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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
05/19/16
20160142829 
 Integrated package forming wide sense gap micro electro-mechanical system microphone and methodologies for fabricating the same patent thumbnailIntegrated package forming wide sense gap micro electro-mechanical system microphone and methodologies for fabricating the same
A micro electro-mechanical system (mems) microphone is provided. The microphone includes: a package substrate having a port disposed through the package substrate, wherein the port is configured to receive acoustic waves; and a lid coupled to the substrate and forming a package.
Invensense, Inc.


05/19/16
20160142826 
 Voice coil unit, electro-acoustic transducer, and headphone set patent thumbnailVoice coil unit, electro-acoustic transducer, and headphone set
A voice coil unit for a dynamic electro-acoustic transducer is disposed in a magnetic circuit, outputs acoustic waves through driving of a diaphragm in response to digital signals, and includes coils that are each composed of a multi-strand wire and receive different digital signals.. .
Kabushiki Kaisha Audio-technica


05/19/16
20160142041 
 Acoustic wave device, transceiver device, and mobile communication device patent thumbnailAcoustic wave device, transceiver device, and mobile communication device
An acoustic wave device includes: an acoustic wave chip including an acoustic wave element formed therein; a multilayered substrate including the acoustic wave chip mounted on an upper surface thereof; a first ground terminal formed on a lower surface of the multilayered substrate and electrically coupled to a ground electrode of the acoustic wave chip; a second ground terminal formed on the lower surface; a signal terminal formed on the lower surface and electrically coupled to a signal electrode of the acoustic wave chip; and a shield layer formed at least on the upper surface, on the lower surface, or between the lower surface and the upper surface of the multilayered substrate so as to overlap with at least a part of the acoustic wave chip, not electrically coupled to the first ground terminal in the multilayered substrate, and electrically coupled to the second ground terminal.. .
Taiyo Yuden Co., Ltd.


05/19/16
20160139251 
 Object information acquiring apparatus and control method thereof, and acoustic signal acquiring apparatus and control method thereof patent thumbnailObject information acquiring apparatus and control method thereof, and acoustic signal acquiring apparatus and control method thereof
Provided is an object information acquiring apparatus having: a receiver in which a plurality of receiving elements to receive acoustic signals based on an acoustic wave propagated from an object is disposed on a two-dimensional surface, the plurality of receiving elements being divided into a plurality of receiving element groups including at least one receiving element respectively; a corrector that corrects signals received by the receiver; and a processor that acquires characteristic information in the object using the signals corrected by the corrector, wherein the receiver receives the acoustic signals for each of the plurality of receiving element groups with a time difference, and acquires the received signals, and the corrector corrects a time-based deviation.. .
Canon Kabushiki Kaisha


05/19/16
20160138095 
 Molecular manipulation system and method patent thumbnailMolecular manipulation system and method
A molecular manipulation system for investigating molecules, having a sample holder constructed to hold a sample comprising a plurality of molecules attached on one side to a surface in the sample holder and on another side attached to a microbead of a plurality of microbeads. The system having; an acoustic wave generator to generate an acoustic wave exerting a force on the microbeads in the sample; and a detector device to detect a response of the plurality of microbeads in the sample on the force exerted by the acoustic wave to investigate the molecules attached to the microbeads..
Stichting Vu-vumc


05/19/16
20160137167 
 Ultrasonically clearing precipitation patent thumbnailUltrasonically clearing precipitation
A system for clearing precipitation from a window comprises one or more transducers (1-8) fixed to the window. The transducers are driven by a generator (13) to produce surface acoustic waves that propagate through the window.
Echovista Gmbh


05/19/16
20160135689 
 Photoacoustic image-generating apparatus and light source control method patent thumbnailPhotoacoustic image-generating apparatus and light source control method
At least a tip portion of a puncture needle 15 is inserted into a subject. The puncture needle 15 includes a light guide member which guides light from a laser unit 13, and a light emission unit which is provided in the vicinity of the tip portion and emits light guided by the light guide member, and generates a photoacoustic wave caused by light from the light emission unit in the tip portion.
Fujifilm Corporation


05/19/16
20160135688 
 Object information acquiring apparatus patent thumbnailObject information acquiring apparatus
Provided is an object information acquiring apparatus including: a holding member that has a curvature and holds an object; a conversion element that receives an acoustic wave propagating from the object via the holding member and outputs an electrical signal; a driving unit that moves at least one of the conversion element and the holding member so that an acoustic wave reception surface of the conversion element is not parallel to a tangential plane of the holding member at a position at which a normal line of the acoustic wave reception surface drawn from the conversion element crosses the holding member; and an information processor that acquires specific information inside the object using the electrical signal.. .
Canon Kabushiki Kaisha


05/12/16
20160134257 
 Surface acoustic wave device having end-to-end combinable selectable electrode sub-elements patent thumbnailSurface acoustic wave device having end-to-end combinable selectable electrode sub-elements
A described surface acoustic wave device includes a piezoelectric substrate and a configurable electrode assembly. The assembly includes: an array of n rows of m electrically isolated elongated electrode sub-elements arranged end-to-end in columns; a first signal bus proximate to the first row of the n rows; a first matrix of row addressable switches configured to electrically couple the first signal bus with a respective electrode sub-element of the first row of electrode sub-elements; a second signal bus proximate to the nth row of the n rows; a second matrix of addressable row switches configured to electrically couple the second signal bus with a respective electrode sub-element of the nth row of electrode sub-elements; and a plurality of addressable column switches, each addressable column switch respectively configured to electrically couple an electrode of a column of the m columns with an end-to-end adjacent electrode of the same column..
Elwha Llc


05/12/16
20160134256 
 Surface acoustic wave device having selectable electrode elements patent thumbnailSurface acoustic wave device having selectable electrode elements
Described embodiments include a surface acoustic wave device, method, and apparatus. The device includes a piezoelectric substrate and a configurable electrode assembly.
Elwha Llc


05/12/16
20160134255 

Surface acoustic wave device and apparatus including the same


A surface acoustic wave device includes: a piezoelectric substrate; an interdigital transducer disposed on the piezoelectric substrate, the interdigital transducer being configured to transduce a driving signal into a surface acoustic wave, and transduce a reflected surface acoustic wave into a response signal; a reflector arranged on the piezoelectric substrate and configured to reflect the surface acoustic wave input from the interdigital transducer; a first antenna disposed on the piezoelectric substrate, the first antenna extending radially from the interdigital transducer, and the first antenna being configured to receive the driving signal and transmit the response signal; and a second antenna disposed on the piezoelectric substrate, the second antenna extending radially from the interdigital transducer to be asymmetrical with respect to the first antenna, and the second antenna being configured to receive the driving signal and transmit the response signal.. .
Samsung Electro-mechanics Co., Ltd.


05/12/16
20160134009 

Planar inverted-f wing antenna for wireless culinary appliances


A planar inverted-f wing antenna (pifwa) device, system, and method used for commercial and residential induction cooking tops, ovens, combo-steamers, and pressure cookers. The outline of the pifwa is an isosceles triangle with a truncated vertex end opposite the base side.
Knowles Capital Formation Inc.


05/12/16
20160133821 

Surface acoustic wave device having matrices of combinable selectable electrode sub-elements


Described embodiments include a surface acoustic wave device, method, and apparatus. The device includes a piezoelectric substrate and a configurable electrode assembly.
Elwha Llc


05/12/16
20160133820 

Surface acoustic wave device having combinable selectable electrode sub-elements


Described embodiments include a surface acoustic wave device, method, and apparatus. The device includes a piezoelectric substrate and a configurable electrode assembly.
Elwha Llc


05/12/16
20160131520 

Fiber optic distributed vibration sensing with directional sensitivity


Methods for determining separate velocity components of an acoustic wavefield that are incident on a distributed fiber optic sensor are disclosed. A fiber optic sensor includes fiber that is spatially distributed in non-parallel planes of a three-dimensional volume having three orthogonal axes.
Schlumberger Technology Corporation


05/12/16
20160131481 

Mems inertial sensing using acoustic waves


A mems structure includes a generating diaphragm, one or more wave channels, and one or more sensing diaphragm. A method for inertial sensing comprises driving the generating diaphragm to generate an acoustic wave, passing the acoustic wave through a channel in the mems structure to the sensing diaphragm, and measuring a relative phase of the wave at the sensing diaphragm to determine acceleration or rotation of the mems structure..

05/12/16
20160131114 

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit


A heat/acoustic wave conversion component includes a partition wall that defines a plurality of cells extending from a first end face to a second end face, and has a cell hydraulic diameter hd of 0.4 mm or less, an end face open frontal area of 60% or more and 93% or less, and heat capacity per unit length in the extending direction that tends to decrease with distance from the first end face. A first end portion on the first end face side that accounts for a region of 10% of a total length of the heat/acoustic wave conversion component has 1.1 times or more the heat capacity of that of a second end portion on the second end face side that accounts for a region of 10% of the total length..
Ngk Insulators, Ltd.


05/12/16
20160130934 

Method and a system for monitoring a logging tool position in a borehole


The invention relates to the area of borehole acoustics, in particular, to monitoring a logging tool position in a borehole, namely detection and estimation of a borehole logging tool eccentricity based on the measurement and analysis of mixed surface waves waveforms. The method is characterized by the steps of registering acoustic signals generated by passage of acoustic waves in the borehole while logging and detecting the misalignment of the logging tool to the axis of the borehole by the presence of mixed surface waves.
Schlumberger Technology Corporation


05/12/16
20160128579 

Probe and subject information acquiring apparatus


A probe includes a plurality of element groups, the element group including a first element and a plurality of second elements which are arranged in a first direction, the plurality of element groups being arranged in a second direction intersecting with the first direction. An acoustic lens having a curvature in the first direction is arranged on the first element.
Canon Kabushiki Kaisha


05/05/16
20160126930 

Bulk acoustic wave resonator comprising a ring


An acoustic resonator includes a first electrode disposed over a substrate; a piezoelectric layer disposed over the first electrode; and a second electrode disposed over the piezoelectric layer; a passivation layer disposed over the second electrode and a ring disposed between the substrate and the passivation layer. .
Avago Technologies General Ip (singapore) Pte. Ltd.


05/05/16
20160126928 

Electroacoustic transducer having reduced losses due to transverse emission and improved performance due to suppression of transverse modes


An electroacoustic transducer has reduced loss due to acoustic waves emitted in the transverse direction. For this purpose, a transducer comprises a central excitation area, inner edge areas flanking the central excitation area, outer edge areas flanking the inner edge areas, and areas of the busbar flanking the outer edge areas.
Epcos Ag


05/05/16
20160126927 

Surface acoustic wave element and manufacturing the same


The present invention relates to a surface acoustic wave element and a method of manufacturing the same, and more specifically, to a surface acoustic wave element and a method of manufacturing the same, the element including a piezoelectric substrate; a plurality of idt electrodes formed on the piezoelectric substrate; a plurality of resonator electrodes formed on the piezoelectric substrate; a wiring metal layer formed as a wiring area to electrically connect the plurality of idt electrodes and the plurality of resonator electrodes; and an insulation layer formed on the piezoelectric substrate, the plurality of idt electrodes, the plurality of resonator electrodes and the wiring metal layer.. .
Wisol Co., Ltd.


05/05/16
20160124080 

Method and producing an acoustic field


A plurality of control points are defined having a known spatial relationship relative to an array of transducers. An amplitude is assigned to each control point.
Ultrahaptics Limited


05/05/16
20160122032 

Aircraft fuel vent pipe


An aircraft fuel vent pipe with a pipe body containing a duct which extends along a duct axis between an open end and a closed end. A burst disc closes the closed end of the duct.
Airbus Operations Limited


04/28/16
20160119711 

Waveguide for shaping sound waves


An acoustic waveguide includes a plurality of projections to redirect sound waves to obtain a desired wave front, such as a flat plane wave front or an asymmetric curved wave front. The waveguide includes two waveguide members that are mirror images of each other.
Robert Bosch Gmbh


04/28/16
20160118956 

Surface acoustic wave resonator and surface acoustic wave filter device


In a surface acoustic wave resonator, a first idt electrode defining a first idt and a second idt electrode defining a second idt are located on a first principal surface of a piezoelectric substrate. A direction of an electric field applied to the first idt electrode and a direction of an electric field applied to the second idt electrode are opposite to each other with respect to a direction of a projected axis resulting from projecting a c-axis of the piezoelectric substrate to the first principal surface of the piezoelectric substrate..
Murata Manufacturing Co., Ltd.


04/28/16
20160116445 

Photoacoustic imager and photoacoustic image construction method


A photoacoustic imager includes a light source portion, a detection portion that detects a photoacoustic wave signal caused by a photoacoustic wave generated from a detection object in a specimen that absorbs light applied from the light source portion, and a signal processing portion that corrects a reduction in the signal intensity of the photoacoustic wave signal resulting from attenuation of the photoacoustic wave and generates a photoacoustic wave image by prescribed signal processing.. .
Prexion Corporation


04/28/16
20160113625 

Ultrasonic diagnostic apparatus and method therefor


An ultrasonic diagnostic apparatus and an ultrasonic diagnostic method are provided. The ultrasonic diagnostic apparatus includes: a transducer for performing interconversion between an acoustic wave and an electric signal; and a transmitter for controlling the transducer so as to allow a plurality of plane waves to be transmitted through a plurality of sub-apertures..
Samsung Medison Co., Ltd.


04/28/16
20160113506 

Acoustic wave detection device and acoustic wave detection method


An acoustic wave detection device comprises an interference film formed of two opposing reflective layers; a first light source configured to irradiate light to the interference film and capable of changing a wavelength of the light; a photodetector configured to detect an intensity of reflected light; a signal acquisition unit configured to acquire an electrical signal based on a change of the intensity of the reflected light; a wavelength acquisition unit configured to acquire a reference wavelength, which is a wavelength of the measurement light emitted when measurement is performed on a first point on the interference film; and a wavelength control unit configured to determine the wavelength of the measurement light emitted when the measurement is performed on a second point on the interference film based on the reference wavelength.. .
Canon Kabushiki Kaisha


04/21/16
20160112030 

Acoustic wave device, filter, and duplexer


acoustic wave device includes: a piezoelectric substrate; a first idt located on the piezoelectric substrate; and a second idt located on the piezoelectric substrate and connected in series to the first idt, wherein the first idt and the second idt share a single common bus bar as a first bus bar of two bus bars of the first idt and a first bus bar of two bus bars of the second idt, and the common bus bar has a width not more than two times a wavelength of an acoustic wave propagating through the first and second idts, the common bus bar connects to no dummy electrode finger facing a tip of an electrode finger connected to a second bus bar of the two bus bars of the first idt and the second idt across a gap.. .

04/21/16
20160112029 

Acoustic wave device


An acoustic wave device 10 is an end surface reflection-type acoustic wave device and includes a substantially rectangular-parallelepiped composite substrate 15 in which a piezoelectric substrate 12 and a supporting substrate 14 are joined together, with a pair of idt electrodes 16 and 18 provided on the substrate 12 in such a manner as to be intercalated with each other. A chipping size in a first side face 12a of the substrate 12 is 1/10 of a wavelength π of an acoustic wave or smaller, the face 12a extending orthogonally to a direction of acoustic-wave propagation.

04/21/16
20160109606 

Acoustic anisotropy and imaging by means of high resolution azimuthal sampling


In an acoustic logging system utilizing one or more acoustic sources, each with a specified radiation pattern around a source orientation, an acoustic signal is transmitted into a formation with a source oriented in a first source orientation. An acoustic waveform is received in response with a receiver oriented in a first direction.

04/21/16
20160109603 

Method and characterizing elastic anisotropy for transversely isotropic unconventional shale


A method for estimating elastic properties of a subsurface material having a bedding plane includes disposing a single sample of the subsurface material in a core holder, the core holder having (i) a first acoustic transducer set having a first acoustic source and a first acoustic receiver and (ii) a second acoustic transducer set having a second acoustic source and a second acoustic receiver. The method also includes performing at least five acoustic wave velocity measurements on the single sample that include compressional acoustic wave velocities and shear wave acoustic velocities with a certain direction of shear acoustic wave polarization using the first set of acoustic transducers and the second set of acoustic transducers, estimating, with a controller, the elastic properties using the at least five acoustic wave velocity measurements, and providing an output signal having the elastic properties to an output signal receiving device..

04/21/16
20160109572 

Neutralization of a target with an acoustic wave


An embodiment of an apparatus includes a transducer array and a controller that is operable to cause the transducer array to generate a signal having a frequency, and to direct the signal toward an object having a resonant frequency that is approximately equal to the frequency of the signal. For example, an embodiment of a mine-hunting-and-neutralizing apparatus may generate an acoustic wave with a transducer array, and may disable or destroy a mine by directing the wave toward the mine.

04/21/16
20160109415 

Object information acquiring apparatus


An object information acquiring apparatus includes: a plurality of detecting elements each receiving an acoustic waves having propagated from an object irradiated with light and outputting an electrical signal; a probe that supports the plurality of detecting elements so that a high-resolution region in which directivity axes of at least part of the plurality of detecting elements converge is formed; a processor acquiring specific information on the object using the electrical signal; and a memory storing correction data for correcting the electrical signals output by the plurality of detecting elements, and used when the processor acquires the specific information.. .

04/21/16
20160109322 

Leak detection using acoustic wave transducer


The present disclosure relates to a leak detection apparatus that includes an acoustic wave actuator mounted within a hermetically sealed chamber. The hermetically sealed chamber isolates a fluid medium from an external atmosphere and the acoustic wave actuator propagates an acoustic wave through the fluid medium.

04/21/16
20160108730 

Three-phase flow identification and rate detection using acoustic guide array


An apparatus for estimating a fraction of each component of a fluid of interest flowing in a cased borehole and a property of the fluid includes an acoustic waveguide sensor having a waveguide configured to guide an acoustic signal along a waveguide path and an array of acoustic transducers coupled to the waveguide for transmitting and receiving an acoustic signal, the acoustic waveguide sensor being configured to transmit and receive a compression-wave acoustic signal that is reflected off of the casing and transmit and receive a shear-wave acoustic signal that propagates along the path. A controller is coupled to the waveguide sensor and configured to perform a compression-wave acoustic measurement on the fluid using the acoustic waveguide sensor in order to estimate the fraction of each component of the fluid and to perform a shear-wave acoustic measurement in order to estimate the property of the fluid..

04/21/16
20160106455 

Activation features for ultrasonic surgical instrument


An ultrasonic instrument comprises a handle assembly or other kind of body configured to receive an ultrasonic transducer and a shaft assembly having an acoustic waveguide and an ultrasonic blade. The ultrasonic blade is in acoustic communication with the acoustic waveguide such that the ultrasonic transducer is operable to drive the ultrasonic blade to vibrate ultrasonically via the acoustic waveguide.

04/21/16
20160106377 

Photoacoustic imager and photoacoustic imaging method


A photoacoustic imager includes a light source portion, a detection portion, and an imaging portion, and the imaging portion is configured to generate a photoacoustic wave image indicating a detection object in motion by acquiring difference data of signals acquired on the basis of a plurality of photoacoustic wave signals detected at different times of generated photoacoustic wave signals.. .

04/21/16
20160106374 

Photoacoustic wave signal converter and probe incorporating photoacoustic wave signal converter


A photoacoustic wave signal converter includes a receiving portion that receives a photoacoustic wave signal generated from a detection object in a specimen that has absorbed light, detected by an ultrasonic probe and a signal conversion portion that generates a conversion signal corresponding to an ultrasonic signal generated when the ultrasonic probe receives an ultrasonic wave on the basis of the photoacoustic wave signal received by the receiving portion and outputs the conversion signal that is generated to an ultrasonic imager.. .

04/14/16
20160105745 

Acoustic apparatus and operation


A portable acoustic warning device which projects a specific acoustic waveform towards a target, creating a narrow beam of sound that is highly selective, minimising exposure to users and bystanders, whilst enabling a controlled dosage of sound to be applied to the target. The design of the device is tailored to this waveform thus achieving a very high degree of directivity.

04/14/16
20160105231 

Beamforming devices and methods


Devices and methods are provided for directionally receiving and/or transmitting acoustic waves and/or radio waves for use in applications such as wireless communications systems and/or radar. High directional gain and spatial selectivity are achieved while employing an array of receiving antennas that is small as measured in units of the wavelength of radio waves being received or transmitted, especially in the case of spatially oversampled arrays.

04/14/16
20160101436 

Tunable ultrasound transmitter


The use of power-efficient transmitters to establish acoustic wave energy having low undesirable harmonics is achieved by adjusting the transmitter output waveform to minimize the undesirable harmonics. In one embodiment both the timing and slope of the waveform edges are adjusted to produce the desired output waveform having little or no second harmonics.

04/07/16
20160099734 

Aggregate signal amplification device and method


A surface acoustic wave (saw) filter that receives an aggregate circuit and outputs two or more sub-signals on outputs each of a different frequency band. The sub-signals are amplified by low noise amplifiers and, in one implementation, the amplified sub-signals can be summed.
Skyworks Solutions, Inc.


04/07/16
20160099705 

Acoustic wave device


An acoustic wave device includes: a substrate; a piezoelectric film located on the substrate; a lower electrode and an upper electrode facing each other across at least a part of the piezoelectric film; a silicon oxide film located at an opposite side of at least one of the lower electrode and the upper electrode from the piezoelectric film; a non-oxygen-containing insulating film located between the at least one of the lower electrode and the upper electrode and the silicon oxide film; and an additional film located at an opposite side of the silicon oxide film from the non-oxygen-containing insulating film and made of a material different from a material of the silicon oxide film.. .
Taiyo Yuden Co., Ltd.


04/07/16
20160097942 

Acoustic absorber having a roughened surface for ao devices


An acousto-optic (ao) device includes an ao crystal having a plurality of faces including a first face and a second face. An input transducer bonded to the first face (top electrode) for receiving a radio frequency (rf) signal and launching bulk acoustic waves (baws) configured to interact with an optical beam propagating in the ao crystal, wherein the baws are received at least in part by the second face after interacting with the optical beam.
Gooch And Housego Plc


04/07/16
20160097744 

Method for determining acoustic velocity in a porous medium


At least two samples of a porous medium with different lengths are exposed to acoustic waves emitted by a source. For each sample, acoustic wave arrival times are registered at a receiver and acoustic propagation velocity in the porous medium is determined by analyzing changes in the arrival times relative to changes in the lengths of the samples..
Schlumberger Technology Corporation


03/31/16
20160094919 

Condenser microphone unit and manufacturing the same


A condenser microphone unit includes a diaphragm vibrated by acoustic waves, a fixed electrode disposed to face the diaphragm, and an insulation base making contact with a rim portion of the fixed electrode to support the fixed electrode, wherein a ring-shaped protrusion is provided on a rim portion of the insulation base, the ring-shaped protrusion protruding toward the fixed electrode with a radially inward taper and having a ring-shaped distal face to oppose the rim portion of the fixed electrode, the distal face of the ring-shaped protrusion supports the rim portion of the fixed electrode, and an adhesive is provided on a tapered surface of the ring-shaped protrusion positioned between the insulation base and the fixed electrode, the adhesive having property to shrink by curing. When the adhesive is cured, contact portions of the insulation base and the fixed electrode are tightly bonded together..
Kabushiki Kaisha Audio-technica


03/31/16
20160094201 

Surface acoustic wave filter device and duplexer


A surface acoustic wave filter device includes surface acoustic wave filters, one of which includes a longitudinally coupled resonator-type first filter section and a longitudinally coupled resonator-type second filter section. The second filter section is electrically connected in parallel or series with the first filter section on at least one of an input signal side and an output signal side.
Murata Manufacturing Co., Ltd.


03/31/16
20160091415 

Object information acquiring apparatus


An apparatus includes a light source that generates light; a light irradiation unit that causes an acoustic wave to be generated from an object by irradiating a light irradiation region on a surface of the object with the light; a reception unit that receives the acoustic wave; an acoustic lens that is disposed such that the reception unit can selectively receive the acoustic wave from a predetermined direction; a moving unit that moves a focal point of the acoustic lens inside the object in an in-plane direction of the light irradiation region; and an acquisition unit that acquires information on a characteristic of the object based on the reception result of the reception unit, wherein the size of the focal point formed by the acoustic lens is smaller than the light irradiation region.. .
Canon Kabushiki Kaisha


03/31/16
20160090970 

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit


A heat/acoustic wave conversion component includes a partition wall that defines a plurality of cells extending from a first end face to a second end face and mutually converts heat exchanged between the partition wall and the working fluid and energy of acoustic waves resulting from oscillations of the working fluid. Hydraulic diameter hd of the heat/acoustic wave conversion component is 0.4 mm or less, where the hydraulic diameter hd is defined as hd=4×s/c, where s denotes an area of a cross-section of each cell perpendicular to the cell extending direction and c denotes a perimeter of the cross section.
Ngk Insulators, Ltd.


03/24/16
20160088387 

Acoustical transverse horn for controlled horizontal and vertical sound dispersion


An acoustical horn is disclosed which is configured to re-direct spherical acoustic wave fronts radiated from a transducer with a minimum amount of distortion. The acoustical horn includes top and bottom portion which are asymmetrically-shaped with respect to each other..

03/24/16
20160086596 

Acoustic reflectors


An acoustic reflector comprises a shell surrounding a solid elastomeric core free of joints. The shell transmits acoustic waves incident on the surface of the shell partially into the core to be focused and reflected from an area of the shell located opposite to the area of incidence so as to provide a reflected acoustic signal output from the reflectorpartially around the circumference of the shell and to combine constructively with the reflected acoustic signal output.
Subsea Asset Location Technologies Limited


03/24/16
20160084239 

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit


A heat/acoustic wave conversion component includes a partition wall that defines a plurality of cells, inside of the cells being filled with fluid that oscillates to transmit acoustic waves, the heat/acoustic wave conversion component mutually converting heat exchanged between the partition wall and the fluid and energy of acoustic waves resulting from oscillations of the fluid. The plurality of cells have an average of hydraulic diameters hds that is 0.4 mm or less in a plane perpendicular to the cell extending direction, the heat/acoustic wave conversion component has an open frontal area at each end face of 60% or more and 93% or less, and distribution of hydraulic diameters hds of the plurality of cells has relative standard deviation that is 2% or more and 30% or less..
Ngk Insulators, Ltd.


03/24/16
20160084238 

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit


A heat/acoustic wave conversion component includes a plurality of monolithic honeycomb segments each including a partition wall that defines a plurality of cells extending between both end faces, and the plurality of monolithic honeycomb segments each mutually converts heat exchanged between the partition wall and the working fluid in the cells and energy of acoustic waves resulting from oscillations of the working fluid. In the heat/acoustic wave conversion component including the plurality of honeycomb segments each being monolithic configured, hydraulic diameter hd of the cells is 0.4 mm or less, open frontal area of the honeycomb segments is 60% or more and 93% or less, heat conductivity of the honeycomb segments is 5 w/mk or less, and a ratio hd/l of the hydraulic diameter hd to the length l of the honeycomb segment is 0.005 or more and less than 0.02..
Ngk Insulators, Ltd.


03/24/16
20160084237 

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit


A heat/acoustic wave conversion component having a first end face and a second end face, includes a partition wall that defines a plurality of cells extending from the first end face to the second end face, inside of the cells being filled with working fluid that oscillates to transmit acoustic waves, the heat/acoustic wave conversion component mutually converting heat exchanged between the partition wall and the working fluid and energy of acoustic waves resulting from oscillations of the working fluid. Hydraulic diameter hd of the heat/acoustic wave conversion component is 0.4 mm or less, where the hydraulic diameter hd is defined as hd=4×s/c, where s denotes a cross-sectional area of each cell perpendicular to the cell extending direction and c denotes a perimeter of the cross section, and the heat/acoustic wave conversion component has three-point bending strength of 5 mpa or more..
Ngk Insulators, Ltd.


03/24/16
20160084198 

Heat/acoustic wave conversion unit


A heat/acoustic wave conversion unit includes a heat/acoustic wave conversion component and two heat exchangers. Hydraulic diameter hd of the cells in the heat/acoustic wave conversion component is 0.4 mm or less, and a ratio hd/l of hd to the length l of the heat/acoustic wave conversion component is from 0.005 to 0.02.
Ngk Insulators, Ltd.


03/24/16
20160081557 

Photoacoustic imaging probe


Some embodiments of the present disclosure provide a photoacoustic imaging probe including a light transmitting unit configured to transmit light to a target subject to be inspected and an acoustic-wave receiving unit configured to receive an acoustic wave generated from the target subject by being irradiated with the light and to accommodate the light transmitting unit therein in a manner that a first side of the light transmitting unit is exposed to outside.. .
Alpinion Medical Systems Co., Ltd.


03/24/16
20160081556 

An apparatus configurated to and a process to photoacousticall image and measure a structure at the human eye fundus


An apparatus configured to photoacoustically image and measure a structure at the human eye fundus or components, substances, cells, tissue, or analytes within the eye and within the blood vessels of the eye including an emitter element for emitting electro-magnetic radiation, a transition element for delivering the electro-magnetic radiation into an eye, a detection element for detecting an acoustic wave and converting the acoustic wave into a digital wave signal, an analysis element for processing the digital wave signal into an image or measurement or both, and a display element for displaying a representation of the image and/or the measurement. The apparatus additionally includes a coupling member, the coupling member being configured and arranged to acoustically couple the eye to the detection element such that the acoustic wave generated within the eye can be guided onto the detection element..
Ophthametrics Ag


03/17/16
20160079957 

Surface acoustic wave device


A surface acoustic wave device includes a piezoelectric substrate, a dielectric film, idt electrodes, and a resin member. The surface acoustic wave device includes a resin contact region where the piezoelectric substrate and the resin member are in direct contact with each other.
Murata Manufacturing Co., Ltd.


03/17/16
20160078857 

Extraordinary acoustic absorption induced by hybrid resonance and electrical energy generation from sound by hybrid resonant metasurface


A sound absorbing metamaterial comprises an acoustic impedance-matched surface configured to minimize reflection from an incident acoustic wave. The surface is comprised of an elastic or flexible membrane and a substantially rigid mass mounted on the membrane.
The Hong Kong University Of Science And Technology


03/17/16
20160078779 

Wireless stethobroadcasting instrument for medical training


A method and system provides improved auscultation training for medical students and other healthcare providers. The system includes an instructor stethoscope which generates an acoustic output corresponding to an ausculatory sound from the patient.

03/17/16
20160077615 

Method and differentiating touch screen users based on touch event analysis


Some embodiments of the present invention include a method of differentiating touch screen users based on characterization of features derived from the touch event acoustics and mechanical impact and includes detecting a touch event on a touch sensitive surface, generating a vibro-acoustic waveform signal using at least one sensor detecting such touch event, converting the waveform signal into at least a domain signal, extracting distinguishing features from said domain signal, and classifying said features to associate the features of the domain signal with a particular user.. .
Qeexo, Co.


03/17/16
20160077236 

Electromagnetic sensing borehole acoustics


An example method for determining borehole acoustics using an electromagnetic sensing apparatus may include positioning a downhole tool within a borehole disposed in a formation. The downhole tool may comprise at least one acoustic source and at least one electromagnetic (em) sensor.
Halliburton Energy Services, Inc.


03/17/16
20160076949 

Wireless culinary probe calibration method and system


A system and method to calibrate a temperature probe through immersion in a substance of known change of state temperature. The saturated surface acoustic wave (saw) probe temperature signal is calculated, overcoming oven reference temperature variability..
Knowles Capital Formation Inc.


03/17/16
20160076019 

System and sonic radiation for influencing cellular structures


A system and method for the present invention requires use of a generator, in combination with a radiation unit, to radiate acoustic waveform energy onto a target tissue (i.e. A cellular structure).
Strathspey Crown Holdings, Llc


03/17/16
20160074061 

Ultrasonic surgical instrument with retractable integral clamp arm


An ultrasonic instrument comprises a handle assembly configured to receive an ultrasonic transducer, a shaft assembly having an acoustic waveguide and an ultrasonic blade, and a retractable clamp arm. The ultrasonic blade is in acoustic communication with the acoustic waveguide such that the ultrasonic transducer is operable to drive the ultrasonic blade to vibrate ultrasonically via the acoustic waveguide.
Ethicon Endo-surgery, Inc.


03/17/16
20160074060 

Ultrasonic surgical instrument with removable clamp arm


An ultrasonic instrument comprises a handle assembly or other kind of body configured to receive an ultrasonic transducer, a shaft assembly having an acoustic waveguide and an ultrasonic blade, and a removable clamp arm. The ultrasonic blade is in acoustic communication with the acoustic waveguide such that the ultrasonic transducer is operable to drive the ultrasonic blade to vibrate ultrasonically via the acoustic waveguide.
Ethicon Endo-surgery, Inc.


03/17/16
20160073888 

Photoacoustic apparatus


In a photoacoustic apparatus, a light source irradiates an inspection target with pulsed light; a detector detects acoustic waves generated in the inspection target due to interaction of the pulsed light with the inspection target, and outputs detection signals corresponding to the detected acoustic waves; a light-quantity measurement unit measures the quantity of the light output from the light source; and a signal processor obtains information on an inside of the inspection target by using the detection signals output from the detector. The signal processor also corrects intensities of the detection signals so as to suppress variations in intensities of the detection signals caused by a temporal change in the quantity of the light..
Canon Kabushiki Kaisha


03/10/16
20160073207 

Sound based navigation using a portable communications device


Sound based navigation using a portable communications device is presented herein. A portable communications device can include a speaker for generating a sound, and microphone(s) for receiving a reflection of the sound—the reflection including an acoustic wave that has been reflected from an object.
Invensense, Inc.




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

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