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Piezo

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


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NEW Acoustic wave filter with enhanced rejection
Resonant Inc.
June 22, 2017 - N°20170179928

An acoustic filter comprises a piezoelectric layer, an acoustic resonator structure monolithically disposed on the piezoelectric layer, a lumped capacitive structure monolithically disposed on the piezoelectric layer and being electrically coupled to the acoustic resonator structure. The acoustic resonator structure comprises an arrangement of planar interdigitated resonator fingers, and each of the interdigitated capacitive fingers has an edge that is ...
NEW Piezoelectric device and method for manufacturing piezoelectric device
Murata Manufacturing Co., Ltd.
June 22, 2017 - N°20170179925

In a method of manufacturing a piezoelectric device in which a piezoelectric thin film on which functional conductors are formed is fixed to a support substrate by a fixing layer, an alignment mark is formed on one main surface of a light-transmitting piezoelectric substrate. A sacrificial layer is formed on a main surface of the piezoelectric substrate with reference to ...
NEW Film bulk acoustic wave resonator (fbar) having stress-relief
Avago Technologies General Ip (singapore) Pte. Ltd.
June 22, 2017 - N°20170179924

An acoustic resonator structure comprises: a substrate having a cavity, which has a plurality of sides; a first electrode disposed over the cavity; a piezoelectric layer disposed over a portion of the first electrode and extending over at least one of the sides; and a second electrode disposed over the piezoelectric layer, an overlap of the first electrode, the piezoelectric ...
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NEW Resonator and resonating device
Murata Manufacturing Co., Ltd.
June 22, 2017 - N°20170179922

A resonator is provided that suppresses vibration of a retainer caused by undesired vibration of a vibrating portion and also achieves size reduction. Specifically, the resonator includes a vibrating member that includes a semiconductor layer, a first piezoelectric film formed on the semiconductor layer, and a first upper electrode formed on the first piezoelectric film. Moreover, a retainer is provided ...
NEW Piezoelectric device for generating electrical voltage
Arveni
June 22, 2017 - N°20170179852

An electrical voltage-generating piezoelectric device comprising at least a first blade (1) with a curved portion (10) defining a first arm (11) and a second arm (12) of the blade, the first arm (11) being intended to be fastened to a fixed support, the second arm (12) being substantially flat and having a free end (120) designed to oscillate around its resting position under the effect of ...
NEW Production method for composite substrate
Arveni
June 22, 2017 - N°20170179371

(c) a step of flattening the entire surface of the piezoelectric substrate to remove at least a part of an altered layer formed by the machining using the ion beam or the neutral atom beam in the step (b).
NEW Piezo Patent Pack
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Piezo Patent Applications
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  • 1180+ full patent PDF documents of Piezo-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.
NEW Platform communications through piezoelectric vibrations in a pcb medium
Intel Corporation
June 22, 2017 - N°20170179369

A system and method of communicating among electronic devices on a platform. The method includes inducing, at a first device coupled to a substrate, mechanical vibrations in the substrate. Then the method further includes receiving the mechanical vibrations through the substrate at a second device coupled to the substrate. The mechanical vibrations are interpreted as a command to the second ...
NEW Vibrating plate structure and piezoelectric element application device
Intel Corporation
June 22, 2017 - N°20170179368

The thickness of the first layer and the thickness of the second layer are represented by dv1 and dv2.
NEW Piezoelectric vibrator
Sii Crystal Technology Inc.
June 22, 2017 - N°20170179366

A piezoelectric vibrator element is more stably bonded to reduce the displacement with respect to an external force. The piezoelectric vibrator element is provided with a pair of vibrating arm parts extending from a base, and support arm parts extending from the base on both outer sides of the vibrating arm parts in parallel thereto. Further, the piezoelectric vibrator element ...
NEW Piezoelectric device for ultrasonic sensor
Seiko Epson Corporation
June 22, 2017 - N°20170179365

A piezoelectric device includes a substrate with a cavity, a vibrating plate which is provided on the substrate so as to block an opening surface of the cavity, and a piezoelectric element which is provided on a surface of the vibrating plate opposite to the cavity, including a first electrode, a piezoelectric layer, and a second electrode, in which the ...
NEW Carbon nanotube transducers on propeller blades for sound control
Amazon Technologies, Inc.
June 22, 2017 - N°20170178618

The present disclosure is directed to controlling, reducing, and/or altering sound generated by an aerial vehicle, such as an unmanned aerial vehicle (“uav”), while the aerial vehicle is airborne. For example, one or more transducers, such as piezoelectric thin-film transducers, or carbon nanotube transducers may be applied or incorporated into or on the surface of ...
NEW Touch input device and electronic device
Murata Manufacturing Co., Ltd.
June 22, 2017 - N°20170177106

A touch input device that includes a housing which has an insulation property; a piezoelectric element group which includes a plurality of piezoelectric elements which produce charges when stretched in a direction parallel to a flat film surface; and an adhesive member which adheres the piezoelectric element group to a back surface of the housing.
NEW Optical fiber scanner, illuminating device, and observation apparatus
Olympus Corporation
June 22, 2017 - N°20170176742

Provided is an optical fiber scanner including: an illumination optical fiber; an annular elastic member formed of an elastic material having an engagement hole that engages with the illumination optical fiber; and a plurality of piezoelectric elements fixed to the annular elastic member, each piezoelectric element being polarized in a radial direction of the illumination optical fiber and applied an ...
NEW Piezo Patent Pack
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Piezo Patent Applications
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inventor
  • 1180+ full patent PDF documents of Piezo-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.
NEW Device for detecting holding state of an object
Murata Manufacturing Co., Ltd.
June 22, 2017 - N°20170176268

A device for detecting a holding state of an object. The device includes a housing for the object that has a shape that can be held by an operator and a piezoelectric sensor attached to the housing. Moreover, a detecting unit can detects a holding state of the housing by using a fluctuation amount of an output voltage of the ...
NEW Smart washer for pre-load monitoring
Cameron International Corporation
June 22, 2017 - N°20170175792

A pre-load monitor is arranged for use between a between a washer face of a fastener and a bearing surface of a fixture arranged to receive a portion of a shank of the fastener. The pre-load monitor, which can be in the form of a washer, includes a piezoelectric generator which generates the electrical power to measure, monitor and report ...
NEW Acoustic downhole oil-water separation
Saudi Arabian Oil Company
June 22, 2017 - N°20170175509

Systems and method for separating hydrocarbon fluids from water and solid material within a main tubular of a subterranean well include locating a transducer assembly within the subterranean well, the transducer assembly including a plurality of piezo electric transducers spaced along a length of the main tubular. Standing acoustic waves are generated with the plurality of piezo electric transducers, the ...
NEW Methods and compositions for using argonaute to modify a single stranded target nucleic acid
The Regents Of The University Of California
June 22, 2017 - N°20170175104

The present disclosure provides compositions, kits, genetically modified cells, non-human transgenic organisms, and methods for binding and/or cleaving a single stranded target nucleic acid. A method of cleaving includes contacting a single stranded target nucleic acid with (e. G., introducing into a cell) a subject argonaute (ago) polypeptide and a guide rna (e. G., having a 5′-oh). In ...
NEW Piezoelectric transducers on propeller blades for sound control
Amazon Technologies, Inc.
June 22, 2017 - N°20170174334

The present disclosure is directed to controlling, reducing, and/or altering sound generated by an aerial vehicle, such as an unmanned aerial vehicle (“uav”), while the aerial vehicle is airborne. For example, one or more transducers, such as piezoelectric thin-film transducers, or carbon nanotube transducers may be applied or incorporated into or on the surface of ...
NEW Liquid discharge apparatus and method for producing the same
Brother Kogyo Kabushiki Kaisha
June 22, 2017 - N°20170173958

A liquid discharge apparatus includes: a pressure chamber; a film covering the pressure chamber; a piezoelectric element disposed on the film and including a piezoelectric part, a first electrode, and a second electrode, wherein the first electrode is disposed on a first side of the piezoelectric part facing the pressure chamber, and the second electrode is disposed on a second ...
NEW Liquid discharging apparatus, head unit provided in liquid discharging apparatus, and control method of liquid ...
Seiko Epson Corporation
June 22, 2017 - N°20170173948

A liquid discharging apparatus includes a first piezoelectric element that includes a pair of electrodes including a first electrode and that is displaced according to a potential change of a driving signal in a case where the driving signal is supplied to the first electrode, a reference piezoelectric element that includes a pair of electrodes including a reference electrode, an ...
NEW System and method for detecting bending of an electrosurgical device
Covidien Lp
June 22, 2017 - N°20170172689

A system for detecting bending of an electrosurgical device includes a strain relief configured to be coupled to a shaft of an electrosurgical device, a piezoelectric actuator disposed within the strain relief and configured to bend upon bending of the electrosurgical device, and a bending detection circuit in electrical communication with the piezoelectric actuator and configured to detect a bending ...
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