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WO/2020/212540A1 |
The invention relates to a micromechanical acoustic transducer comprising a plurality of bending transducers suspended on one side. Each of the plurality of bending transducers is designed for deflection in an oscillation plane and said ...
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WO/2020/209362A1 |
An ultrasonic vibration adding tool including a ring-shaped balance weight having a threaded part, at the top of an inner circumferential surface, which the threaded part of a cylindrical housing is screwed into. The ultrasonic vibration...
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WO/2020/203317A1 |
An ultrasonic radiation tool having a plurality of plate elements. The plurality of plate elements respectively have a radiation surface for radiating ultrasonic waves and are arranged parallel to each other, with the radiation surfaces ...
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WO/2020/202351A1 |
This ultrasonic transducer comprises an elastic plate that can vibrate in the thickness direction thereof, a plurality of piezoelectric elements that are fixed side by side to a first surface of the elastic plate, a plurality of cylindri...
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WO/2020/203072A1 |
The present invention includes: a conductive case (3); a piezoelectric material (1) that has a piezoelectric electrode (2b); and an adhesive member (4) that adheres the case (3) to the piezoelectric material (1). The adhesive member (4) ...
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WO/2020/194870A1 |
Disclosed is a transducer device that is configured to be able to extend the scope of uses thereof. This transducer device (1) is provided with: a transducer element (11); elastic bodies (12a, 12b) which clamp the transducer element (11)...
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WO/2020/196850A1 |
The present invention addresses the problem of providing: a piezoelectric film that has outstanding flexibility in high-temperature environments exceeding 50°C and demonstrates good flexibility even at normal temperatures; a layered pie...
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WO/2020/193288A1 |
The invention relates to a MEMS comprising a substrate having a cavity. The MEMS comprises a moveable layer assembly arranged in the cavity and having a first bar, a second bar and a third bar arranged between the first bar and second ba...
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WO/2020/196807A1 |
The present invention addresses the problem of providing: a piezoelectric film that has superior flexibility under below-freezing environments and that exhibits required flexibility at ordinary temperatures; a laminated piezoelectric ele...
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WO/2020/189740A1 |
The present invention addresses the problem of providing an ultrasonic sensor with high scanning precision and excellent scanning efficiency. An ultrasonic sensor according to one aspect of the present invention comprises: a vibration de...
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WO/2020/189957A1 |
Disclosed are a piezoelectric speaker for employing a piezoelectric element having a through-hole, and a manufacturing method therefor. The piezoelectric speaker comprises: a piezoelectric element including a stack having one or more thr...
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WO/2020/186260A1 |
A device that includes an adaptive acoustic detection circuit and an acoustic sensor device such as a microphone is described. The device includes in addition to the sensor a circuit configured to detect when an input stimulus to the sen...
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WO/2020/184165A1 |
An ultrasonic sensor (1) is provided with a first electrode (21c; 20), a second electrode (41), and a third electrode (42). The first electrode is provided in an ultrasonic microphone (2) provided with a vibrating element (21) which has ...
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WO/2020/184354A1 |
The present invention provides a low-profile ultrasonic wave generation device. A drive unit (10) has a piezoelectric material and an electrode formed on the surface of the piezoelectric material, and flexturally vibrates as a whole. A c...
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WO/2020/186265A1 |
An acoustic device is described and includes an acoustic sensor element configured to sense acoustic energy and produce an output signal and a threshold detector circuit including a switch having an input coupled to the output of the aco...
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WO/2020/179353A1 |
The present invention addresses the problem of providing an electroacoustic transducer comprising a diaphragm and an exciter and having good flexibility. This problem is solved by providing a configuration having a diaphragm and an excit...
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WO/2020/178063A1 |
The invention relates to a piezoceramic hydrophone at least comprising the following elements: a first hemispherical shell (1) and a second hemispherical shell (2) which have been assembled to form a hollow sphere (3); wherein the first ...
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WO/2020/174640A1 |
Provided is a sonar in which it is possible to widen the specific bandwidth of ultrasonic waves without involving an increase in size of an ultrasonic transducer. The sonar according to the present invention has: an ultrasonic transducer...
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WO/2020/176150A1 |
A panel audio loudspeaker includes a panel extending in a plane. The panel audio loudspeaker includes an actuator attached to the panel. The actuator includes a rigid frame attached to a surface of the panel, the rigid frame including a ...
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WO/2020/176086A1 |
Embodiments of the invention are directed to a microactuator including using (i) an ingress membrane mounting ring adhesive positioned on an ingress membrane mounting surface to mount an ingress membrane and (ii) a flexible encapsulation...
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WO/2020/170937A1 |
Provided is an oscillation device that allows for improved productivity, improved reliability, and increased vibration efficiency. An oscillation device 1 is provided with: an oscillator plate 6 comprising first and second oscillating ...
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WO/2020/170286A1 |
An ultrasonic transducer according to the present invention comprises an elastic plate capable of vibrating in the plate thickness direction, a plurality of piezoelectric elements secured in a parallel state to the first surface of the e...
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WO/2020/166562A1 |
This piezoelectric composition contains: at least one element selected from the alkali metal elements; at least one element selected from the group consisting of palladium, niobium, and tantalum; copper or copper and germanium; and oxyge...
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WO/2020/166120A1 |
A piezoelectric driving section (120) is formed of a plurality of layers, and is directly or indirectly supported by a base part (110). The piezoelectric driving section (120) includes a piezoelectric layer (130), an upper electrode laye...
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WO/2020/158173A1 |
An electroacoustic transducer according to one embodiment of the present invention comprises a magnetic sound generator and a piezoelectric sound generator. The piezoelectric sound generator is connected so as to be driven in an opposite...
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WO/2020/157296A1 |
The invention relates to a vibratory module for placing on an ear drum, comprising a flat sound transducer and a shaped ear drum contact piece for coming into contact with the ear drum.
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WO/2020/153099A1 |
In the present invention, a filler (130) fills the inside of a case (110) and covers a piezoelectric element (120). The filler (130) is made of a foamable resin. An inner surface (113) of the case (110) includes a first region (114) and ...
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WO/2020/153290A1 |
This audio device is provided with a vibration member and a first piezoelectric vibrator and a second piezoelectric vibrator which are provided to the vibration member. The natural frequency of the first piezoelectric vibrator is larger ...
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WO/2020/154697A1 |
Systems, methods and devices for reducing noise in health monitoring including monitoring systems, methods and/or devices receiving a health signal and/or having at least one electrode and/or sensor for health monitoring.
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WO/2020/145660A1 |
An electronic device including a housing including a first plate facing a first direction, a second plate facing opposite to the first direction, and a side surface member surrounding a portion of a space between the first and second pla...
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WO/2020/142812A1 |
An acoustic device, comprising: a device body comprising: an acoustic membrane having a first surface and a second surface opposite the first surface; and at least one acoustic cavity formed adjacent the first surface of the acoustic mem...
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WO/2020/140568A1 |
Provided by the present invention is a piezoelectric microphone, comprising a base having a back cavity, and a piezoelectric cantilever beam vibrating diaphragm that is fixed on the base; the piezoelectric cantilever beam vibrating diaph...
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WO/2020/141581A1 |
A sound localization effect is improved, and an excellent listening state is ensured in which a feeling of integration of an image or video with the sound is produced. The present invention comprises a display on which an image is disp...
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WO/2020/140569A1 |
The present invention provides a piezoelectric microphone, comprising a base having a back cavity and a piezoelectric cantilever diaphragm fixed at the base. The piezoelectric cantilever diaphragm comprises a first diaphragm positioned a...
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WO/2020/140570A1 |
Provided by the present invention is a piezoelectric microphone, comprising a substrate that is provided with a back cavity and a piezoelectric cantilever beam diaphragm that is fixed on the substrate; the piezoelectric cantilever beam d...
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WO/2020/137601A1 |
[Problem] To provide an ultrasound device having high transmission strength and high reception sensitivity, and having excellent reliability and ease of mass production. [Solution] An ultrasound device according to the present technology...
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WO/2020/137266A1 |
A vibrating structure (1) comprising: a piezoelectric film (12) that deforms in a surface direction by adding voltage; a frame member (10) connected to the piezoelectric film (12); a vibration unit (14) supported by the frame member (10)...
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WO/2020/136983A1 |
A piezoelectric transducer (100) is provided with a base part (110), a plate-shaped part (120), and a plurality of beam parts (130). The base part (110) has an annular outline as seen from the up/down direction. The plate-shaped part (12...
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WO/2020/136994A1 |
In the present invention, each of a plurality of beam parts (122) is connected to an outer peripheral side surface (122a) of a plate-shaped part (121), and extends so as to draw away from the plate-shaped part (121). The plurality of bea...
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WO/2020/137212A1 |
Provided are a stethoscope and an electronic stethoscope device capable of measuring biological sounds at a high SN ratio. This stethoscope is provided with a support base and a detection unit which is supported by the support unit and d...
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WO/2020/137966A1 |
This ultrasound device comprises: a support substrate; an ultrasound element; an attenuating material; and one or more electronic elements. The support substrate has a first surface, and a second surface on the reverse side of the first ...
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WO/2020/129296A1 |
A tabular part (121) has a plurality of first connecting regions (121R) connected to a connecting part (123) across the entire thickness in the vertical direction. The plurality of first connecting regions (121R) are located along the ci...
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WO/2020/122525A1 |
Disclosed is a device case according to one embodiment of the present disclosure. A device case having an accommodation space capable of accommodating a device, according to some embodiments of the present disclosure, comprises: a protec...
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WO/2020/121836A1 |
[Problem] To provide an ultrasonic user interface device capable of precisely acquiring information on the movement of a body part. [Solution] An ultrasonic user interface device that is provided with a transmission part and reception pa...
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WO/2020/121596A1 |
End parts (121) of each of a plurality of beam parts (120) are supported by base parts (110), and each of the plurality of beam parts (120) extends in a direction away from the base parts (110) at positions further to the upper side than...
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WO/2020/110755A1 |
The present invention makes it possible to effectively use sound waves emitted from both sides of a piezoelectric element used as a vibrating body in an electroacoustic transducer. Provided is an earphone 1A comprising a housing 10, a ...
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WO/2020/111606A1 |
According to several embodiments of the present disclosure, eyeglasses to which an attachable/detachable module is coupled are disclosed The eyeglasses comprise: a lens frame; first and second temples rotatably connected to both sides of...
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WO/2020/111605A1 |
An earphone is disclosed according to an embodiment of the present disclosure. According to embodiments of the present disclosure, an earphone worn on an ear of a user comprises: a main body comprising a coupling portion to which a silic...
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WO/2020/110756A1 |
An electroacoustic transducer for outputting a sound wave that corresponds to a sound signal applied from the outside, wherein it is made possible to realize a consistent acoustic characteristic from a low sound range to a high sound ran...
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WO/2020/110445A1 |
The present invention provides a resin composition for an acoustic matching layer, the resin composition capable of holding uniform dispersibility of a hollow filler and suppressing foaming, and having excellent moldability and handleabi...
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