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Matches 351 - 400 out of 20,151

Document Document Title
WO/2016/039138A1
This stretchable film laminate (100) comprises a laminate (102) and external electrodes (31, 32). The laminate (102) is formed by alternately laminating a plurality of stretchable films (21a-21g) and a plurality of main surface electrode...  
WO/2016/034665A1
The invention relates to a MEMS, comprising a membrane, a reciprocating structure, which is coupled to the membrane, and at least two piezoelectric actuators, which are connected, by means of a plurality of connecting elements spaced apa...  
WO/2015/156859A3
A surface micromachined microphone with a 230 kHz bandwidth. The structure uses a 2.25 μιη thick, 305 μιη radius polysilicon diaphragm suspended above an 11 μιη gap to form a variable parallel-plate capacitance. The backcavity o...  
WO/2016/031986A1
The present invention provides a novel ferroelectric thin film containing a uniaxially-oriented crystalline metal oxide having a rhombic fluorite structure. On a crystal substrate having a lattice mismatch of 10% or less (including 0%) w...  
WO/2016/031302A1
 [Problem] To provide a piezoelectric element that is not susceptible to dielectric breakdown or damage even when driven with a high voltage for a long period, and an acoustic generator, an acoustic generation device, and an electronic...  
WO/2016/021244A1
The present invention is provided with a sheet having: a first oscillator (34); a first oscillator region (38); a columnar section (37); and a film section that connects, in the disposition direction (C), a plurality of first upper elect...  
WO/2016/017632A1
This invention provides an electroacoustic conversion film and an electroacoustic converter whereby high-quality sound can be reproduced consistently using a single diaphragm and the reproducible frequency range can be expanded. This inv...  
WO/2015/185028A3
In an electromechanical transducer comprising a plurality of stacked films made of an electroactive polymer, further comprising electrodes that are placed on top of one another, are applied to the films, and are each provided with at lea...  
WO/2016/017475A1
[Problem] To provide: a piezoelectric element with which an acoustic generator having excellent characteristics and a simple configuration can be realized; and an acoustic generator, an acoustic generation device, and an electronic appar...  
WO/2016/017842A1
The present invention provides an ultrasonic transducer comprising: a rotational member rotated by receiving driving force, and including a thrust device; a connection member connected to the rotational member so as to move along a pendu...  
WO/2016/009689A1
This ultrasound observation device comprises a cable part for connecting to a driving device, and an ultrasound transceiver part which is connected to the cable. The ultrasound transceiver part further comprises: a plurality of oscillato...  
WO/2016/006671A1
An ultrasonic sensor provided with: a substrate having at least one opening part 18; a diaphragm 50 provided on the substrate so as to close up the opening part 18; a plurality of first electrodes 14 provided on a side of the diaphragm 5...  
WO/2016/002678A1
 An electro-acoustic conversion film that is suitably used in a digital speaker, etc., wherein the electro-acoustic conversion film has a polymer composite piezoelectric body formed by dispersing piezoelectric particles in a viscoelast...  
WO/2016/002677A1
 The present invention provides an electro-acoustic conversion film which is suitably used in a digital speaker, etc., wherein the electro-acoustic conversion film has a polymer composite piezoelectric body formed by dispersing piezoel...  
WO/2016/002971A1
 An ultrasonic sensor 1 provided with a substrate in which an opening part 18 is formed, a diaphragm 50 provided on the substrate so as to close up the opening part, and an ultrasonic element 10 including a first electrode 14, a piezoe...  
WO/2016/002206A1
Provided is an ultrasonic sensor which achieves a reduction in impedance without deteriorating the characteristics of elements and an improvement in reliability by efficiently drawing out a wire from the elements arranged in an array. An...  
WO/2015/199140A1
Disclosed is an electronic apparatus wherein a cover panel is positioned on the front surface of the electronic apparatus. A display panel has a display element that emits light from itself, said display panel being positioned on the rea...  
WO/2015/194602A1
Provided are: a carbonaceous acoustic matching layer which exhibits satisfactory mechanical strength, in which losses at a layer interface are suppressed as far as possible and in which the degree of variation in acoustic impedance in th...  
WO/2015/190429A1
This piezoelectric device is provided, on a substrate (11), with a support layer (14), a lower electrode (15), a piezoelectric film (16) and an upper electrode (17) in this order. The substrate (11) is provided with a first opening (23) ...  
WO/2015/190322A1
This piezoelectric device is provided with: a substrate (1); a piezoelectric layer (4) which is arranged above the substrate (1) and is supported by the substrate (1) directly or indirectly such that at least a part thereof forms a membr...  
WO/2015/182197A1
[Problem] To provide an acoustic generator having improved sound qualities, an acoustic generation device that is provided with the acoustic generator, and electronic apparatus that is provided with the acoustic generator. [Solution] An ...  
WO/2015/183944A1
In an embodiment, a tile device includes a plurality of piezoelectric transducers elements and a base adjoining and supporting the plurality of piezoelectric transducers elements. The base includes integrated circuitry programmed to succ...  
WO/2015/182663A1
A terminal (V) of a five-pole plug connects to the power supply terminal of a first differential amplifier in an earphone and to the power supply terminal of a second differential amplifier in the earphone. The first and second different...  
WO/2015/173334A1
The invention relates to a MEMS loudspeaker (1) for generating sound waves in the audible wavelength spectrum, having a carrier substrate (2) which has a substrate cavity (6) with two substrate openings (7, 8) formed on two opposite side...  
WO/2015/173333A1
The invention relates to a MEMS acoustic transducer (2) for generating and/or registering acoustic waves in the audible wavelength spectrum, comprising: a diaphragm carrier (40); a diaphragm (30) which is connected by its edge region (37...  
WO/2015/171224A1
A transducer includes first and second piezoelectric layers made of corresponding different first and second piezoelectric materials and three or more electrodes, implemented in two or more conductive electrode layers. The first piezoele...  
WO/2015/167014A1
 Provided is a sound wave detection element having: a porous resin body made from a resin free from dipoles which occur due to molecular and crystalline structures; and a pressure-resistant housing.  
WO/2015/167013A1
 Provided is a sound wave and shock detection element having: a porous resin body made from a resin free from dipoles which are caused by molecular and crystalline structures; and an external force-absorbing sheet.  
WO/2015/162955A1
 Provided are an ultrasonic transducer and an ultrasonic medical apparatus that reduce stress and have excellent vibration transmission efficiency. An ultrasonic transducer (1) is characterized in being provided with: two metal blocks ...  
WO/2015/164200A1
A piezoelectric composite for use in an ultrasonic transducer and a method of forming the same is provided. The composite (100) has a piezoelectric ceramic component (102) and a hydrophobic polymer (104) component arranged to form a 1-3,...  
WO/2015/159603A1
This resin composition contains an epoxy resin (A), a curing agent (B) and an ion exchanger (C). The epoxy resin (A) and/or the curing agent (B) contains a modified silicone (S), and the epoxy resin (A) is composed of at least one substa...  
WO/2015/155989A1
The present invention provides a vehicle ultrasound sensor that is not prone to vibration transmission from an ultrasonic oscillator to a case body or vehicle body and is capable of maintaining stable detection performance and assembly d...  
WO/2015/152015A1
An electroacoustic transducer comprises: a piezoelectric film the principal surface of which expands and contracts according to an electric field; a viscoelastic support which is closely attached to the principal surface of the piezoelec...  
WO/2015/152036A1
This ultrasonic sensor comprises a case (60) and a piezoelectric element (50). The case (60) has a bottom (62), and the piezoelectric element (50) is bonded to the inside surface (62S) of the bottom of the case (60). Together with the bo...  
WO/2015/152044A1
Provided are an ultrasonic vibrator which enables the adjustment of a resonance frequency and the prevention of output leakage of ultrasonic vibration, and a manufacturing method therefor. In a cylindrical casing (5), at least part of a ...  
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...  
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...  
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...  
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-sid...  
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...  
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 ...  
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...  
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...  
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...  
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, ...  
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...  
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 ...  
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...  
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 ...  
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...  

Matches 351 - 400 out of 20,151