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Matches 1 - 50 out of 6,818

Document Document Title
WO/2021/083850A1
The present invention concerns a hearing device (10) with improved sealing and providing easy exchange of for example covers and/or filters and/or sealings in/on the hearing device.  
WO/2021/056477A1
The present invention relates to an assembly jig, especially to a high-fidelity headphone loudspeaker sound film assembly jig. The technical problem to be solved is to provide a high-fidelity headphone loudspeaker sound film assembly jig...  
WO/2021/056476A1
The present invention relates to a voice coil wind and pick-and-place device, especially to a high-fidelity headphone loudspeaker fully-automatically controlled voice coil wind and pick-and-place device. The technical problem to be solve...  
WO/2021/056486A1
An automatic adhesive application device for a magnet group and a plastic housing of high sound quality headphones. The device comprises a conveyor belt (1), guide rails (4, 9, 41), cylinders (5, 6, 10, 12, 14), and an adhesive dispensin...  
WO/2021/056484A1
The present invention relates to a multi-station sleeve insertion device, and in particular, to a device for fully-automatic sleeve insertion into an inner housing of a high sound quality earphone. In order to overcome the defect in exis...  
WO/2021/056481A1
The present invention relates to a screw locking device, in particular, to an efficient automatic screw locking device for a high-quality headphone inner case. In order to overcome the problems in the prior art of high labor intensity of...  
WO/2021/058013A1
Disclosed in the present invention are a conductive film for a sound producing device, and a sound producing device. The conductive film comprises a conductive layer and base material layers on both sides of the conductive layer; the con...  
WO/2021/056480A1
The present invention relates to an assembly device, in particular to a fully-automatic control-type assembly device for a high-fidelity earplug horn. The technical problem to be solved is to provide a fully-automatic control-type assemb...  
WO/2021/051854A1
A preparation method for an MEMS microphone, comprising the following steps: providing a silicon substrate having a silicon surface; forming a closed chamber on the silicon substrate; arranging multiple sound holes at intervals on the si...  
WO/2021/036128A1
The present invention provides a sound production device, comprising a housing and a vibration assembly. The vibration assembly comprises a vibration diaphragm and a voice coil combined to one side of the vibration diaphragm. The sound p...  
WO/2021/026474A1
Examples of this disclosure relate to an accessory device for a hearing instrument. The accessory device comprises a connector tip that comprises a first wire segment and a second wire segment, lire first and second wire segments are ele...  
WO/2021/016458A1
A MEMS AE transducer system is provided that takes advantage of the low power consumption and lightweight characteristics of MEMS AE transducers, while also achieving higher sensing sensitivity. To address the problem of low sensitivity ...  
WO/2021/009133A1
A non-planar body (1) comprising a dome body (2) having an apex (3) and an outer periphery, the apex (3) located on a first plane (4) and the outer periphery located on a second plane (6) substantially parallel to the first plane (4). A ...  
WO/2021/005091A1
A method of electrically interconnecting a speaker terminal and voice coil wire of a loudspeaker assembly with a lead wire, the method comprising: forming a first electrical connection between a first end of the lead wire and one of the ...  
WO/2021/000189A1
Provided are a pin bending device (100) for a conductive terminal (50) and a bending forming method thereof. The pin bending device (100) of the conductive terminal (50) includes a mounting plate (1), and a pin bending die (2), a longitu...  
WO/2021/000118A1
Provided is a speaker, comprising: a basket; and a vibration system and a magnetic circuit system respectively fixed at the basket. The vibration system comprises a vibration diaphragm fixed at the basket and a voice coil driving the vib...  
WO/2021/000115A1
Provided by the present utility model are a loudspeaker box and an assembly method therefor. The loudspeaker box comprises a housing and a sounding unit, the housing being provided with an accommodation space and formed by a top wall, a ...  
WO/2020/249457A1
The invention relates to a method for producing a MEMS transducer (1) for generating and/or detecting sound waves in the audible wavelength range and/or in the ultrasonic range, in which method at least one piezoelectric element (3a-3c) ...  
WO/2020/248460A1
Disclosed in the present invention is a damping analysis method for a pedestrian warning loudspeaker, which solves the problems existing in a traditional test method of the necessity of preparing a sample in advance, time-consuming and l...  
WO/2020/224513A1
A method for manufacturing a micro electro mechanical system (MEMS) device, comprising: providing a substrate (100), forming a first sacrificial layer (200) on a front surface of the substrate (100), and forming a functional structure (3...  
WO/2020/216171A1
Disclosed are a vibrating diaphragm for a miniature sound production device, and a miniature sound production device. The vibrating diaphragm for a miniature sound production device is made of a polyacrylate copolymer, wherein the polyac...  
WO/2020/216168A1
A diaphragm for a miniature sound production device, and a miniature sound production device. The diaphragm for a miniature sound production device is made of a polyacrylate copolymer; a plasticizer is mixed in the polyacrylate copolymer...  
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 ...  
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...  
WO/2020/195837A1
An objective of the present invention is to provide a speaker having a powerful magnetic circuit and a method for manufacturing a speaker. To achieve this objective, a speaker according to one aspect of the present technology is provided...  
WO/2020/191138A1
A three-dimensional earpiece production system for additive manufacturing of a three-dimensional earpieces based on scanned images of an ear which conformably engage the outer ear of a wearer.  
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...  
WO/2020/184022A1
Disclosed is a sound generator provided with a sound generating body (7), a base (2), a protection wall (22) and a vertical wall (23). The sound generating body has a diaphragm (72) and a driving part (73) for causing the diaphragm to vi...  
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...  
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...  
WO/2020/168836A1
Disclosed is a nuclear magnetic resonance communication device, the nuclear magnetic resonance communication device being provided with a control room communication module and a scan room communication module, the scan room communication...  
WO/2020/162289A1
A speaker diaphragm 1 according to the present invention has two or more lamination regions having different numbers of lamination layers in which a plurality of layers are laminated in the thickness direction. The average densities of t...  
WO/2020/155654A1
Disclosed is a manufacturing method for a GMR/TMR microphone, the manufacturing method comprising a front-end step and a back-end step. The front-end step comprises: sequentially forming an insulating layer, a vibrating diaphragm layer a...  
WO/2020/159652A1
A microphone assembly comprises a substrate. An acoustic transducer is disposed on the substrate and configured to generate an electrical signal responsive to an acoustic signal. An integrated circuit is disposed on the substrate and ele...  
WO/2020/140575A1
Provided is a method for manufacturing an MEMS microphone, the method comprising the following steps: selecting a substrate, and manufacturing a first diaphragm structure on a first surface of the substrate; manufacturing back plate stru...  
WO/2020/140452A1
Disclosed in an embodiment of the present application is a loudspeaker device, which comprises: earhooks, the earhooks each comprising a first insertion end and a second insertion end, the exterior of the earhooks being wrapped in a prot...  
WO/2020/140572A1
Provided is a method for manufacturing an MEMS microphone, the method comprising the following steps: selecting a substrate, and manufacturing a first diaphragm structure on a first surface of the substrate; manufacturing back plate stru...  
WO/2020/140453A1
Disclosed is a loudspeaker apparatus, comprising: ear hooks, each ear hook comprising a first insertion end and a second insertion end, a protective sleeve being wrapped around each ear hook, and the protective sleeve being made of an el...  
WO/2020/140574A1
The present invention provides an MEMS microphone manufacturing method. The method comprises the following steps: selecting a substrate and preparing a first diaphragm structure on a first surface of the substrate; preparing a back plate...  
WO/2020/133911A1
Disclosed are a processing method for a front cover, a front cover, and a sound production device. The processing method for a front cover comprises the following steps: bending the outer edge of a metal sheet to form a flange, the metal...  
WO/2020/133177A1
The present invention provides a loudspeaker component, a portable electronic equipment and a method for assembling the loudspeaker component. The loudspeaker component comprises an antenna cover plate and a loudspeaker mounted thereon. ...  
WO/2020/133334A1
Disclosed is an MEMS sound sensor, comprising: a substrate; and a first sound sensing unit and a second sound sensing unit arranged on the substrate, wherein the first sound sensing unit is used for detecting a sound by means of at least...  
WO/2020/133352A1
An MEMS sound sensor, for use in detecting sound by means of at least one of air sound pressure change and mechanical vibration. The MEMS sound sensor comprises: a back plate; a diaphragm opposite to the back plate and having a gap with ...  
WO/2020/126847A1
An inertial exciter for use with an acoustic radiator, the inertial exciter comprising: a magnet assembly including a magnet unit configured to provide a magnetic field in an air gap, wherein the air gap extends around a movement axis of...  
WO/2020/113738A1
Disclosed by the present invention are a sound-emitting device and a processing method used for a diaphragm assembly of a sound-emitting device, wherein the sound-emitting device comprises: a casing; a metal ring, which is fixed at an en...  
WO/2020/114056A1
Disclosed is an assembling method for a magnetic circuit assembly. The assembling method comprises: providing a magnetic conduction plate and a magnet, and making the magnetic conduction plate cover the magnet; providing a thermosetting ...  
WO/2020/108253A1
Disclosed are amorphous activated carbon particles and sound-absorbing particles, and a sound-producing device. The amorphous activated carbon particles comprise three elements, namely carbon, hydrogen, and oxygen. The mass ratio of carb...  
WO/2020/108249A1
Disclosed by the present invention are amorphous activated carbon particles, sound absorption particles, and a sound-emitting device. The amorphous activated carbon particles comprise carbon, hydrogen and oxygen, wherein the mass ratio o...  
WO/2020/112615A1
An acoustic transducer comprises a transducer substrate defining an aperture therein. A diaphragm is disposed on the transducer substrate. The diaphragm comprises a diaphragm inner portion disposed over the aperture such that an outer ed...  
WO/2020/108254A1
Disclosed are an amorphous activated carbon particle, a sound-absorbing particle, and a sound-producing apparatus. The amorphous activated carbon particle comprises three elements, namely carbon, hydrogen, and oxygen, where the mass prop...  

Matches 1 - 50 out of 6,818