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Acoustic Wave

Acoustic Wave-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Loudspeaker module
Goertek Inc.
February 15, 2018 - N°20180048964

A loudspeaker module includes, but is not limited to, an independent housing enclosing a sealed cavity. The independent housing is provided with an opening communicating the cavity with the exterior. The loudspeaker module further includes, but is not limited to, a loudspeaker unit including, but not limited to, a vibration system, a magnetic circuit system and a casing and a ...
Bulk-acoustic wave filter device
Samsung Electro-mechanics Co., Ltd.
February 15, 2018 - N°20180048291

A bulk-acoustic wave filter device includes: a first substrate; a first filter disposed on the first substrate, within a cavity of the bulk-acoustic wave filter device; a second substrate coupled to the first substrate; a second filter disposed on the second substrate, within the cavity and facing the first filter; a first inductor layer disposed on the first substrate and ...
Acoustic wave device and method of fabricating the same
Taiyo Yuden Co., Ltd.
February 15, 2018 - N°20180048290

A method of fabricating an acoustic wave device includes: forming a piezoelectric thin film resonator and a second lower electrode on a substrate, the piezoelectric thin film resonator having a resonance region in which a first lower electrode and a first upper electrode face each other across a piezoelectric film, the piezoelectric film and the first upper electrode are not ...
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Acoustic Wave Patent Applications
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  • 368+ full patent PDF documents of Acoustic Wave-related inventions.
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Lithium tantalate single crystal substrate, bonded substrate, manufacturing method of the bonded substrate, and surface ...
Shin-etsu Chemical Co., Ltd.
February 15, 2018 - N°20180048283

The lithium tantalate single crystal substrate is a rotated y-cut litao3 single crystal substrate having a crystal orientation of 36° y-49° y cut characterized in that: the substrate is diffused with li from its surface into its depth such that it has a li concentration profile showing a difference in the li concentration between the substrate surface and the ...
Bonded substrate, surface acoustic wave element, surface acoustic wave device, and method of manufacturing bonded ...
University Of Yamanashi
February 15, 2018 - N°20180048282

There is provided a bonded substrate including: a quartz substrate; and a piezoelectric substrate which is bonded on the quartz substrate and on which a surface acoustic wave propagates, wherein the quartz substrate and the piezoelectric substrate are bonded at a bonding interface through covalent bonding, and a surface acoustic wave element having a higher phase velocity and a higher ...
Detection assembly, touch display device, touch positioning method and pressure detection method
Beijing Boe Optoelectronics Technology Co., Ltd.
February 15, 2018 - N°20180046302

A detection assembly, a touch display device, a touch positioning method and a pressure detection method are provided. The detection assembly includes: a first substrate; an acoustic wave generation device provided on the first substrate; an acoustic wave detection device which is provided on the first substrate and at a side, away from the first substrate, of the acoustic wave ...
Acoustic Wave Patent Pack
Download 368+ patent application PDFs
Acoustic Wave Patent Applications
Download 368+ Acoustic Wave-related PDFs
For professional research & prior art discovery
inventor
  • 368+ full patent PDF documents of Acoustic Wave-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Thermoacoustic cooling device
Public University Corporation Osaka City University
February 15, 2018 - N°20180045435

A thermoacoustic cooling device includes a tube in which a working fluid is enclosed; a first stack that generates acoustic waves in the working fluid with use of a temperature gradient; a first high-temperature heat exchanger provided at a first side of the first stack to heat the first side of the first stack; a first low-temperature heat exchanger provided ...
Systems and methods for modifying acoustic waves based on selective heating
The Aerospace Corporation
February 15, 2018 - N°20180043473

An acoustic wave is modified by initiating excitation of an acoustic wave from a first location on a substrate to a second location on the substrate and selectively heating the second location of the substrate so as to alter a property of the second location. With such arrangements, the altered property of the second location modifies the acoustic wave to ...
Acoustic wave image generating apparatus and method
Fujifilm Corporation
February 15, 2018 - N°20180042576

There is provided an acoustic wave image generating apparatus and method capable of obtaining an image with good visibility of a needle. In a case where ultrasound waves having an intensity distribution centered on a first direction are transmitted to a subject, ultrasound echoes return from the subject. Ultrasound echo data indicating the ultrasound echoes are phased and added along ...
Multiplexer
Taiyo Yuden Co., Ltd.
February 08, 2018 - N°20180041194

A multiplexer includes: a first filter that includes a piezoelectric thin film resonator and is connected between a common terminal and a first terminal, the piezoelectric thin film resonator being located on a substrate; a second filter that includes an acoustic wave resonator and is connected between the common terminal and a second terminal, the acoustic wave resonator including an ...
Saw filter device and method of manufacturing the same
Samsung Electro-mechanics Co., Ltd.
February 08, 2018 - N°20180041191

A surface acoustic wave (saw) filter device includes: a first layer disposed on a substrate; an inter-digital transducer (idt) electrode layer disposed on the first layer; a second layer covering the idt electrode layer and the first layer; and an overlay layer covering the second layer, wherein the first layer includes any one or any combination of any two or ...
High-frequency module
Murata Manufacturing Co., Ltd.
February 08, 2018 - N°20180041188

A high-frequency module includes a longitudinally coupled surface acoustic wave filter and a low-noise amplifier that is connected to the surface acoustic wave filter. The input impedance of the surface acoustic wave filter connected to the low-noise amplifier differs from the output impedance thereof. On a smith chart, the output impedance in the pass band of the surface acoustic wave ...
Surface acoustic wave elements having improved resistance to cracking, and methods of manufacturing same
Skyworks Filter Solutions Japan Co., Ltd.
February 08, 2018 - N°20180041187

Examples are directed to suppressing crack development in a surface acoustic wave (saw) element including a double-layered idt electrode. In one example the saw element includes a piezoelectric substrate, a comb-shaped electrode formed on a top surface of the piezoelectric substrate, and an insulation layer formed on the top surface of the piezoelectric substrate to cover the comb-shaped electrode. The ...
Acoustic Wave Patent Pack
Download 368+ patent application PDFs
Acoustic Wave Patent Applications
Download 368+ Acoustic Wave-related PDFs
For professional research & prior art discovery
inventor
  • 368+ full patent PDF documents of Acoustic Wave-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Audio device
Bose Corporation
February 01, 2018 - N°20180035186

An audio device with a structure such as an acoustic waveguide, and first and second spaced acoustic transducers that are carried by the structure. A controller is adapted to change the location of the dominant sound source produced by the transducers together in the far field. The device can also be used in a method of facilitating speech communication between ...
Multiplexer
Taiyo Yuden Co., Ltd.
February 01, 2018 - N°20180034443

A multiplexer includes: a first filter including a series resonator connected in series and a parallel resonator connected in parallel between a common terminal and a first terminal, each of the series resonator and the parallel resonator including an idt located on a piezoelectric substrate, first and second regions being alternately located in an extension direction of electrode fingers, which ...
Acoustic wave resonator
Avago Technologies General Ip (singapore) Pte. Ltd.
February 01, 2018 - N°20180034440

An acoustic resonator structure includes an acoustic stack. The acoustic stack comprises: a substrate having a first surface and a second surface; a piezoelectric layer disposed over the substrate, the piezoelectric layer having a first surface, and a second surface. The first surface of the substrate, or the second surface of the piezoelectric layer, comprises a plurality of features; and ...
Acoustic wave resonator
Avago Technologies General Ip (singapore) Pte. Ltd.
February 01, 2018 - N°20180034439

Temperature compensation of an acoustic stack is disclosed. A first temperature compensation layer is disposed between a first surface of a substrate and a second surface of a piezoelectric layer; and a second temperature compensation layer is disposed over the plurality of electrodes. A temperature coefficient of frequency (tcf) of the acoustic stack is approximately zero (0. 0) over a frequency range ...
Acoustic device for forming a wall of sound underwater
Fish Guidance Systems Limited
February 01, 2018 - N°20180033423

An acoustic device for forming a wall of sound underwater. Walls of sound are useful in water for guiding fish away from areas. Hitherto, systems have used bubbles of water to facilitate the speed of travel of the sound. Those systems have suffered from the ability to maintain a consistent wall of bubbles and have often been inefficient. The present ...
Method for an automatic detection of acoustic reflectors and their parameters from borehole acoustic array ...
Baker Hughes, A Ge Company, Llc
February 01, 2018 - N°20180031723

Methods, systems, devices, and products for formation evaluation. Methods include automatically characterizing an acoustic reflective boundary in the earth formation by: generating a plurality of multipole acoustic signals within the borehole; generating acoustic wave data at at least one acoustic receiver on the logging tool in response to a plurality of acoustic reflections of acoustic waves from a corresponding plurality ...
Rearward acoustic diffusion for ultrasound-on-a-chip transducer array
Butterfly Network, Inc.
February 01, 2018 - N°20180028159

A heat sink device has a non-planar mounting surface and an ultrasonic transducer substrate attached to the non-planar mounting surface. The non-planar mounting surface of the heat sink device is configured to diffuse acoustic waves that are incident thereupon.
Subject information obtaining apparatus and method for obtaining information regarding subject
Canon Kabushiki Kaisha
February 01, 2018 - N°20180028067

A subject information obtaining apparatus sets certain sensitive regions corresponding to a plurality of acoustic wave detection elements on the basis of a sensitivity distribution of the plurality of acoustic wave detection elements, obtains, using an initial sound pressure obtaining unit, initial sound pressure in a region of interest without using a detection signal corresponding to the region of interest ...
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