Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 6,796

Document Document Title
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...  
WO/2020/094412A1
A method of manufacturing a semiconductor transducer device comprises providing a semiconductor body (1), forming a sacrificial layer (5) above a surface of the semiconductor body (1), applying a diaphragm (10) on the sacrificial layer (...  
WO/2020/064863A3
An interior component of a vehicle comprises a carrier having a front face directed toward a passenger compartment of the vehicle and an opposite rear face; a speaker including an at least partially transparent diaphragm and a transducer...  
WO/2020/087756A1
The present invention discloses a sounding device and the processing method therefor as well as an earphone. The sounding device comprises: a magnetic circuit system; the magnetic circuit system comprises a magnet yoke, the magnet yoke h...  
WO/2020/075379A1
Provided is a speaker edge characterized by having a urethane foam molded by hot pressing and an elastomer sheet closely bonded to the surface of the urethane foam, and moreover characterized in that the urethane foam and the elastomer s...  
WO/2020/070046A1
The invention relates to a planar loudspeaker, comprising a flat tone panel, a holder, at least one drive unit, preferably fixed to the holder, for driving the tone panel, and at least one stabilization apparatus, not enclosing the drive...  
WO/2019/060021A8
A MEMS microphone includes a substrate, a lower membrane supported on the substrate, an upper membrane suspended above the lower membrane, a first electrode supported on the lower membrane, and a second electrode supported on the upper m...  
WO/2020/057111A1
The present disclosure provides a head wearing apparatus having an adjustable bone conduction acoustic device. The bone conduction acoustic device is movably connected to the head wearing apparatus, the movement manner at least including...  
WO/2020/051225A1
An acoustic transducer includes a first flexible structure having a top surface and a bottom surface. A transducer is attached to the top surface of the first flexible structure, wherein the transducer causes deformation of the first fle...  
WO/2020/037899A1
A diaphragm applied to a sound producing device, a sound producing device, and a method for assembling the same. The diaphragm comprises a film layer prepared by means of a crosslinking reaction of at least one of an ethylene-acrylate co...  
WO/2020/024815A1
An ultrasonic generator comprises: a substrate; a lower electrode positioned above the substrate; an upper electrode positioned above the lower electrode; and an ultrasonic generation unit positioned between the lower electrode and the u...  
WO/2020/023317A1
Microphone devices and methods for manufacturing microphone devices that include a substrate having a first surface and a second surface, a cover secured to the first surface of the substrate to form an enclosed back volume, an applicati...  
WO/2020/022459A1
The present invention addresses the problem of providing a speaker diaphragm capable of uniformly increasing rigidity over all regions. This speaker diaphragm 1 comprises a substrate having: a resin matrix 2 whose main component is a the...  
WO/2019/237604A1
A speaker diaphragm and a speaker. The diaphragm comprises two surface layers composited together and at least one intermediate layer positioned between the two surface layers, at least one of the surface layers being a thermoplastic pol...  

Matches 1 - 50 out of 6,796