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WO/2018/000501A1 |
A screen sound production control apparatus (410), comprising: a digital signal processor (110) for performing analogue-digital conversion processing on an audio signal, so as to obtain a digital signal; a coder-decoder (120) connected t...
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WO/2018/004688A1 |
Embodiments of the invention include an acoustic transducer device having a base structure that is positioned in proximity to a cavity of an organic substrate, a piezoelectric material in contact with a first electrode of the base struct...
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WO/2017/221247A1 |
A system for spectacles, equipped with a digital sound reconstruction speaker chip, an energy storage device, a controller, and conductors configured to connect the digital sound reconstruction speaker chip to the controller and the cont...
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WO/2017/221762A1 |
An electroacoustic transducer (1A) includes: an ultrasonic element (20) including a diaphragm portion (21) and a support frame portion (22); a case body (10) for accommodating the ultrasonic element (20); and a fixation portion (40) for ...
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WO/2017/220235A1 |
The invention relates to an activating device (1) for activating an external sensor device (12), comprising a plurality of sound converting devices (10-i; 10a; 10b) with respective resonance frequencies and respective sensitivities, said...
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WO/2017/215809A1 |
A microelectromechanical microphone (100) is described, comprising: – a substrate plate (110) having an opening (113), – a piezoelectric membrane (160) arranged in the region of the opening (113) above the substrate plate (110), – ...
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WO/2017/217399A1 |
A vibrator (4) has a planar shape, comprises a base material layer and a piezoelectric layer stacked on the base material layer, and vibrates by being warped by expansion and compression of the piezoelectric layer. A housing (2) includes...
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WO/2017/213415A1 |
The present invention provides a sound output apparatus comprising: a first sound output unit; a second sound output unit provided so as to be spaced at a predetermined distance from the first sound output unit; at least one opening form...
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WO/2017/212511A1 |
This laminate is provided with a piezoelectric body and a first acoustic matching layer that is disposed on the piezoelectric body either directly or via another layer. The first acoustic matching layer includes a closed-cell plastic foa...
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WO/2017/204012A1 |
This adhesive composition contains an epoxy resin as a main component, and includes an inorganic zwitterion exchanger.
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WO/2017/199809A1 |
Provided is an ultrasonic measuring device wherein the position of an optical detection unit with respect to a vibrating film is not needed to be set with a high positional accuracy in plan view of a substrate. An ultrasonic transducer d...
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WO/2017/200490A1 |
A window system, a method of managing noise and a method of installing a noise management system on a window are provided. The window system includes a ventilation channel and a noise management system in or adjacent the ventilation chan...
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WO/2017/199634A1 |
A piezoelectric body comprises a single crystal of magnesium niobate lead titanate. The piezoelectric body has a surface arithmetic mean height of not less than 50 nm and not more than 200 nm. The piezoelectric body has a surface sharpne...
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WO/2017/200219A1 |
The present invention relates to a piezo MEMS microphone and a manufacturing method therefor, the microphone comprising: a substrate having a sound chamber formed in a central lower part thereof; a diaphragm formed at an upper part and h...
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WO/2017/196080A1 |
The present invention relates to a piezoelectric ceramic sintered body, a method for manufacturing a piezoelectric ceramic sintered body, and an electronic device and, more specifically, to: a piezoelectric ceramic sintered body to be us...
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WO/2017/189099A1 |
A microactuator (10) has a proximal end (10a) configured to receive an electrical signal and a distal end (10b) configured to be inserted into a fenestration of an otic bone to provide access through the lateral wall of the cochlea of a ...
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WO/2017/188125A1 |
Provided are a mounting structure enabling to easily perform electrical connection between substrates, an ultrasonic device, an ultrasonic probe, an ultrasonic apparatus, and electronic equipment. This mounting structure is provided with...
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WO/2017/188072A1 |
Provided are an ultrasonic device, an ultrasonic module and an ultrasonic measuring device that have a high ultrasonic wave transmission and reception efficiency. This ultrasonic device is provided with: a base plate which has a first op...
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WO/2017/182179A1 |
The invention relates to a micromechanical component having a first outer electrode (10), a second outer electrode (12) and an intermediate electrode (14), a first piezoelectric layer (16) with which a first intermediate volume between a...
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WO/2017/178787A1 |
Electroacoustic Transducer According to the present invention, there is provided an electroacoustic transducer, comprising: a first electrode; a second electrode; a piezoelectric material at least partially sandwiched between the first e...
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WO/2017/178788A1 |
According to the present invention, there is provided an electroacoustic transducer, comprising: a first electrode; a second electrode; a piezoelectric material at least partially sandwiched between the first electrode and the second ele...
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WO/2017/179616A1 |
A piezoelectric drive unit (10) has n (n is an integer of 2 or more) piezoelectric layers (3A to 3D) which are stacked with electrode layers (4B to 4D) interposed therebetween, wherein electrode layers (4A, 4E) are further formed on the ...
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WO/2017/175660A1 |
Provided is an ultrasonic transducer provided with a flexible film and a piezoelectric element provided to the flexible film. The piezoelectric element has a piezoelectric body and a first electrode, second electrode, third electrode, an...
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WO/2017/176579A1 |
This disclosure provides some implementations of systems, methods and apparatus associated with a drive scheme for ultrasonic transducer pixel readout. In some implementations, a piezoelectric ultrasonic transducer has a first electrode ...
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WO/2017/169349A1 |
The purpose of the present invention is to provide an ultrasound oscillator unit which may be made compact and which is provided with a circuit structure which has good operability with respect to wiring. This ultrasound oscillator unit ...
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WO/2017/169888A1 |
This technology relates to an acoustic reproduction device, method, and program, which enable acoustic reproduction with high sound quality and good directive properties at a lower cost. This acoustic reproduction device is provided with...
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WO/2017/168793A1 |
Provided is a vibration presentation device that adopts an actuator of electrostatic type or piezoelectric type and that is configured differently from the conventional structure. A laminate formed with a first elastic body (20), an actu...
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WO/2017/169374A1 |
Provided are: an ultrasonic oscillator unit which can be small sized and which is suitable for use in an ultrasonic endoscope, the ultrasonic oscillator unit having a wiring structure having good workability during wiring of electrodes o...
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WO/2017/170215A1 |
Provided are: a resin composition for acoustic wave probes, which contains a polymer including a structural unit having a siloxane bond and a structural unit having a urea bond; and an acoustic lens, an acoustic wave probe, an acoustic w...
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WO/2017/172687A1 |
A loading spring has an inner end that engages the outer end of a middle ear transducer, an outer end that engages a fixed anatomical structure within the middle ear of the recipient patient, and a center of mass located on a common line...
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WO/2017/151650A1 |
A device comprising: a sensor; and a first circuit configured to detect when an input stimulus to the sensor satisfies one or more detection criteria, and further configured to produce a signal upon detection that causes adjustment of pe...
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WO/2017/145649A1 |
Disclosed is an acoustic generator that is provided with: a laminated piezoelectric element 1 having a laminated body 13 in which piezoelectric layers 11 and internal electrode layers 12 are alternately laminated; and a diaphragm 2 havin...
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WO/2017/130890A1 |
The present invention is: a composition for an acoustic wave probe containing a polysiloxane mixture including a polysiloxane having a vinyl group, a polysiloxane having two or more Si-H groups in the molecular chain thereof, and silica ...
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WO/2017/126257A1 |
Provided is an electroacoustic transducer that enables reduction in thickness and weight of an entire pillow when a speaker is built in the pillow or a headrest, that can be downsized by setting the position of the speaker near a positio...
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WO/2017/111447A2 |
The present invention provides a mobile terminal comprising: a display for displaying an image; a window which is arranged at one side of the display and can be touched by a user; a case arranged at the other side of the display from a s...
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WO/2017/109929A1 |
An ultrasonic oscillator, provided with: a piezoelectric body part in which a plurality of piezoelectric bodies is arranged in the lamination direction and bonded; and a metal block bonded to an end part of the piezoelectric body part in...
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WO/2017/111376A1 |
Provided in the present invention are a complex device and an electronic device comprising same, the complex device comprising: a frame provided with a specific space therein; a vibrating member, provided inside the frame, for generating...
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WO/2017/110666A1 |
An array speaker device (1A) is provided with vibrators (20) arranged on one surface of a substrate having a uniform thickness, the vibrators (20) being constituted by a base layer (11), a first electrode layer (12), a piezoelectric elem...
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WO/2017/104506A1 |
The present application discloses a pickup apparatus for a musical instrument, which is capable of improving as much as possible the sound of a musical instrument obtained by a piezoelectric element. This pickup apparatus for a musical i...
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WO/2017/106188A1 |
An acoustic sensing apparatus includes a diaphragm; a support structure surrounding the diaphragm and a gap disposed there between, the diaphragm and support structure separating a front volume and a back volume; one or more cantilevers ...
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WO/2017/094520A1 |
Provided is a bimorph piezoelectric element, with which the directions of the polarization axes of adjacent piezoelectric layers can be controlled with high precision. This piezoelectric element 1 comprises: a first piezoelectric layer 4...
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WO/2017/092829A1 |
An electroactive loudspeaker includes a rigid, electrically conductive carrier plate comprising a first main surface and a second main surface, the first main surface and the second main surface being disposed on opposite sides of the ca...
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WO/2017/085425A1 |
Electrical generator comprising a superposition including: two electrode layers (1, 3); a layer (2) of piezoelectric material of thickness comprised between 10 and 60 microns, said layer being interposed between the two electrode layers ...
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WO/2017/082560A1 |
The present invention provides an acoustic output apparatus comprising: a first acoustic output unit; a second acoustic output unit provided in contact with at least a part of the first acoustic output unit; and a case for accommodating ...
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WO/2017/082665A1 |
An earphone according to the present invention comprises: a rear housing into which an earphone cable is inserted at one side thereof, and having an opening portion formed on the other side thereof; a front housing having one side couple...
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WO/2017/077176A1 |
An apparatus comprising a piezoelectric diaphragm positioned between opposing first and second electrodes, the piezoelectric diaphragm comprising a stack of graphene oxide layers between respective electrode-engaging layers of reduced gr...
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WO/2017/069055A1 |
The present invention includes: an electroacoustic conversion unit provided with an electroacoustic conversion film having a polymer composite piezoelectric substance formed by dispersing piezoelectric particles in a viscoelastic matrix ...
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WO/2017/070535A1 |
At a configurable filter bank, commands or command signals are received from an external processing device. The commands or command signals are effective to configure and connect selective ones of the plurality of elements in the filter ...
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WO/2017/066934A1 |
The present invention discloses a micro-speaker, the manufacturing method thereof, a speaker device and an electronic apparatus. The micro-speaker includes: a case, wherein the case has an opening; and a piezoelectric layer, wherein one ...
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WO/2017/069057A1 |
In the present invention, provided is an electro-acoustic transduction film comprising: a polymer composite piezoelectric body obtained by dispersing piezoelectric particles in a viscoelastic matrix formed from a polymer material that di...
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