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Matches 1 - 50 out of 6,401

Document Document Title
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 ...  
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...  
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 ...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2017/092074A1
The invention provides an acoustic sensor integrated MEMS microphone structure and a fabrication method thereof. A diaphragm (3e) and back-pole (7) which forms a condenser structure are formed on a substrate (1) having at least one reces...  
WO/2017/091379A1
An example composition includes a cloth, which has on each side thereof, a first waterproofing agent, a barrier which inhibits or prevents environmental degradation, and an elastomeric barrier including a second waterproofing agent. Anot...  
WO/2017/089560A1
The present invention relates to a composition in the form of sheet or layer comprising a layer of an aromatic polymer and a layer of metal adhering to at least one side of said polymeric sheet, and to its uses.  
WO/2017/081806A1
One aspect of the present invention is a Micro Electro Mechanical System (MEMS) element having a substrate and having, on the substrate, a vibration unit that vibrates in the vertical direction, a facing unit that faces the vibration uni...  
WO/2017/078010A1
Provided is a method capable of efficiently manufacturing an acoustic magnesium diaphragm exhibiting excellent rustproof performance and having excellent acoustic characteristics. According to the present invention, a rustproof processin...  
WO/2017/054751A1
A method of thinning a multilayer laminate material is provided to obtain a membrane stiffening plate (14) having a thickness less than currently known in the art. The multilayer laminate material comprises a middle layer (20) and two ou...  
WO/2017/047187A1
[Problem] To provide: a sound generation device capable of positioning a magnetic field generation unit and an armature and also capable of assembly without adjustment; and a production method therefor. [Solution] A magnetic field genera...  
WO/2017/047198A1
[Problem] To provide: a sound generation device whereby the relative positions of a magnet and an armature can be set with high precision and do not require adjustment; and a production method therefor. [Solution] A sound generation devi...  
WO/2017/044625A1
A diaphragm and suspension for an electroacoustic transducer are formed by depositing a layer of compliant material on a first surface of a solid substrate and removing material from a second surface of the solid substrate. The removal l...  
WO/2017/044779A1
A diaphragm for a loudspeaker may include a continuous primary diaphragm having an upper surface and a lower surface, where the primary diaphragm comprises a ring-shaped, flat region having an inner diameter and an outer diameter. The di...  
WO/2017/030045A1
Provided are: an electroacoustic conversion film which is capable of reproduction with a sufficient sound volume and has high heat dissipation properties, while being suppressed in sound pressure change over time; a method for producing ...  
WO/2017/016060A1
The present invention relates to the technical field of speakers, and particularly discloses a dome of a vibration diaphragm, speaker and electronic equipment using the same, and manufacturing method thereof. The dome of the present inve...  
WO/2017/015228A1
Embodiments for voice coil wire configurations are provided. In one example, a voice coil wire configuration may involve a wire that is flexible in a first plane and substantially inflexible in a second plane. The wire may be a flat wire...  
WO/2017/005222A1
The present invention relates to the technical field of electric acoustic products, and discloses sound-absorbing material, sound-absorbing particle, speaker module manufacturing processes, a particle and a module. The process comprises ...  

Matches 1 - 50 out of 6,401