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WO/2019/031047A1 |
[Problem] To provide an ultrasonic transducer, a diagnostic ultrasonic probe, a surgical instrument, a sheet type ultrasonic probe, and an electronic device with which it is possible to achieve simultaneously, at low cost, both favorable...
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WO/2019/021583A1 |
A transducer 1 relating to one embodiment of the present invention is provided with: a housing 2 that forms an acoustic space X; and a sheet-like piezoelectric element 3, which is disposed in the acoustic space X, and which has a porous ...
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WO/2019/021815A1 |
Provided is a vibrating apparatus with which sounds of a plurality of desired frequencies can easily be produced, and an advancement in size reduction can be achieved. This vibrating apparatus 1 comprises: a first elastic plate 2a having...
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WO/2019/016514A1 |
An electroacoustic transducer array (110) is described. The electroacoustic transducer array 110 comprises a first electroacoustic transducer (40A) comprising a first active element (41A) and a second electroacoustic transducer (40B) com...
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WO/2019/016515A1 |
An electroacoustic transducer (400) is described. The electroacoustic transducer (400) comprises an active element (410). The electroacoustic transducer (400) comprises an acoustic coupling layer (430) arranged to acoustically couple, in...
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WO/2019/009374A1 |
The present invention addresses the problem of providing a vibration sensor which has low frequency dependence of the output. The present invention provides a vibration sensor 1 which is provided with a supporting body 2, an organic piez...
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WO/2019/003601A1 |
An ultrasound generation member (100) according to the present invention is provided with an ultrasound generation element (10) for emitting ultrasound onto a subject in one specific container (W) from among a plurality of containers.
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WO/2019/003811A1 |
A mounted device according to the present invention is provided with a measurement unit for measuring biological information of a user, and a smartphone is provided with a control unit for performing a predetermined prevention operation ...
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WO/2019/006081A1 |
In some embodiments, endoscopy systems and/or methods of using endoscopy systems are described. In some embodiments, an endoscopy system comprises one or more of piezoelectric elements or hooked blades. In some embodiments, stylets for u...
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WO/2019/001930A1 |
The invention relates to a sound transducer arrangement (1) for generating and/or detecting sound waves in the audible wavelength spectrum, having an acoustic unit (2), which comprises an oscillatable diaphragm (3), having an MEMS unit (...
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WO/2019/004037A1 |
A tabular member comprising a metal, ceramic, or other such material is used as a substrate, there being provided a dense portion (2) provided in the direction of sound wave propagation and a recess (3) partially provided on the vibratio...
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WO/2018/236284A1 |
The invention provides a Diagonal Resonance (DR) mode for sound and ultrasound generation and reception. This new driving mode is made possible due to the anisotropic sound velocity in piezoelectric single crystals. This gives rise to a ...
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WO/2018/230261A1 |
A backing 20 comprises a lead array 24a which electrically connects vibration elements 12 and a plurality of ICs 32. Bumps 42 provided at the lower end of the leads 24 are connected to a conductor pad on an upper-side surface of a relay ...
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WO/2018/231144A1 |
Cost effective connectors of high bending stiffness for making high-performance piezoelectric actuators and derivative devices are disclosed. In one embodiment, the connector has circumferentta!ly alternating recesses of circular cross-s...
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WO/2018/225415A1 |
Proposed is a method for producing a film substrate, by which a film substrate is produced by forming a film on a substrate, said film being capable of operating at high temperatures, by mixing a powder of a ferroelectric body and a sol-...
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WO/2018/227122A1 |
A piezoelectric cymbal transducer for use in piezoelectric power generators may include a piezoelectric element on which electrodes are disposed in a physically parallel configuration. The electrodes comprise a single electrode disposed ...
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WO/2018/221264A1 |
[Problem] To provide an electroacoustic transducer capable of selecting acoustic characteristics desired by a user. [Solution] An electroacoustic transducer according to one embodiment of the present invention is provided with: a housing...
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WO/2018/215669A2 |
A micromechanical acoustic transducer comprises, according to a first aspect, a first bender transducer with a free end and a second bender transducer with a free end which are situated in a common plane, wherein the free end of the firs...
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WO/2018/214321A1 |
Disclosed in the present invention is a piezoelectric microphone, comprising a substrate having a rear cavity, and a piezoelectric film connected to above the substrate via an insulation layer. Multiple through holes are provided in the ...
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WO/2018/216711A1 |
Provided are a piezoelectric-type flat speaker with which a higher than conventional sound pressure can be obtained in a low-frequency range, and a method of forming the same. The piezoelectric-type flat speaker is provided with: a flat ...
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WO/2018/207395A1 |
Provided is a vibration device making use of a piezoelectric element and used in a water droplet elimination device for a camera, an ultrasonic transducer device, a pump device, and the like, wherein the vibration device has drip-proof s...
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WO/2018/207578A1 |
The present invention provides a piezoelectric microphone chip and a piezoelectric microphone, the piezoelectric microphone chip having high sensitivity to a sound pressure detection signal and being suitable for mounting to a package. T...
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WO/2018/199347A1 |
The present invention provides a complex speaker system comprising an ultra-directional speaker system, capable of simultaneously outputting ultra-directional and non-directional signals, the complex speaker system comprising: a signal i...
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WO/2018/193038A1 |
The invention relates to a loudspeaker unit (1) for a portable device, comprising an electrodynamic loudspeaker (2) designed as a woofer. According to the invention, the loudspeaker unit (1) additionally comprises a MEMS loudspeaker (3) ...
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WO/2018/193892A1 |
The present invention is provided with: a piezoelectric body (2) having a first electrode (2c) and a second electrode (2d) on the entirety of both surfaces thereof, the surface on which the first electrode (2c) is provided being split by...
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WO/2018/190200A1 |
A diaphragm (3) has a plurality of connection pieces (5) disposed at an outer edge of a major surface (3A), the plurality of connection pieces (5) protruding outward along the major surface (3A) and being connected to an outer frame (4)....
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WO/2018/186280A1 |
Provided is a piezoelectric acoustic component with which a plurality of scales can be heard even in a noisy area. A piezoelectric sound generating element 11 is constituted by a metal vibration plate 12 and a piezoelectric element 15 pr...
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WO/2018/181261A1 |
Provided is a novel piezoelectric element that has a thin and long linear form as a whole, that enables an electrode to be easily taken out, and that can be easily manufactured. The piezoelectric element includes: a core wire which is co...
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WO/2018/173426A1 |
[Problem] To provide a sound reproduction device that constitutes an inexpensive, high-quality and low-current-consumption piezoelectric buzzer, and that can improve the sound pressure of the piezoelectric buzzer. [Solution] This sound r...
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WO/2018/172104A1 |
The invention relates to a display element (100) comprising, between a rear substrate material (102) and a front transparent cover material (104), an electro-active component (106) for exciting the display element (100) to oscillate, and...
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WO/2018/168168A1 |
The present invention addresses the problem of providing a sensor unit having excellent detection accuracy. This sensor unit is provided with a sheet-shaped piezoelectric element, and a pair of sheet-shaped shield parts disposed on both ...
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WO/2018/163963A1 |
A sensor comprising a first element portion and a second element portion. The first element portion includes a first upper main electrode portion, a first upper sub-electrode portion, and a first lower electrode layer. The second element...
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WO/2018/164047A1 |
Provided is a piezoelectric member which is improved in terms of adhesion of a metal electrode to a piezoelectric element. A piezoelectric member 102 is provided with: a piezoelectric element 21; and a pair of electrodes 41, 42 which are...
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WO/2018/156079A1 |
According to various embodiments, there is provided an ultrasonic transducer including: a first electrode; a second electrode; and a plurality of piezoelectric nanostructures, each piezoelectric nanostructure having a first end coupled t...
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WO/2018/156334A1 |
Bending mode transducers are provided including a substrate made of a high density material, the substrate having a first surface and a second surface, opposite the first surface. A piezoelectric layer is provided on the first surface of...
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WO/2018/155276A1 |
This sensor comprises: a lower electrode layer that faces a cavity; a piezoelectric layer that is positioned on the lower electrode layer; and an upper electrode layer that is positioned on the piezoelectric layer. The piezoelectric laye...
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WO/2018/155867A1 |
The present invention suggests a piezoelectric vibration apparatus and an electronic device comprising the same, the piezoelectric vibration apparatus comprising: a support member; a vibration board provided on the support member; and a ...
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WO/2018/151106A1 |
In order to provide a floating speaker that: is capable of oscillating sound in every direction in the surroundings without causing energy loss; and is of a unique, unprecedented design, a speaker emits sound such as music, speech, etc.,...
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WO/2018/142842A1 |
An ultrasonic transducer provided with: a plurality of piezoelectric elements for transmitting/receiving ultrasonic waves, the piezoelectric elements being formed in the shape of a rectangular column and arranged at intervals of a prescr...
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WO/2018/143087A1 |
An ultrasound output device according to the present disclosure is provided with an ultrasound output part (10), a holding part (22), and a tubular part (24). The ultrasound output part is configured to output ultrasound according to an ...
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WO/2018/140964A1 |
Systems, methods, and media for detecting abnormalities in equipment that emit ultrasonic energy into a solid medium during failure are provided. In some embodiments, devices for monitoring a piece of equipment are provided, the devices ...
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WO/2018/132443A1 |
A conformable piezoelectric transducer array for performing ultrasound or the like includes a silicone elastomer substrate and a silicone elastomer superstrate. A plurality of piezoelectric transducer elements are disposed between the su...
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WO/2018/131234A1 |
Provided is a piezoresistive element exhibiting high detection sensitivity and a high gauge factor. A piezoresistive element equipped with a field effect transistor 20A and a piezoelectric capacitor 20B, wherein: the piezoelectric capaci...
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WO/2018/127355A1 |
The invention relates to a MEMS sensor device and a method for producing a MEMS sensor device. The MEMS sensor device (110) is configured with: a piezoelectric sensor structure (114); wherein the piezoelectric sensor structure (114) comp...
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WO/2018/123730A1 |
[Problem] To provide: a piezoelectric buzzer that is inexpensive, has high-quality sound, and is low in current consumption; and an audio reproduction device that reproduces audio using said piezoelectric buzzer. [Solution] The present i...
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WO/2018/114637A1 |
Based in the field of breastfeeding, a breast pump apparatus (100) for expressing breast milk is disclosed. The breast pump apparatus (100) comprises a container unit (110) for receiving expressed breast milk, and a pump unit (120) inclu...
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WO/2018/114634A1 |
A method (100) for producing a piezoelectric stack actuator (200), comprising the following steps: providing (110) a piezoelectric layer (202) which has a column-like layer structure, wherein, on account of the column-like layer structur...
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WO/2018/108799A2 |
A flow control device comprises a laminate structure of an electroactive material layer and a non-actuatable layer. An array of orifices is formed in one of the layers wherein the orifices are open in one of the rest state and actuated s...
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WO/2018/104703A1 |
An electroacoustic transducer, comprising a piezoelectric part comprising a piezoelectric material having a first acoustical impedance and an acoustical thickness, a substrate part comprising a material having a second acoustical impedan...
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WO/2018/104702A1 |
A data link (101) for a MIMO communication system (100) comprises a first transceiver device (106A) comprising a body (109A) having a transducer mounting surface near or at which is mounted a plurality of first transducers (107A –107D)...
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