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WO/2018/070159A1 |
Provided are an ultrasonic probe having a highly-sensitive piezoelectric element and a method for manufacturing the ultrasonic probe. This ultrasonic probe is obtained by arranging a plurality of piezoelectric elements in an array-like m...
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WO/2018/068445A1 |
Disclosed is a microphone sealing device, comprising a sealing sleeve, an elastic body, a compression portion and a positioning portion, wherein the sealing sleeve is sheathed on a microphone; the elastic body abuts between the sealing s...
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WO/2018/061302A1 |
Provided is a piezoelectric sound generating component having excellent vibration characteristics. This piezoelectric sound generating component is provided with: a vibrating plate, which has a metal plate and a piezoelectric body formed...
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WO/2018/061395A1 |
This ultrasonic transducer has: a hollow section 110, which is formed between insulating films 104, 106 sandwiched between a lower electrode 103 and an upper electrode 107 that are formed on a substrate 101; and a membrane 120 comprising...
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WO/2018/061199A1 |
An ultrasonic transducer provided with a drive unit attached to the outer circumference of a bolt in a state of being sandwiched between a block on the front-end side and a block on the base-end side in a direction along the longitudinal...
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WO/2018/057146A1 |
This disclosure relates to speakers and more specifically to an array speaker for distributing music uniformly across a room. A number of audio drivers can be radially distributed within a speaker housing so that an output of the drivers...
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WO/2018/051797A1 |
This vibrating plate for a speaker includes a woven fabric, which is a base material, a sealing layer, and a coating layer. The woven fabric has a first surface and a second surface on the reverse side to the first surface, and is molded...
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WO/2018/050551A1 |
A MEMS microphone (100) includes a base structure (116) and a piezoelectric resonator body (120) having a first end and a second end. The first end is fixedly supported by the base structure (116) and the second end is free such that the...
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WO/2018/047585A1 |
The purpose of the present invention is to provide an array-type ultrasound probe as a device in which a plurality of piezoelectric elements are arranged in an array shape at prescribed intervals and which possesses a structure so as to ...
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WO/2018/049222A1 |
Flex circuits and methods for ultrasound transducers are provided herein. In at least one embodiment, an ultrasound device includes a plurality of transducer elements and a flex circuit. The flex circuit includes an insulating layer havi...
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WO/2018/034015A1 |
[Problem] To provide: a sound generation device whereby a coil can be easily and securely fixed to a yoke, in a drive mechanism; and a production method therefor. [Solution] A first yoke 21 and a second yoke 22 are combined and a first m...
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WO/2018/023842A1 |
The present invention relates to a vibration diaphragm and a manufacturing method thereof, and an electroacoustic transducer. The vibration diaphragm comprises a base layer, wherein the base layer is a film manufactured using any one of ...
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WO/2018/023843A1 |
The present invention relates to a vibration diaphragm and a coating method thereof, and an electroacoustic transducer. The vibration diaphragm comprises: a substrate layer, a strengthening layer, and an adhesive layer coated on the stre...
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WO/2018/021096A1 |
Provided are a thin microphone, a packaging method to be used in manufacturing the microphone, and an electronic device. Microphones 1, 1A, 1B, 1C, 1D, 1E, 2, 3, and 4 are each provided with: a die 11 on which a transducer is mounted; a ...
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WO/2018/009308A1 |
A microphone includes a microelectromechanical system (MEMS) die configured to sense an acoustic signal, a base, and a lid. The base has a top surface and a bottom surface. The bottom surface includes a first electrical pad and a second ...
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WO/2018/007372A1 |
A composite material for producing an acoustic membrane, wherein the composite material comprises a silicone layer comprising an at least partially uncured silicone rubber and a support layer, wherein the support layer is adjacent to the...
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WO/2018/002595A1 |
The present application describes MEMS transducer having a membrane and a membrane electrode. The membrane and membrane electrode form a two-layer structure. The membrane electrode is in the form of a lattice of conductive material. The ...
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WO/2018/002566A1 |
The application describes MEMS transducer structures- comprising a membrane structure having a flexible membrane layer and at least one electrode layer. The electrode layer is spaced from the flexible membrane layer such that at least on...
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WO/2018/005160A1 |
Methods are disclosed for forming a decorative faceplate for attachment to an ear insert. An impression medium is first inserted into an ear for forming an impression of at least a portion of the ear concha and ear canal. An initial ear ...
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WO/2018/002103A1 |
The present application provides a method of manufacturing a resonant panel (200) of a flat panel loudspeaker. The method comprises: pressing a resonant panel blank between a first pressing surface (302) and a second pressing surface of ...
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WO/2017/221340A1 |
Provided is an ultrasonic sensor unit whereby adhesiveness of an elastic sheet with respect to an ultrasonic radiation surface can be sufficiently ensured, and the elastic sheet can be easily replaced. An ultrasonic sensor unit 2 is prov...
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WO/2017/219637A1 |
Provided is a silica gel diaphragm. The thickness of the silica gel diaphragm is not uniform, and the thickness of the silica gel diaphragm is 8-350 micrometers. The silica gel diaphragm of the present invention has the advantage of bein...
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WO/2017/218525A1 |
A bobbin for an electro-acoustic driver includes an outer surface, a substantially planar surface at an end of the bobbin, and a bobbin axis that is substantially coaxial with a housing axis. The bobbin is disposable inside a housing and...
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WO/2017/218184A1 |
An electroacoustic transducer comprises a sleeve extending along a longitudinal axis; diaphragm coupled to the sleeve at a first end of the sleeve; a subassembly in the sleeve; and an alignment element extending from the subassembly in a...
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WO/2017/218134A1 |
A method of forming a device having a compliant member (16) includes creating a membrane (22) having one or more elastomeric layers which are at least partially cured. Another elastomeric layer (26) is provided on the membrane (22) in an...
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WO/2017/212697A1 |
[Problem] To provide a method for producing a sound-generating device which makes it possible to position a vibrating plate, a frame and a vibration support sheet with a high degree of accuracy and adhere the same to one another, and to ...
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WO/2017/207953A1 |
A wafer for use in fabricating a plurality of individual transducer devices comprises a bracing structure for partitioning the wafer into a plurality of regions, and a plurality of transducer devices fabricated in one or more of the plur...
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WO/2017/201339A1 |
A system and methods for manufacturing devices such as flexures using process coupons are described. The method includes performing a test on at least one feature of a coupon, the coupon is included on an assembly sheet used in manufactu...
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WO/2017/198190A1 |
A radiation device and a dual suspension edge loudspeaker, a loudspeaker box, and an application thereof, the radiation device comprising: an external bracket; a vibrating element; a first suspension edge extending between the vibrating ...
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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/2017/191226A1 |
The present invention relates to a membrane plate structure for generating sound waves, the membrane plate structure comprises a vibrating element for generating sound waves and a membrane plate which is coupleable to the vibrating eleme...
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WO/2017/186726A1 |
Acoustic membrane (100) comprising at least three layers with a first outer layer (101) and a second outer layer (102), wherein the first and the second outer layer (101, 102) are formed by a thermoplastic elastomer, wherein the thermopl...
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WO/2017/183790A1 |
Disclosed are a noise blocking earset and a method for manufacturing same. A noise blocking earset, according to the present invention, can have a driver unit, having a back hole formed thereon, and a case having the driver unit embedded...
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WO/2017/170456A1 |
Provided are a pressure sensor and a method for producing the same. The pressure sensor is provided with a silicon substrate 24 having a cavity 23, a diaphragm 21 that comprises metallic glass and is under tensile stress in a range such ...
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WO/2017/161668A1 |
Disclosed in the present invention is a diaphragm and a manufacturing method for a diaphragm, the diaphragm comprising an annular support member, a first diaphragm layer and a circuit layer, the first diaphragm layer being fixedly connec...
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WO/2017/157496A1 |
A new audio transducer for mobile devices, in particular for a micro speaker, having a pot plate (180), a collar (116), a membrane (112), a magnet system (152, 160) and a coil assembly (130). The magnet system (152, 160) may optionally c...
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WO/2017/145514A1 |
An ultrasonic probe which is provided with a substrate 301, a lower electrode 102 that is formed on the substrate 301, a lower insulating film 303 that is formed on the lower electrode 102, an upper insulating film 305 that is formed on ...
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WO/2017/141996A1 |
Provided is a method for producing a piezoelectric element, by which a columnar microstructure having a small width and a high aspect ratio is able to be formed. A method for producing a piezoelectric element 102 which is provided with a...
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WO/2017/130822A1 |
A speaker diaphragm comprising resin and a hollow glass member contained in the resin. In addition, a speaker comprising: said speaker diaphragm; a magnetic circuit; a frame joined to the magnetic circuit; and a voice coil having one end...
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WO/2017/129418A1 |
The invention relates to a composite for an acoustic component, having at least one carrier layer and an electro-spinning membrane that is arranged on the at least one carrier layer, wherein the electro-spinning membrane is formed of sup...
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WO/2017/128562A1 |
A sound absorbing component and a production method therefor. The production method for said sound absorbing component comprises: preparing a perforated sound absorbing foam (1) which matches the shape of a predetermined space; preparing...
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WO/2017/122954A1 |
The present invention relates to a microphone and a microphone manufacturing method, the microphone comprising: a membrane including a driving electrode; and a backplate including a fixed electrode, wherein the two electrodes are mechani...
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WO/2017/115339A1 |
The present disclosure relates to the field of acoustics, sound reproduction technologies, and the design principle of the loudspeaker, and more particularly, to an electroacoustic transducer having controlled ion generation. The electro...
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WO/2017/115521A1 |
[Problem] To provide a method of manufacturing a sound generating device with which warping of an armature which activates a vibrating plate can me minimized. [Solution] An armature 32 is caused to vibrate by means of a magnetic field ge...
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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/2017/100383A1 |
A speaker and like manufactured item manufacturing system, apparatus and method for aligning speaker components regardless of feature size to a common centering datum for placement. A speaker motor assembly may be aligned based on datum ...
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WO/2017/099849A1 |
A microelectromechanical microphone has a stationary region or another type of mechanically supported region that can mitigate or avoid mechanical instabilities in the microelectromechanical microphone. The stationary region can be forme...
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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/2017/092231A1 |
Disclosed in the present invention are a back cover for a loudspeaker, and a loudspeaker. Said back cover comprises a back cover body, of which one side is provided with a first connection portion; a connection assembly, which is provide...
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WO/2017/095981A1 |
A variable current trans-impedance amplifier (TIA) for an ultrasound device is described. The TIA may be coupled to an ultrasonic transducer to amplify an output signal of the ultrasonic transducer representing an ultrasound signal recei...
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