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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
04/28/16
20160119711 
 Waveguide for shaping sound waves patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailAcoustic 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 patent thumbnailAcoustic 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 patent thumbnailAcoustic 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 patent thumbnailMethod 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 patent thumbnailNeutralization 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.


03/10/16
20160072477 

Duplexer, filter and communication module


A duplexer includes: a transmit filter that is connected between an antenna terminal and a transmit terminal and has a plurality of acoustic wave resonators; a receive filter that is connected between the antenna terminal and a receive terminal and has a plurality of acoustic wave resonators; and a delay line or a longitudinal coupling type resonator that is connected in parallel with at least one of the plurality of acoustic wave resonators of the transmit filter and the plurality of acoustic wave resonators of the receive filter and has at least two idts (interdigital transducers).. .
Taiyo Yuden Co., Ltd.


03/10/16
20160070827 

Network synthesis design of microwave acoustic wave filters


A method of designing an acoustic microwave filter in accordance with frequency response requirements. The method comprises selecting an initial filter circuit structure including a plurality of circuit elements comprising at least one resonant element and at least one other reactive circuit element, selecting circuit response variables based on the frequency response requirements, selecting a value for each of the circuit elements based on the selected circuit response variables to create an initial filter circuit design, transforming the resonant element(s) and the other reactive circuit element(s) of the initial filter circuit design into at least one acoustic resonator model to create an acoustic filter circuit design, adding parasitic effects to the acoustic filter circuit design to create a pre-optimized filter circuit design, optimizing the pre-optimized filter circuit design to create a final filter circuit design, and constructing the acoustic microwave filter based on the final filter circuit design..
Resonant Inc.


03/10/16
20160070378 

Device and audible and tactile interaction between objects


A device and a method for allowing a noncommunicating object to communicate comprises a processing module that provides a user interface that is capable of detecting an event on an area of the user interface, a control module for characterizing the detected event and a communication module for generating a message containing the characterization information from the detected event and receiving a digital message containing information for triggering an action that is associated with the event. The device also comprises piezoelectric means that are coupled to the processing module and capable of generating a mechanical vibration in the passive surface, which transforms the vibration into an acoustic wave in audio transmission mode, or of producing a mechanical vibration from an acoustic wave in audio reception mode..
Commissariat A L'energie Atomique Et Aux Energies Alternatives


03/10/16
20160070014 

Guided acoustic waves isolation system for downhole applications


An apparatus for estimating a property of a subsurface material includes a carrier configured to convey an acoustic wave guide though a borehole. The acoustic wave guide includes an acoustic plate configured to guide an acoustic wave along a path of the plate and an acoustic reservoir coupled to the acoustic plate and at least partially surrounding the acoustic plate.
Baker Hughes Incorporated


03/10/16
20160069837 

Object information acquiring apparatus


An object information acquiring apparatus includes: a matching solution that is prepared by adding, to a solvent, a solute having a higher hydrophilicity than the solvent, and propagates an acoustic wave generated from an object; a plurality of acoustic wave detection elements that receives the acoustic wave via the matching solution; a support that supports the plurality of acoustic wave detection elements so that directional axes of at least a part of the acoustic wave detection elements converge, and holds the matching solution; a position control unit that changes the positional relationship between the object and the support; and an acquisition unit that acquires characteristic information on the object based on the reception result for each positional relationship of the plurality of acoustic wave detection elements.. .
Canon Kabushiki Kaisha


03/10/16
20160066793 

Object information acquiring apparatus


An object information acquiring apparatus including a receiver provided with: a plurality of detecting elements which receive an acoustic wave from an object and generate an electrical signal and provided with a container-shaped supporter which supports the plurality of detecting elements; and a tank which holds an acoustic matching liquid; and a flow path which connects the tank with a liquid inlet port and a liquid discharge port provided in the receiver, the object information acquiring apparatus further including: a liquid circulator which controls a flow of the acoustic matching liquid; a uv irradiator which irradiates the acoustic matching liquid with ultraviolet light onto; and a processor which uses the electrical signal to generate property information on the interior of the object.. .
Canon Kabushiki Kaisha


03/10/16
20160066792 

Object information acquiring apparatus


An object information acquiring apparatus employed in the present invention includes: a plurality of transducers that generate an electric signal upon reception of an acoustic wave from a measurement subject; a supporter that supports the plurality of transducers such that directional axes of at least a part of the plurality of transducers are gathered together; a point sound source; means for controlling relative positions of the measurement subject and the supporter; a processor that determines respective distances from the plurality of transducers to a focus position of the measurement subject and generates property information relating to the focus position; and a corrector that determines correction data.. .
Canon Kabushiki Kaisha


03/03/16
20160065323 

Coded imaging and multi-user communications systems


A coded imaging and multi-user communications systems using novel codes, algorithms to develop such codes, and technological implementations to use the codes for various types of systems involving multiple (or single) transmitters and multiple (or single) receivers of signals (which could include but are not limited to electromagnetic radiation, acoustic waves, other types of waves or data) as a function of time- or-space.. .
The Governors Of The University Of Alberta


03/03/16
20160065175 

Surface acoustic wave filter, surface acoustic wave filter device, and duplexer


A surface acoustic wave filter includes a longitudinally coupled resonator first filter section and a longitudinally coupled resonator second filter section that is electrically connected to the first filter section in parallel or in series and that is provided next to the first filter section in a surface acoustic wave propagation direction. The first filter section includes a first interdigital transducer group arranged in the surface acoustic wave propagation direction.
Murata Manufacturing Co., Ltd.


03/03/16
20160065174 

Ladder filter and duplexer


A ladder filter includes a plurality of series-arm resonators and parallel-arm resonators including surface acoustic wave resonators. A metallization ratio of the series-arm resonator having the smallest electrostatic capacity among the plurality of series-arm resonators is the smallest among the plurality of series-arm resonators and an electrode finger pitch of the series-arm resonator having the smallest electrostatic capacity is the largest among electrode finger pitches of the plurality of series-arm resonators..
Murata Manufacturing Co., Ltd.


03/03/16
20160065171 

Film bulk acoustic resonators comprising backside vias


An film bulk acoustic wave resonator (fbar) structure has an fbar and a via disposed substantially directly beneath the fbar. The via is in thermal contact with the fbar.
Avago Technologies General Ip (singapore) Pte. Ltd.


03/03/16
20160065162 

Advanced thermally compensated surface acoustic wave device and fabrication


This disclosure relates to a method of fabrication of a surface acoustic wave device comprising the step (a) of providing a piezoelectric structure, the step (b) of providing a dielectric structure, wherein the step (b) comprises a step (b1) of metalizing the dielectric structure, and the method further comprising the step (c) of bonding the metalized dielectric structure to the piezoelectric structure.. .
Soitec


03/03/16
20160061930 

Method and device for phase-based localization of a target device using interval analysis


Location of underwater moving target device carrying a receiver configured to detect acoustic waves emitted at a known location is estimated such that to be consistent with detected velocity and orientation of the target device, and with a current phase of a signal corresponding to the acoustic waves detected at the target device. A stack including one or more boxes obtained by applying contractors to location boxes is output as the estimate of the location of the moving target device..
Cgg Services Sa


03/03/16
20160061650 

Probe for an optoacoustic imaging device


A probe for an optoacoustic imaging device has an irradiator and a detector. The irradiator includes a light-emitting semiconductor element light source that irradiates a tested object with light.
Xtrillion, Inc.


03/03/16
20160059265 

Use of pulsed thermal radiation and nano-particles for the effective generation of sound waves in khz range


Disclosed herein is a high-efficiency kilohertz-range acoustic wave generator using a pulsed thermal radiation beam and nanoparticles. A vibration (pulse) generating means having a suspension structure is provided behind a light interrupter.
Jeju National University Industry-academic Cooperation Foundation


03/03/16
20160059264 

Use of pulsed thermal radiation and nano-structures for the effective generation of sound waves in khz range


Disclosed herein is a high-efficiency kilohertz-range acoustic wave generator using a pulsed thermal radiation beam and a nanostructure. A nanorod unit having a high thermal expansion coefficient is provided behind a light interrupter so that the efficiency of generating acoustic waves can be enhanced.
Jeju National University Industry-academic Cooperation Foundation


03/03/16
20160059012 

Acoustic transmitter and implantable receiver


Among other things, in general, an acousto-mechanical transducer for the interconversion of electricity and acoustic waves is described. Methods are also described for the construction of such transducers..
Dalhousie University


03/03/16
20160058297 

Device and in vivo flow cytometry using the detection of photoacoustic waves


A photoacoustic flow cytometry (pafc) device for the in vivo detection of cells circulating in blood or lymphatic vessels is described. Ultrasound transducers attached to the skin of an organism detect the photoacoustic ultrasound waves emitted by target objects in response to their illumination by at least one pulse of laser energy delivered using at least one wavelength.
Board Of Trustees Of The University Of Arkansas


03/03/16
20160058295 

Photoacoustic wave measurement apparatus and photoacoustic wave measurement method


A measurement region of an object on which irradiation of light is performed and detection of photoacoustic waves is controlled is set based on positional information of a specific region within a captured surface image of the object.. .
Canon Kabushiki Kaisha


03/03/16
20160058294 

Object information acquiring apparatus


An object information acquiring apparatus includes: a receiving element configured to receive an acoustic wave generated by emission of light from a light source on an object and output an electric signal; an amplifying unit configured to amplify the electric signal; a scanning unit configured to move relative positions of the receiving element and the object; a controlling unit configured to determine a gain of the amplifying unit according to time when the receiving element receives the acoustic wave; and a processing unit configured to acquire characteristics information on the object, using the electric signal. The controlling unit determines the gain of the amplifying unit according to a positional relation between the receiving element and the object..
Canon Kabushiki Kaisha


03/03/16
20160058293 

Photoacoustic imager


This photoacoustic imager includes a detection portion, a light-emitting semiconductor element light source portion arranged in proximity to the detection portion, and a sealing portion configured to propagate an acoustic wave generated by a detection object to the detection portion by sealing a surface of the detection portion on a front side in a detection direction where a specimen is arranged with respect to the detection portion and arranged on the front side in the detection direction where the specimen is arranged with respect to the detection portion.. .
Xtrillion, Inc.


03/03/16
20160058292 

Photoacoustic imager


This photoacoustic imager includes a light-emitting element, an acoustic wave detection portion and a light source driving portion, and the light source driving portion is configured to substantially null the value of current flowing in the light-emitting element by stopping supplying power to the light-emitting element on the basis of that the value of the current flowing in the light-emitting element has reached a prescribed current value.. .
Xtrillion, Inc.


03/03/16
20160058289 

Optoacoustic wave detector and optoacoustic imaging device


An optoacoustic imaging device has an optoacoustic wave detector, a cross-sectional image generator, and an image former. The optoacoustic wave detector has a light source for irradiating a light absorber inside a tested object with light, and has an acoustoelectric converter.
Xtrillion, Inc.


03/03/16
20160058265 

Dishwasher using oscillatory flow generated from thermoacoustic effect


Disclosed herein is a dishwasher using oscillatory flow generated from thermoacoustic effect. The dishwasher is configured such that thermoacoustic waves having high amplitude are generated from solar energy rather than electric energy, wherein the thermoacoustic waves make oscillating waves be directly transmitted to an air column and a water column formed in a closed end of a dishwashing pipeline.
Jeju National University Industry-academic Cooperation Foundation


02/25/16
20160056793 

Ladder-type surface acoustic wave filter including series and parallel resonators


A ladder-type surface acoustic wave filter assembly includes a plurality of series resonators formed on a substrate and connected between an input terminal and an output terminal. A first series resonator has a lowest resonance frequency among the plurality of series resonator.
Skyworks Panasonic Filter Solutions Japan Co., Ltd.


02/25/16
20160056792 

Flip chip type saw band reject filter design


A method and system for providing a surface acoustic wave band reject filter are disclosed. According to one aspect, a surface acoustic wave band reject filter includes a substrate having electrode bars and bonding pads formed on the substrate.
Telefonaktiebolaget L M Ericsson (publ)


02/25/16
20160053611 

System and using pressure pulses for fracture stimulation performance enhancement and evaluation


A system and method of applying periodic energy pulses to a portion of a wellbore, fracture(s), and/or near wellbore to interrogate and/or stimulate at least a portion of the wellbore, fracture(s), and/or near wellbore. The system includes a downhole device that is configured to deliver periodic energy pulses to a portion of the wellbore.
Baker Hughes Incorporated


02/25/16
20160051311 

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


02/25/16
20160051228 

Composition for acoustic-wave probe, and silicone resin for acoustic-wave probe, acoustic-wave probe and ultrasonic probe using the same, as well as device for measuring acoustic wave, ultrasonic diagnosis device, device for measuring photo acoustic wave and ultrasonic endoscope


A composition for an acoustic-wave probe, containing a polysiloxane mixture, in which the polysiloxane mixture contains: a polysiloxane having a vinyl group; a polysiloxane having at least two si—h groups in the molecular chain thereof; and silica particles having an average primary particle size of less than 12 nm.. .
Fujifilm Corporation


02/25/16
20160051227 

Acoustic diodes and methods of using same


Acoustic diodes, devices incorporating such diodes; and methods of using such devices are disclosed. An acoustic diode may include a periodic acoustic grating and a uniform plate.
Nanjing University


02/25/16
20160051148 

Optoacoustic imaging device


An optoacoustic imaging device has a light source module which irradiates a tested object with light, a light source driver which drives and controls the light source module, a detector which detects an optoacoustic wave generated inside the tested object as a result of the tested object being irradiated with the light, an image generator which generates still image information based on a detection signal from the detector, and an acquirer which acquires an organ pulsation signal. The organ pulsation signal is used as a trigger to make the light source driver drive the light source module and to make the image generator generate the still image information..
Xtrillion, Inc.


02/18/16
20160049920 

Acoustic wave element, duplexer, and communication module


An acoustic wave element of the present disclosures has a piezoelectric substrate and an acoustic wave resonator s1 on a main surface of the piezoelectric substrate. The acoustic wave resonator s1 is one being divided into a first idt electrode and a second idt electrode which are electrically connected to the first idt electrode.
Kyocera Corporation


02/18/16
20160049919 

Acoustic wave device


An acoustic wave device includes: a support substrate; a piezoelectric substrate that is jointed on the support substrate; a plurality of acoustic wave elements that are provided on the piezoelectric substrate; and an interconnection line that is provided on the piezoelectric substrate and couples the plurality of acoustic wave elements, wherein: the piezoelectric substrate of a first area, on which the plurality of acoustic wave elements are provided, is remained; the piezoelectric substrate of a second area, on which the interconnection line is provided, is remained; the piezoelectric substrate of a third area is for cutting the support substrate; and the piezoelectric substrates of a fourth area is other than the first area, the second area and the third area, the fourth area having a fifth area in which at least a part of the piezoelectric substrate is removed.. .
Taiyo Yuden Co., Ltd.


02/18/16
20160045185 

Photoacoustic imager


This photoacoustic imager includes a light source portion, a detection portion, an amplification portion and an imaging portion, and the amplification portion is so configured that an acoustic gain which is a gain of the amplification portion for amplifying a detection signal resulting from an acoustic wave is larger than an ultrasonic gain which is a gain of the amplification portion for amplifying a detection signal resulting from an ultrasonic wave.. .
Xtrillion, Inc.


02/11/16
20160043008 

Optical acoustic substrate assessment system and method


A system and method for identifying one or more characteristics of a structure formed into a substrate is herein disclosed. Surface and bulk acoustic waves are induced in the substrate and travel past a structure of interest where the acoustic waves are sensed.

02/11/16
20160041359 

Alignment device and transmitter/receiver system with two angular degrees of freedom


An alignment device, having two angular degrees of freedom is provided. The alignment device is adjustable such that it is suitable for aligning a first apparatus with respect to a second apparatus.
Servomex Group Limited


02/11/16
20160038932 

Methods and apparatuses for acoustic treatment of samples


A treatment vessel may allow a user, or automated system, to manipulate sample material within a treatment area during processing (e.g., focused acoustic treatment), as well as subject the sample material to a staged processing protocol. The vessel may include openings for receiving/discharging the sample material.
Covaris, Inc.


02/11/16
20160038123 

Method for generating an enhanced image of a volume of tissue


A method and system for generating an enhanced image of a volume of tissue, comprising: emitting acoustic waveforms toward the volume of tissue; detecting acoustic signals derived from acoustic waveforms interacting with the volume of tissue; generating a reflection rendering of a region of the volume of tissue; generating at least one of a sound speed map and an attenuation map of the region of the volume of tissue; generating a transfer map derived from a set of sound speed parameter values of the sound speed map and/or a set of acoustic attenuation parameter values of the acoustic attenuation map, the set of sound speed parameter values and the set of acoustic attenuation parameters associated with the set of elements of the region of the volume of tissue; and rendering an enhanced image of the volume of tissue, derived from processing of the reflection rendering with the transfer map.. .
Delphinus Medical Technologies, Inc.


02/04/16
20160036410 

Surface acoustic wave device


A surface acoustic wave device includes, on a substrate, functional electrode units each including at least one idt electrode, wiring electrodes connected to the functional electrode units, insulation films provided between the wiring electrode and the substrate, and a support member that surrounds the functional electrode units and at least a portion of the wiring electrodes. A thickness of the support member is larger than a thickness of the insulation films, and the insulation films and the support member are made of the same material..
Murata Manufacturing Co., Ltd.


02/04/16
20160035960 

Acoustic resonator and manufacturing the same


An acoustic resonator is provided in which loss of acoustic waves in a transverse direction may be reduced through a cavity formed in an acoustic resonance unit including a first electrode, a piezoelectric layer, and a second electrode, and in which acoustic waves in a longitudinal direction may be reduced by forming an air gap between the acoustic resonance unit and a substrate. Whereby, a quality factor may be improved..
Samsung Electro-mechanics Co., Ltd.


02/04/16
20160030000 

Ultrasound waveform tomography method and system


A method and system for generating an enhanced image of a volume of tissue, the method comprising: emitting acoustic waveforms toward the volume of tissue; detecting a set of acoustic signals derived from acoustic waveforms interacting with the volume of tissue; generating, from the set of acoustic signals, an initial model representing a distribution of an acoustomechanical parameter across a region of the volume of tissue; extracting a set of frequency components, from the set of acoustic signals; generating a first simulated wavefield with a first frequency component of the set of frequency components; generating an updated model of the initial model with the first simulated wavefield; iteratively refining the updated model with a set of simulated wavefields associated with the set of frequency components until a threshold condition is satisfied, thereby producing a final model; and generating the enhanced image from the final model of the volume of tissue.. .
Delphinus Medical Technologies, Inc.


02/04/16
20160029895 

Object information acquiring apparatus


The present invention uses an object information acquiring apparatus having: an optical transmitter that transmits light and emits the light to an object; a first optical meter disposed at the incidence side of the optical transmitter; a second optical meter disposed at the emission side of the optical transmitter; a calculator that calculates an equation that indicates the relationship between the fluence of light measured by the first optical meter and the fluence of light measured by the second optical meter; a probe that receives an acoustic wave that is generated from the object due to the light emitted by the optical transmitter and converts the acoustic wave; and a processor that acquires specific information about the inside of the object.. .
Canon Kabushiki Kaisha


01/28/16
20160028373 

High 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


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


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


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


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


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


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


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


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


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




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

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