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WO/2015/145795A1 |
[Problem] To provide an acoustic generator, which has excellent sound qualities, and is not susceptible to being affected due to vibration from the outside, an acoustic generation device, and an electronic apparatus. [Solution] An acoust...
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WO/2015/145906A1 |
[Problem] To provide an acoustic generator, which is capable of suppressing a sharp sound pressure change at a specific frequency, and transmitting high-quality sound information by flattening sound pressure characteristic line, and to p...
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WO/2015/147049A1 |
A polymer composite piezoelectric body which is obtained by dispersing piezoelectric particles in a polymer matrix, and wherein the piezoelectric particles contain particles having a particle diameter of from 0.25 times to 1 times (inclu...
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WO/2015/147190A1 |
A mobile phone has a secondary cell, etc. Two film speakers are arranged on the reverse side of a battery holder for accommodating the secondary cell. The film speakers are enclosed by a frame on the periphery thereof, with double-sided ...
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WO/2015/147189A1 |
A back panel of a portable telephone is a principal housing member, and first sound emission holes are provided in the bottom surface thereof. A first speaker holder and a second speaker holder are formed in a mounting frame to which the...
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WO/2015/146446A1 |
[Problem] To provide a universal speaker that efficiently transmits kinetic energy that has been converted from electrical energy of an audio signal to one or more diaphragms, and enables both healthy individuals and the hard of hearing ...
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WO/2015/147355A1 |
An embodiment of the present invention relates to an ultrasonic transducer and, more particularly, to an ultrasonic transducer having a heat radiation structure for efficiently discharging heat generated therein in a process of acquiring...
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WO/2015/142542A1 |
An ultrasonic transducer suitable for use in ultrasonic metering of fluids at extreme temperatures. The ultrasonic transducer includes a piezoelectric crystal, low-density epoxy encasing the piezoelectric crystal, and a cylindrical reinf...
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WO/2015/131732A1 |
A piezoelectric ceramic speaker and a frequency division system for a smart terminal. The piezoelectric ceramic speaker comprises three piezoelectric ceramic pieces having different frequency response widths, namely, a low frequency piez...
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WO/2015/129061A1 |
[Problem] To provide a piezoelectric actuator which is free of disconnection even when a through-hole conductor of a flexible circuit board is arranged at a junction and which also realizes the downsizing of a piezoelectric actuator, and...
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WO/2015/125370A1 |
[Problem] To provide an acoustic generator, a portable terminal, and an electronic apparatus, which have improved sound qualities. [Solution] An acoustic generator (1) of the present invention is provided with a piezoelectric element (11...
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WO/2015/122228A1 |
An ultrasonic transceiver (100) is provided with: a horn (2) that comprises an ultrasonic sensor (1) on one end section (21) thereof and a hollow section (24) that opens in a horn shape from the one end section (21) toward the other end ...
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WO/2015/114849A1 |
This invention provides a piezoelectric element and a piezoelectric vibrating apparatus, a handheld terminal, a sound generator, a sound-generating apparatus, and an electronic device containing said piezoelectric element. Said piezoelec...
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WO/2015/115608A1 |
[Problem] To provide a composite electronic device capable of easily generating high-sound-quality acoustics, and a speaker cartridge and an electronic device which are used for same. [Solution] The composite electronic device has an ele...
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WO/2015/115779A1 |
The present invention relates to a method for producing an intravascular ultrasonic transducer and a structure for same, the method for producing a ultrasonic transducer producing a single element by: forming a piezoelectric element lapp...
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WO/2015/115680A1 |
Disclosed are: a transducer which is provided with multiple types of arrays, and which is capable of integrating the multiple types of arrays into the single transducer; a method for manufacturing same; and an ultrasonic probe which comp...
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WO/2015/111621A1 |
This stacked ultrasonic vibration device (2) is provided with: a stacked piezoelectric body unit (75) in which a plurality of piezoelectric bodies (61) and a plurality of electrode layers (62, 63) are stacked and integrated; a first bond...
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WO/2015/111581A1 |
According to an embodiment of the present invention, provided is a sensor which includes a structural body, a container, a liquid, and a detection unit. The structural body includes a support part and a membrane part. The membrane part i...
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WO/2015/111622A1 |
A laminated ultrasonic vibration device, wherein a plurality of piezoelectric bodies (61) are provided between two mass members (42, 43), using brazing materials (73, 76) each having a smaller elastic constant than the two mass members (...
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WO/2015/112823A1 |
A piezoelectric, poly (γ-benzyl-α,L-glutamate) ("PBLG") planar microphone, and method for construction thereof, are disclosed. The microphone includes at least a polyester film, a piezoelectric, hot pressed poly (γ-benzyl-α,L-glutama...
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WO/2015/106377A1 |
A device and method of operation thereof, used for aiding in psychological or physiological training, the device comprising a sound sensor (201), a signal processing system, a data memory (206), a counting algorithm module (205), a wirel...
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WO/2015/105196A1 |
[Problem] To provide a sound generator capable of generating high-quality sound having little distortion and a sound generating apparatus and electronic device using the same. [Solution] A sound generator is provided with a vibrating bod...
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WO/2015/105197A1 |
[Problem] To provide a sound generator capable of generating high-quality sound having little distortion and a sound generating apparatus and electronic device using the same. [Solution] A sound generator is has a vibrating body (21a) ha...
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WO/2015/102123A1 |
The present invention provides a portable piezoelectric speaker comprising: a body capable of being coupled to and separated from the rear side of an electronic device; and a piezoelectric speaker module fastened to a predetermined regio...
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WO/2015/098090A1 |
The present invention provides an electronic instrument in which a vibration generation unit is attached to a panel, wherein the electronic instrument is capable of further improving sound pressure characteristics. An electronic instrume...
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WO/2015/097056A1 |
The invention relates to a hearing aid (26) that can be introduced into the auditory canal (12) of a patient, comprising an actuator (31) for causing a mechanical stimulation of the eardrum (13). According to the invention, said actuator...
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WO/2015/097035A1 |
The present invention relates to an MEMS sound transducer and to a chip embodied therewith for generating and/or detecting sound waves in the audible wavelength spectrum, comprising a carrier substrate (2), a cavity (3) formed in the car...
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WO/2015/098150A1 |
[Problem] To provide a small, lightweight, thin, low-power-consumption piezoelectric acoustic device that utilizes piezoelectric components and exhibits excellent sound pressure characteristics, and a piezoelectric speaker. [Solution] A ...
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WO/2015/098840A1 |
A cover member is composed of sapphire, and has a first principal surface that faces the display surface of a display unit and a second principal surface that is opposite to the first principal surface. A vibrating portion executes flexu...
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WO/2015/093571A1 |
This ultrasonic sensor contains the following: an ultrasonic transducer, the underside of which is affixed to the surface of a flat plate-shaped base, that contains a piezoelectric transducer element, said piezoelectric transducer elemen...
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WO/2015/088184A1 |
Provided is a method of manufacturing an ultrasonic probe. The method includes forming a sacrificial layer on a substrate; forming a plurality of openings in the sacrificial layer that are separated from one another; forming piezoelectri...
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WO/2015/088016A1 |
An inspection probe comprising a vibration transmission unit which transmits an ultrasound vibration along the longitudinal axis, and a vibration attenuation unit which is continuous with the leading end side of the vibration transmissio...
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WO/2015/083572A1 |
To improve sensitivity of a micro-electromechanical system (MEMS) microphone. A piezoelectric device is provided with: a diaphragm; a supporting section that supports at least a part of an end portion of the diaphragm; a piezoelectric fi...
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WO/2015/080023A1 |
This invention provides a piezoelectric thin film that comprises an aluminum nitride that has an increased piezoelectric coefficient and contains an inexpensive non-scandium element. In said piezoelectric thin film, which comprises an al...
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WO/2015/076407A1 |
A housing member has a primary surface and a side surface. A first sound-output hole is formed in the primary surface, and a second sound-output hole is formed in the side surface. A film speaker comprises a piezo element and a resin fil...
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WO/2015/076321A1 |
When a drive unit (81) applies a drive signal to a piezoelectric film (20A), and applies a magnetic field in a first direction of the piezoelectric film (20A), the piezoelectric film (20A) contracts on the rear-surface side centerward fr...
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WO/2015/076408A1 |
A mobile terminal equipped with a display, a battery positioned on the rear side of the display, and a film speaker positioned on the rear side of the battery.
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WO/2015/077593A1 |
Disclosed is a 2D Matrix Array Backing Interconnect Assembly that provides a structure that enables simple construction of complex wring for an ultrasonic transducer array of desired dimension. A backing interconnect assembly can be prod...
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WO/2015/068868A1 |
An ultrasonic transducer and a manufacturing method therefor are disclosed. The ultrasonic transducer, according to one embodiment of the present invention, comprises: an ultrasonic transducer body generating ultrasonic waves by using an...
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WO/2015/064112A1 |
An electronic apparatus (1) of the present invention has: a panel (10); a housing (60) that holds the panel (10); and a piezoelectric element (30) that is attached to the panel (10). The panel (10) vibrates due to deformation of the piez...
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WO/2015/064421A1 |
In the present invention, a device is provided with a main surface member, a piezoelectric body plate, a first support part, and a housing. The main surface member is used as a vibration plate. The piezoelectric body plate vibrates accor...
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WO/2015/063257A1 |
The invention relates to a headset comprising a surrounding ear cushion (120) and a sound generator which comprises an essentially rigid plate (110) and a drive system (105) for converting electric signals into mechanical oscillations of...
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WO/2015/057887A1 |
A transparent ultrasonic audio speaker includes an emitter and a driver. The emitter can include first and second transparent conductive sheets. The conductive sheets can comprise a base layer and a conductive layer, and can be transpare...
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WO/2015/058065A1 |
The present embodiments relate to techniques (300) and apparatuses (100, 500) for implementing a flexible transducer for soft-tissue audio production. These techniques (300) and apparatuses (100, 500) enable an audio-production device (1...
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WO/2015/051580A1 |
Disclosed is a piezoelectric ceramic sounding element, comprising a piezoelectric ceramic plate and a metal plate attached tightly. The piezoelectric ceramic plate comprises a ceramic sheet, wherein two faces of the ceramic sheet are res...
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WO/2015/053253A1 |
An ultrasonic sensor is provided with a case (10) and a piezoelectric element (20) that is provided on the inner surface (12) of the bottom section (11) of the case and that is subjected to bending vibration together with the bottom sect...
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WO/2015/053014A1 |
A probe (21) provided with a transmission/reception surface (30) longer in a length direction than in a width direction thereof, and a plurality of ultrasonic elements (31) provided to the transmission/reception surface (30), the probe (...
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WO/2015/046288A1 |
An AV device (10) is provided with a piezoelectric film (20), an exciter film (30), a display panel (40), and a securing member (50). The piezoelectric film (20) has a shape ranging over approximately the whole surface of one principal s...
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WO/2015/045993A1 |
A headphone (10) equipped with a headband (11) and sound-emitting units (12L, 12R). The headband (11) is a band-like body bent into an arched shape. The sound-emitting units (12L, 12R) have a flat shape and are arranged on both ends of t...
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WO/2015/041049A1 |
The present invention provides a highly sensitive piezoelectric sensor which suppresses the intrusion of electromagnetic noise in a signal outputted by a piezoelectric element. The present invention is a piezoelectric sensor characterize...
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