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WO/2016/085014A1 |
Disclosed are a multi-layer ultrasonic transducer and a method for manufacturing the same. The multi-layer ultrasonic transducer according to an embodiment of the present invention comprises: an active element consisting of a plurality o...
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WO/2016/080387A1 |
A piece of electronic equipment 10 comprises: a primary surface member 20 that is used as a vibration plate; a casing 30 that supports the primary surface member 20; and a sound generating device 50 that is attached to the casing 30 and ...
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WO/2016/077228A1 |
Providing security features in an audio sensor is presented herein. A micro-electro-mechanical system (MEMS) microphone can include an acoustic membrane that converts an acoustic signal into an electrical signal; an electronic amplifier ...
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WO/2016/071961A1 |
The purpose of the present invention is to provide a spherical ultrasonic wave transducer that can be formed at low cost and with ease. An energy converting part 10 of a spherical ultrasonic wave transducer 6 includes a plurality of piez...
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WO/2016/073362A1 |
An ultrasonic audio system includes adaptive equalization techniques configured to adjust the overall output of the ultrasonic audio system. This can be done by adjusting the equalization of the electronic audio signal representing the a...
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WO/2016/067888A1 |
This electronic apparatus is provided with a panel, a piezoelectric vibrating element, a component, and a cushion material. The panel is provided on a surface of the electronic apparatus. The piezoelectric vibrating element is provided o...
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WO/2016/067667A1 |
[Problem] To provide an acoustic generation element, an acoustic generation device, and an electronic instrument by which sufficient acoustic pressure is obtained by applying a high voltage, mechanical degradation is suppressed even for ...
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WO/2016/068247A1 |
[Problem] To provide a piezoelectric element for which the strong manifestation of piezoelectric resonance at a specific frequency can be suppressed, thereby improving the sound quality of an acoustic generator, and to provide an acousti...
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WO/2016/067681A1 |
Provided is an acoustic transducer device that is worn on a listener's ear for use and that is small in size and light in weight and that excellently prevents the re-reflection of sound waves. An acoustic transducer device 100 comprises ...
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WO/2016/063628A1 |
[Problem] To provide an electroacoustic conversion device capable of producing sound pressure equal to that of a circular laminated piezoelectric element even when a polygonal laminated piezoelectric element is used. [Solution] An electr...
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WO/2016/056500A1 |
[Problem] To provide an electronic apparatus capable of generating a stable vibration throughout a panel. [Solution] An electronic apparatus 1 is provided with: a panel 20 having an approximately rectangular shape; a housing 10 holding s...
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WO/2016/057876A1 |
In one aspect, a speaker is provided having a coil and a diaphragm assembly coupled to the coil. The diaphragm assembly includes a piezo stiffener plate and a flexible membrane, the piezo stiffener plate including at least one piezo laye...
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WO/2016/051486A1 |
[Problem] To provide an ultrasonic vibrator capable of being formed compact while maintaining output, and an ultrasonic medical apparatus. [Solution] This ultrasonic vibrator (1) is provided with: a piezoelectric element unit (3) in whic...
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WO/2016/053745A1 |
A piezoelectric microphone and/or a piezoelectric microphone system is presented herein. In an implementation, a piezoelectric microphone includes a microelectromechanical systems (MEMS) layer and a complementary metal-oxide-semiconducto...
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WO/2016/052582A1 |
[Problem] To provide an electronic device that is capable of generating stable vibration across the whole of a panel. [Solution] The electronic device 1 includes a panel 20, a casing 10 that holds the panel 20, and a piezoelectric elemen...
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WO/2016/046887A1 |
[Problem] To provide an ultrasonic vibrator wherein a resonant frequency can be adjusted, while maintaining drive power, and an ultrasonic treatment tool. [Solution] An ultrasonic vibrator 1 is characterized by being provided with: two m...
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WO/2016/047155A1 |
[Problem] To provide a sound generator, a sound generating device, and an electronic apparatus, wherein sound pressure and sound qualities are improved. [Solution] This sound generator 1 includes a piezoelectric element 11 having a surfa...
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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...
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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...
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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...
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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 ap...
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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...
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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...
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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...
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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...
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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...
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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...
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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 viscoelastic ...
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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 piezoelect...
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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 piezoelec...
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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...
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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...
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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...
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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) ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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.
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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.
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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 (2)...
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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,...
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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...
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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...
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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...
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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...
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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 ...
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