unit 28 that determines whether a state between the probe 11 and a subject m is a contact state or a non-contact state, and a light intensity control unit (for example, a switching control unit 36 and an intensity switching unit 37) that controls the intensity of the measurement light such that the measurement light has a first intensity or a second intensity higher than the first intensity, on the basis of the determination result of the determination unit 28. The determination unit 28 performs the determination on the basis of the status of a change in a plurality of photoacoustic signals detected by the plurality of acoustic wave detection elements..
Fujifilm Corporation


11/26/15
20150335251 

Object information acquiring apparatus and object information acquiring method


This invention employs an object information acquiring apparatus including a probe for receiving, as a received signal, an acoustic wave which is generated within an object irradiated with light and propagates on an object surface, and a processor for generating object information, which is information based on an internal optical characteristic value of the object, by using intensity of the received signal. The processor corrects the intensity of the received signal by using the reflectance upon the acoustic wave entering the probe which is calculated based on the angle of the acoustic wave entering the probe, and on the acoustic impedance and acoustic velocity of the object and the probe..
Canon Kabushiki Kaisha


11/19/15
20150334308 

Subject information obtaining apparatus, display method, program, and processing apparatus


An apparatus in related art has a problem in a presentation method of data to a user or a usability. A subject information obtaining apparatus includes a plurality of transducer elements that receive acoustic waves generated in a subject irradiated with light from a light source and transduce the acoustic waves into a plurality of reception signals, a processing unit configured to obtain a characteristic distribution indicating a distribution of characteristic information respectively corresponding to a plurality of positions in the subject by using the plurality of reception signals, in which the processing unit outputs image information for displaying a distribution image created by using the characteristic distribution and data indicating a time fluctuation of the characteristic information in a predetermined region of the distribution image within a same screen of a display unit..
Canon Kabushiki Kaisha


11/19/15
20150333730 

Wide-band acoustically coupled thin-film baw filter


In a bulk acoustic wave (baw) filter based on laterally acoustically coupled resonators on piezoelectric thin films, one can utilize two distinct acoustic plate wave modes of different nature, for example the thickness extensional (longitudinal) te1 and the second harmonic thickness shear (ts2) mode to form a bandpass response. The invention is based on the excitation of at least two lateral standing wave resonances belonging to different plate wave modes that facilitate the transmission of signal.
Teknologian Tutkimuskeskus Vtt Oy


11/19/15
20150333401 

Bulk acoustic wave resonator tuner circuits


Techniques and configurations are disclosed for bulk acoustic wave resonator (bawr) tuner circuits and their use in integrated circuit (ic) packages and mobile communication devices for radio frequency (rf) communication. In some embodiments, a mobile communication device may include an antenna; a transmitter circuit having an output port, a tuner circuit having one or more bawrs, an antenna port coupled to the antenna, a transmitter port coupled to the output port of the transmitter circuit, and a control port; and a control circuit, coupled to the control port, configured to adjust an impedance of the tuner circuit, via adjustment of a bawr or another component of the tuner circuit, based at least in part on an impedance of the antenna.

11/19/15
20150331134 

Decomposing full-waveform sonic data into propagating waves for characterizing a wellbore and its immediate surroundings


A method for estimating parameters of a propagating wave field, such as the direction of propagation in 3d space of an acoustic wave from borehole-acoustic data. The estimation technique uses phase delays between recordings made by the individual receivers related to a plane wave travelling across the receiver array.
Read As


11/19/15
20150330887 

Apparatus and microparticle separation based on microfluidic chromatography using surface acoustic wave


The present invention related to an apparatus for separating micro-nano scale particles based on microfluidic chromatography using surface acoustic waves, comprising: a piezoelectric substrate; a pair of transducers, which are patterned on the piezoelectric substrate and generate surface acoustic waves when electric energy is applied to the piezoelectric substrate; a microfluidic chip, which is mounted on the piezoelectric substrate and include a microfluidic channel disposed between the pair of transducers, wherein a fluid including micro-nano scale particles flows in the microfluidic channel; and a detection unit, which detects micro-nano scale particles separated by the surface acoustic waves while the micro-nano scale particles pass through the microfluidic channel, wherein forces of the surface acoustic waves generated by the pair of transducers are formed in a direction opposite to a fluid flow to generate flow resistance to the micro-nano scale particles which flows in the microfluidic channel.. .
Korea University Research And Business Foundation


11/19/15
20150327906 

Volumetrically oscillating plasma flows


Volumetrically oscillating plasma flows, the volume of which controllably expands and contracts with time, are disclosed. Volumetrically oscillating plasma flows are generated by providing an energy with a power density that changes with time to the plasma-generating gas to form a plasma flow.
Plasma Surgical Investments Limited


11/19/15
20150327773 

Probe


There is provided a photo acoustic probe which prevents foreign substances from entering and of which a portion of a light emitting unit to be easily damaged can be replaced. An acoustic wave detector 24 detects acoustic waves.
Fujifilm Corporation


11/19/15
20150327772 

Photoacoustic apparatus


A photoacoustic apparatus includes a light source, a plurality of receiving elements that receive a photoacoustic wave generated as a subject is irradiated with light emitted from the light source and output time-series reception signals, a signal data acquisition unit that generates reception-signal data based on the time-series reception signals and store the reception-signal data, and an information acquisition unit that acquires information on the subject based on the reception-signal data stored in the signal data acquisition unit.. .
Canon Kabushiki Kaisha


11/19/15
20150327771 

Photoacoustic apparatus


A photoacoustic apparatus includes a light source, a probe including a reception element that receives a photoacoustic wave generated by a subject in response to being illuminated with light and output a time-series reception signal, a signal data acquisition unit that generates reception signal data based on the time-series reception signal and stores the resultant data, a light fluence acquisition unit that acquires a light fluence at a position of interest in the subject, and an information acquisition unit that acquires subject information based on the stored reception signal data, wherein in a case where the light fluence at the position of interest is smaller than a threshold value, the signal data acquisition unit reduces the amount of data for a part of the time-series reception signal that corresponds to the position of interest.. .
Canon Kabushiki Kaisha


11/19/15
20150327770 

Photoacoustic apparatus


A photoacoustic apparatus includes a light source; a receiving element configured to receive, at a plurality of positions, a photoacoustic wave generated through irradiation of a subject with light generated by the light source, and output a time-series reception signal; a signal data obtaining unit configured to obtain information that is based on a shape of the subject, generate reception signal data by reducing a data amount of the time-series reception signal on the basis of the obtained information that is based on the shape of the subject, and store the reception signal data; and an information obtaining unit configured to obtain information about the subject on the basis of the reception signal data stored in the signal data obtaining unit.. .
Canon Kabushiki Kaisha


11/19/15
20150327769 

Photoacoustic apparatus


A photoacoustic apparatus includes a light source; a supporting member configured to support a receiving element that receives a photoacoustic wave generated through irradiation of a subject with light generated by the light source and that outputs a time-series reception signal; a control unit configured to set a plurality of measurement positions at which the supporting member is located when the subject is irradiated with the light at a plurality of timings; a moving unit configured to move the supporting member to the plurality of measurement positions; a signal data obtaining unit configured to generate reception signal data by reducing a data amount of the time-series reception signal in accordance with a measurement position among the measurement positions, and store the reception signal data; and an information obtaining unit configured to obtain information about the subject on the basis of the reception signal data.. .
Canon Kabushiki Kaisha


11/19/15
20150327768 

Photoacoustic apparatus


A photoacoustic apparatus disclosed herein includes a plurality of receiving elements which receive photoacoustic waves caused by irradiation of light from a light source to a subject and outputs reception signals and a signal data acquisition unit which generates and stores reception signal data by reducing a data amount of reception signals output from the plurality of receiving elements when a region where the directional axes of the plurality of receiving elements are gathered at a point is not included in a region of interest.. .
Canon Kabushiki Kaisha


11/12/15
20150326200 

Bulk acoustic wave devices with temperature-compensating niobium alloy electrodes


A bulk acoustic wave (baw) resonator having a first electrode, a second electrode, and a piezoelectric layer between the first electrode and the second electrode. The first electrode is of a first electrode material.
Avago Technologies General Ip (singapore) Pte. Ltd.


11/12/15
20150325775 

Acoustic wave device and manufacturing the same


A method for manufacturing an acoustic wave device includes: forming reforming regions in a substrate along a first direction and a second direction intersecting the first direction by irradiating the substrate with a laser beam under different conditions in the first direction and the second direction, the substrate including a piezoelectric substrate on which an idt (interdigital transducer) is formed, and linear expansion coefficients of the piezoelectric substrate being different in the first direction and the second direction; and cutting the substrate in the first direction and the second direction at the reforming regions.. .
Taiyo Yuden Co., Ltd.


11/12/15
20150323456 

Tilted mems


A micro-electro-mechanical system (mems) optical sensor, method of detecting sound using the mems optical sensor and method of manufacturing. The mems optical sensor including a substrate having a base portion and a vertically extending support portion.
Apple Inc.


11/12/15
20150320438 

Ultrasonic surgical instrument with end effector having restricted articulation


An apparatus comprises a body assembly, a shaft, an acoustic waveguide, an articulation section, an end effector, and an articulation drive assembly. The shaft extends distally from the body assembly and defines a longitudinal axis.
Ethicon Endo-surgery, Inc.


11/12/15
20150320437 

Method of operating an articulating ultrasonic surgical instrument


An apparatus comprises a body assembly, a shaft, an acoustic waveguide, an articulation section, an end effector, and an articulation drive assembly. The shaft extends distally from the body assembly and defines a longitudinal axis.
Ethicon Endo-surgery, Inc.


11/12/15
20150320321 

Object information acquiring apparatus


An object is inserted through a first opening of a bed, and a probe is disposed which includes a breast support member supporting a plurality of first acoustic wave detection elements, which receive an acoustic wave propagated from the object and output a first reception signal so that the first acoustic wave detection elements are oriented to a predetermined area. The probe is separated from the object inserted through the first opening of the bed in the normal direction of the opening surface of the first opening.
Canon Kabushiki Kaisha


11/05/15
20150319534 

Evacuation of liquid from acoustic space


An acoustic module, such as a microphone or speaker module, includes an acoustic membrane that vibrates to produce acoustic waves and an acoustic cavity through which acoustic waves produced by the membrane travel. A liquid removal mechanism removes liquid from the acoustic cavity.
Apple Inc.


11/05/15
20150319395 

Television receiver, television broadcast receiving method and mobile terminal


There is provided an apparatus comprising a plurality of antenna terminals, a first switch configured to select an antenna terminal of the plurality of antenna terminals, a second switch configured to receive an output of the antenna terminal from the first switch and divide the output of the antenna terminal into a first output and a second output, a surface acoustic wave filter configured to receive the first output from the second switch, and a tuner/decoder configured to receive an output of the surface acoustic wave filter and the second output.. .
Sony Corporation


11/05/15
20150318837 

Acoustic resonator device with air-ring and temperature compensating layer


A bulk acoustic wave (baw) resonator device includes a substrate defining a cavity, a bottom electrode formed over the substrate and at least a portion of the cavity, a piezoelectric layer formed on the bottom electrode, and a top electrode formed on the piezoelectric layer. An air-wing and an air-bridge are formed between the piezoelectric layer and the top electrode, the air-wing having an inner edge that defines an outer boundary of an active region of the baw resonator device.
Avago Technologies General Ip (singapore) Pte. Ltd.


11/05/15
20150318461 

Bulk acoustic wave (baw) device having roughened bottom side


A bulk acoustic wave (baw) resonator includes a substrate having a top side surface and a bottom side surface. A bragg mirror is on the top side surface of the substrate.
Texas Instruments Incorporated


11/05/15
20150318190 

Baw gyroscope with bottom electrode


A bulk acoustic wave gyroscope has a primary member in a member plane, and an electrode layer in an electrode plane spaced from the member plane. The electrode layer has a first portion that is electrically isolated from a second portion.
Analog Devices, Inc.


11/05/15
20150316511 

Real-time detection and imaging of terahertz pulse radiation by using photoacoustic conversion


Methods and devices for high speed detection of terahertz radiation are provided. A photoacoustic transducer receives a pulse of terahertz (thz) radiation.
The Regents Of The University Of Michigan


11/05/15
20150316510 

Photoacoustic microscope


A photoacoustic microscope includes an objective lens that irradiates a specimen with excitation light, a light scanning unit that deflects the excitation light to scan the specimen, an acoustic lens that converts a wavefront of a photoacoustic wave generated by the specimen due to irradiation with the excitation light, a photoacoustic wave detection unit that detects the photoacoustic wave from the acoustic lens, a drive unit that displaces at least one of the acoustic lens and the photoacoustic wave detection unit, and a control unit that controls the drive unit, in synchronization with scanning of the excitation light by the light scanning unit, so that the photoacoustic wave is incident on the photoacoustic wave detection unit perpendicularly.. .
Olympus Corporation


11/05/15
20150315057 

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.
Johns Manville


11/05/15
20150313577 

Method for representing tissue stiffness


A method and system for analyzing stiffness in a volume of tissue, the method including: emitting acoustic waveforms toward the volume of tissue with an array of ultrasound transmitters; detecting, with an array of ultrasound receivers, a set of acoustic signals derived from acoustic waveforms transmitted through the volume of tissue; generating, from the set of acoustic signals, a sound speed map and an acoustic attenuation map of a region of the volume of tissue, generating a stiffness map derived from combination of a set of sound speed parameter values of the sound speed map and a corresponding set of acoustic attenuation parameter values of the acoustic attenuation map, the stiffness map representing the distribution of the stiffness parameter across the region; and at a display in communication with the computer processor, rendering a stiffness image of the volume of tissue, based upon the stiffness map.. .
Delphinus Medical Technologies, Inc.


10/29/15
20150309200 

A processing acoustic waveforms


A method for processing acoustic waveforms comprises acquiring acoustic waveforms in a borehole traversing a subterranean formation and transforming at least a portion of the acoustic waveforms to produce frequency domain signals. Then model dispersion curves are generated based on an anisotropic borehole-formation model having a set of anisotropic borehole-formation parameters and by specifying governing equations and using a matrix riccati equation approach.

10/29/15
20150309173 

Environment measurement system and environment measurement method


An environment measurement system according to the present invention is provided with a first unit comprising: a transmitter which is located undersea and transmits an acoustic wave in a designated direction a plurality of times; a first receiver which is located undersea and receives an acoustic wave reflected by a reflecting body at the sea surface or the seabed; a transmission direction setting unit which designates, to the transmitter, transmission directions specified in advance by a user, so as to cause the transmitter to transmit acoustic waves in the directions; a first necessary time measurement unit which, for each of the transmission directions, measures from the transmission and reception times of an acoustic wave a time necessary for the acoustic wave to return, as a necessary time, and outputs an average of the measured necessary time as an average necessary time for each of the transmission directions; a layer setting unit which partitions between the sea surface and the seabed into layers each extending horizontally, at intervals of preset distances; a simultaneous equations set-up unit which sets up simultaneous equations using the transmission directions, the necessary times and the layer thicknesses and taking average sound velocities in the respective layers as unknown variables; a simultaneous equations solving unit which solves the simultaneous equations; an initial parameter setting unit which sets initial values necessary for the simultaneous equations solving unit to solve the simultaneous equations, as parameter initial values; and a sound velocity profile output unit which creates a profile of sound velocities obtained by determining solutions acquired by the simultaneous equations solving unit to be average sound velocities in the respective layers and arranging the average sound velocities in the respective layers in order of depth, and outputs the profile.. .
Nec Corporation




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

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