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Patent Searching and Data


Matches 351 - 400 out of 13,294

Document Document Title
WO/2021/153742A1
Provided is a vehicular speaker that is capable of achieving acoustic output of constant characteristics irrespective of the dimension or configuration of overall interior materials in use, and that can be constructed with a smaller numb...  
WO/2021/147492A1
Provided in the present invention is a vibrating diaphragm, comprising a vibrating diaphragm main body, wherein the vibrating diaphragm main body comprises a fixed part on the outer side thereof, a bendable ring part which is arranged on...  
WO/2021/149517A1
The present technology relates to a display device and a speaker device that are capable of outputting a sound from a display surface of a non-self-emitting display panel. Provided is a display device that includes: a display-panel unit ...  
WO/2021/144400A1
The invention relates to an MEMS transducer that comprises a vibrating diaphragm (1) for producing or picking up pressure waves in a fluid in a vertical direction, wherein the vibrating diaphragm (1) is held by a support (4) and the vibr...  
WO/2021/141725A1
An audio assembly provides audio content to a user. The audio assembly comprises an elongated body, a negative vent assembly, and a positive vent assembly. The elongated body includes an audio waveguide. The negative vent assembly is cou...  
WO/2021/134168A1
Provided in the present application is an electret bone conduction microphone, which comprises a housing having an accommodating space, a circuit board fixed to the housing and enclosed with the housing to form an accommodating space, an...  
WO/2021/134681A1
Provided is a sound emission device, comprising: a basket having an accommodation space; and a magnetic circuit system and a vibration system accommodated in the accommodation space. The magnetic circuit system comprises a yoke. The vibr...  
WO/2021/134310A1
Provided is a loudspeaker, comprising a frame provided with an accommodating cavity, and a magnetic circuit system and a vibration system which are accommodated in the accommodating cavity. The vibration system comprises an upper sound d...  
WO/2021/134672A1
Provided is a piezoelectric MEMS microphone, comprising a substrate provided with a back cavity, a vibrating diaphragm suspended in the back cavity, and an elastic support piece connected between the vibrating diaphragm and the substrate...  
WO/2021/137424A1
A display apparatus including a display panel configured to display an image in a front direction; a main speaker provided on a rear surface of the display panel; and an auxiliary speaker provided on the rear surface of the display panel...  
WO/2021/134189A1
Disclosed in the utility model is a diaphragm, comprising a central portion and a surrounding portion. The surrounding portion comprises a surrounding upper surface and a surrounding lower surface opposite to the surrounding upper surfac...  
WO/2021/134495A1
Provided is a diaphragm. The diaphragm comprises: a dome at a central position, a surround portion surrounding the dome, and a fixing portion formed to surround the surround portion and extend outwards, wherein the dome comprises an oute...  
WO/2021/135870A1
A diaphragm (100) and a speaker (200). The diaphragm (100) comprises at least one thermoplastic elastomeric base layer (10) and an elastomeric coating (20). At least one surface of the diaphragm (100) is a thermoplastic elastomeric base ...  
WO/2021/128330A1
Provided is a sound generation device, comprising a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system comprises an annular upper vibrating diaphragm, a lower vibrating diaphragm, a voice coil, an...  
WO/2021/128118A1
The present invention provides a diaphragm dome, comprising: a foaming material layer; a carbon fiber unidirectional belt layer at least provided in the direction of one side of the foaming material layer; and a reinforcing layer at leas...  
WO/2021/130212A1
A non-planar chemical vapour deposition polycrystalline diamond body has a dome body having an apex and an outer periphery. The dome body has an average radius of curvature in a range of 4 mm to 25 mm and a maximum linear dimension at th...  
WO/2021/128331A1
Provided is a sound generation device, comprising a basin frame, a vibration system and a magnetic circuit system, wherein the magnetic circuit system is provided with a magnetic gap; the vibration system comprises a vibrating diaphragm,...  
WO/2021/128332A1
Provided in the present invention is a sound production device, comprising a basin frame, a vibration system, and a magnetic circuit system, the vibration system comprising an annular upper diaphragm, a lower diaphragm, a voice coil, an ...  
WO/2021/128336A1
The present utility model provides a sound production device, comprising a basin frame, a vibration system and a magnetic circuit system which are respectively fixed to the basin frame, the magnetic circuit system driving the vibration s...  
WO/2021/129263A1
Provided in the present application is a loudspeaker inner core comprising a first frame, a first vibrating diaphragm, and a first piezoelectric element. The first vibrating diaphragm comprises a middle portion and an edge portion surrou...  
WO/2021/131705A1
A speaker including: a vibrating plate having a sound-emitting surface that emits sound; a drive unit that drives the vibrating plate on the basis of an audio signal indicating audio limited to a prescribed frequency band; and an acousti...  
WO/2021/128335A1
The present invention provides a sound production device, which comprises a frame, a vibration system, and a magnetic circuit system. The vibration system comprises an upper vibrating diaphragm, a lower vibrating diaphragm, a voice coil,...  
WO/2021/119994A1
Disclosed in the utility model is a vibrating diaphragm, comprising a middle part, a folding ring part arranged on the outer side of the middle part in a surrounding manner, and a fixing part arranged on the outer side of the folding rin...  
WO/2021/119912A1
The present application provides a diaphragm and a loudspeaker; the diaphragm comprises a dome located at the center, a folding ring part arranged surrounding the outer side of the dome, and a connecting part arranged surrounding the out...  
WO/2021/119916A1
The present utility model provides a vibrating diaphragm, and a loudspeaker. The vibrating diaphragm comprises a dome located at the center, a suspension surrounding the outer side of the dome, and a connecting part surrounding the outer...  
WO/2021/119905A1
The present application provides a sound diaphragm and a speaker. The sound diaphragm comprises a top dome portion located at the middle position, a bent annular portion provided around the top dome portion, and a fixing portion extendin...  
WO/2021/120287A1
Disclosed is a sound production apparatus, comprising: a housing, in which a metal piece is embedded; a diaphragm and a voice coil. The housing is provided with an accommodating space, and the diaphragm and the voice coil are arranged wi...  
WO/2021/119913A1
Provided in the present utility model are a diaphragm and a speaker. The diaphragm comprises a dome located at the center position, a folded ring part provided surrounding the outside of the dome, and a connecting part provided surroundi...  
WO/2021/119914A1
Provided by the present utility model are a diaphragm and a loudspeaker. The diaphragm comprises a dome located at a central position, a folding ring part arranged around the outside of the dome and a connecting part arranged around the ...  
WO/2021/119917A1
Provided in the present application are a diaphragm and a speaker. The diaphragm comprises a dome located at a central position and a folding ring portion arranged around the outer side of the dome; the folding ring portion comprises an ...  
WO/2021/119918A1
Provided in the present utility model are a vibrating diaphragm and a loudspeaker. The vibrating diaphragm comprises a dome located at the central position and a bending ring part surrounding the outer side of the dome; the bending ring ...  
WO/2021/126181A1
An actuator includes a voice coil and a moving magnet assembly. The coil is attached to a panel extending in a plane. A first portion of the coil includes a first set of windings arranged in a spiral extending parallel to the plane. The ...  
WO/2021/118920A1
A panel audio loudspeaker includes an actuator module. The actuator module includes an intermediate layer. The intermediate layer has a voice coil connected to the intermediate layer at a first surface. The actuator module includes a mag...  
WO/2021/118082A1
A display device and a video wall display system including same are provided. The display device comprises: a pixel circuit layer including a plurality of transistors; first and second electrodes formed on the same layer of the pixel cir...  
WO/2021/118468A1
There is provided a method of forming a thin film-based microfluidic electronic device. The method includes: providing a first elastomeric thin film layer on a substrate; depositing a first elastomer on the first elastomeric thin film by...  
WO/2021/114211A1
Disclosed is a sound production device, comprising a basket frame, and a vibration system and a magnetic circuit system, which are separately fixed to the basket frame, the magnetic circuit system being provided with a magnetic gap, wher...  
WO/2021/117663A1
The present invention makes adhesion between a voice coil and a bobbin secure and robust, improves input resistance, and prevents a diaphragm from falling from the voice coil bobbin. Provided is a speaker in which a neck portion is forme...  
WO/2021/114308A1
The present utility model provides a flexible circuit board, comprising a flexible circuit board main layer and a reinforcement layer attached on the flexible circuit board main layer. The flexible circuit board main layer comprises a fi...  
WO/2021/117575A1
This voice output device is provided with a function mechanism that exhibits a prescribed function, a vibration mechanism for causing a member constituting the function mechanism to be vibrated as the member to be vibrated, and a vibrati...  
WO/2021/114278A1
Provided is a sound production device, comprising a basket, and a vibration system and a magnetic circuit system which are used for driving the vibration system to vibrate for sound production and which are respectively fixed on the bask...  
WO/2021/111676A1
A magnetic circuit (160) comprises a yoke (161), a first magnet (163), and a second magnet (164). The first magnet (163) is fixed to the yoke (161) in a posture in which a first magnetic pole of the first magnet (163), which is one of th...  
WO/2021/109096A1
Provided is a sound production device, comprising a basket, and a vibration system and a magnetic circuit system for driving the vibration system to vibrate and sound which are respectively fixed on the basket. The vibration system compr...  
WO/2021/104006A1
Disclosed is an electroacoustic transducer comprising a central magnet, two first side magnets, two second side magnets, a voice coil, a voice diaphragm and two flexible circuit boards. The two first side magnets are symmetrically arrang...  
WO/2021/106628A1
An acoustic vibration plate 10 is provided with a metal foil 11 and a thermoplastic resin film 12 laminated on the metal foil 11. The ratio of a linear coefficient of expansion CTEZ in the thickness direction to a linear coefficient of e...  
WO/2021/102056A1
An acoustic transducer that includes a housing, a diaphragm, a spider, a motor, and a drop ring. The motor includes a backplate, a frontplate, a magnet, and a voice coil. The drop ring connects the diaphragm to the spider at a circumfere...  
WO/2021/100428A1
The present invention addresses the problem of providing an electroacoustic converter having a diaphragm and a piezoelectric element, the electroacoustic converter making it possible to replace the piezoelectric element and prevent degra...  
WO/2021/101897A1
An electro-acoustic transducer, comprising a supporting frame, a magnet assembly with an annular yoke surrounding a magnet a diaphragm attached to the front edge of the supporting frame, a voice coil suspended by the diaphragm in a gap f...  
WO/2021/100958A1
According to the present invention, disclosed is a high-performance slim speaker, wherein a plate and an external magnetic body are divided into n segments (where n is a natural number of 2 or more). A support part is supported by the ou...  
WO/2021/098625A1
Disclosed in the present invention are a sound generating device unit and electronic equipment. The sound generating device unit comprises a housing, a vibration system and a pad assembly, and the housing is made of a first material; the...  
WO/2021/095187A1
Provided is a speaker device comprising a vibration device and a diaphragm, wherein the speaker device is excellent in acoustic characteristic and in outward appearance and vibration generated from the vibration device can be efficiently...  

Matches 351 - 400 out of 13,294