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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...
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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...
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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...
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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...
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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...
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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...
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WO/2021/093927A1 |
The present invention relates to a waterproof speaker (100) comprising a frame structure comprising a support element (107), a moveable membrane comprising a waterproof suspension element (110) and a waterproof piston element (108), wher...
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WO/2021/095758A1 |
Provided is an acoustic diaphragm having the characteristics required for a vibration part and an edge part. The acoustic diaphragm comprises a vibration part 11 and an edge part 12 located at the outer periphery of the vibration part, b...
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WO/2021/093116A1 |
Disclosed is a composite vibrating diaphragm for a sound production device. In the composite vibrating diaphragm, a rubber layer and an adhesive diaphragm layer are compounded to form a composite structure, such that the temperature resi...
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WO/2021/093114A1 |
Provided are a vibrating diaphragm and a sound production device, the vibrating diaphragm comprising a central part, wherein a surface of the central part is provided with a first connection area and a second connection area, the first c...
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WO/2021/093117A1 |
The present invention provides a diaphragm. The diaphragm comprises at least one layer of amorphous polyether ether ketone material, and comprises a central portion, a bent ring portion, and a fixed portion, and the crystallized diaphrag...
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WO/2021/088241A1 |
Disclosed is a dustproof and anti-air-blowing micro-electro-mechanical microphone chip, comprising a substrate, and a diaphragm and a back plate sequentially arranged on the upper side of the substrate. Air release valves are arranged on...
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WO/2021/088225A1 |
Disclosed are an acoustic device and electronic apparatus. The acoustic device comprises a sound production unit and a first housing. The sound production unit is mounted on the first housing to form a sound production assembly. A first ...
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WO/2021/091233A1 |
Provided is a built-in speaker module. The built-in speaker module, which has a first floor surface spaced apart from the ground and a second floor surface installed above the first floor surface, comprises: a speaker installed on the se...
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WO/2021/090983A1 |
The present invention relates to a foldable image display device which allows screen display and sound reproduction in all directions, regardless of folded and unfolded states, by using a flexible display, and amplifies the production of...
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WO/2021/091243A1 |
A microphone according to the present invention comprises: a case in which a recess having an open upper portion is formed; a diaphragm part that is located on the recess and is formed to have elasticity so as to be variably displaced by...
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WO/2021/085476A1 |
The present invention pertains to a sound emission device provided with: a speaker unit; and an enclosure of the speaker unit, which has an opening unit that forms a Helmholtz resonator. The resonance frequency Fr of the Helmholtz resona...
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WO/2021/082250A1 |
Disclosed are a diaphragm for a sound producing device and a sound producing device. The diaphragm comprises an isoprene rubber film layer. The isoprene rubber film layer is a film layer prepared by crosslinking an isoprene polymer. The ...
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WO/2021/082244A1 |
Disclosed are a vibration diaphragm for a miniature sound production device, and a miniature sound production device. The vibration diaphragm is made of a natural rubber comprising a polyisoprene. The mass fraction of the polyisoprene in...
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WO/2021/082246A1 |
Disclosed are a vibration diaphragm for a miniature sound production device, and a miniature sound production device. The vibration diaphragm is made of a styrene-butadiene rubber. The styrene-butadiene rubber is made by crosslinking and...
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WO/2021/082254A1 |
A diaphragm of a sound production device and a sound production device. The diaphragm comprises at least one elastomer layer. The elastomer layer is made of ethylene-vinyl acetate rubber. The ethylene-vinyl acetate rubber is formed by co...
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WO/2021/082239A1 |
Disclosed are a vibration diaphragm for a miniature sound-producing device and a miniature sound-producing device. The vibration diaphragm is made of a fluororubber. The fluororubber includes fluorine molecules in the main chain and/or s...
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WO/2021/082253A1 |
Disclosed are a vibration diaphragm for a sound-producing device and a sound-producing device. The vibration diaphragm comprises at least one elastomer layer, wherein the elastomer layer is made of a butadiene rubber; and the butadiene r...
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WO/2021/081589A1 |
A contact sensor for monitoring breathing of a subject, comprising: a microphone housing defining a first acoustic cavity, a MEMS microphone disposed within the first acoustic cavity; a second acoustic cavity separated from the first aco...
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WO/2021/082248A1 |
Disclosed in the present invention are a diaphragm for a miniature sound generating device, and a miniature sound generating device. The diaphragm comprises at least one elastomer layer, the elastomer layer being made of chloroprene rubb...
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WO/2021/084393A1 |
The present invention provides an acrylic damping adhesive. The acrylic damping adhesive comprises a crosslinked structure of a carboxy-containing acrylic polymer with a glass transition temperature less than or equal to -20 °C °C and ...
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WO/2021/082255A1 |
Disclosed are a vibration diaphragm for a sound-producing device and a sound-producing device. The vibration diaphragm comprises at least one elastomer layer, wherein the elastomer layer is made of a polysulfide rubber; the polysulfide r...
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WO/2021/082245A1 |
Disclosed in the present invention are a vibrating diaphragm for a miniature sound production device and the miniature sound production device. The vibrating diaphragm is made of nitrile rubber; the nitrile rubber is prepared by cross-li...
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WO/2021/082247A1 |
Disclosed in the present invention are a vibrating diaphragm of a sound generation device and a sound generation device. The vibrating diaphragm comprises a fluorosilicone rubber film layer, the fluorosilicone rubber comprises a linear p...
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WO/2021/082033A1 |
Provided are a sound actuator for a screen and an electronic apparatus. The present sound actuator for a screen comprises a first magnetic circuit system, an electromagnetic drive system, and a second magnetic circuit system, mounted in ...
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WO/2021/082249A1 |
Disclosed are a vibration diaphragm for a micro sound-producing device and a micro sound-producing device. The vibration diaphragm comprises at least one elastomer layer, wherein the elastomer layer is made of a modified polyethylene rub...
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WO/2021/079769A1 |
A speaker according to an embodiment of the present invention is provided with: a diaphragm; an actuator mechanism; a first link mechanism; and a second link mechanism. The actuator mechanism has an actuator, and generates first vibratio...
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WO/2021/075815A1 |
A flat panel type vibration driver according to an embodiment of the present invention comprises: a base frame; a vibration unit arranged inside the base frame and vibrating vertically by a magnetic circuit; and a suspension connecting t...
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WO/2021/063110A1 |
The present invention provides an ultrathin conductive vibration diaphragm, comprising a conductive composite layer. The conductive composite layer comprises an outer conductive portion, an inner copper foil portion, a connection portion...
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WO/2021/062955A1 |
Provided in the present invention is a sound-producing apparatus, comprising a vibration assembly and a magnetic path assembly, the vibration assembly comprising a diaphragm, and the diaphragm vibrating to produce sound waves; a middle a...
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WO/2021/056900A1 |
Disclosed is a sound production device, comprising a housing, and a vibration system and a magnetic circuit system installed on the housing, wherein the vibration system comprises a diaphragm assembly and a voice coil assembly fixedly co...
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WO/2021/058006A1 |
Disclosed in the present invention are a conductive film for a sound production device and the sound production device. The conductive film comprises a conductive layer and base material layers located at two sides of the conductive laye...
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WO/2021/060214A1 |
The present invention provides a vibration device using a glass vibration plate that forms uniform acoustic pressure distribution and can suppress directivity. This vibration device (100) comprises: a glass vibration plate (11); oscillat...
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WO/2021/058008A1 |
Disclosed are a conductive film for a sound production apparatus, and a sound production apparatus. The conductive film comprises a conductive layer, and a first substrate layer and a second substrate layer located on two sides of the co...
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WO/2021/054295A1 |
[Problem] To provide a higher performance and higher quality curved diaphragm speaker system that has sufficient performance for both hearing-impaired and hearing people. [Solution] A speaker unit 10 according to the present invention is...
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WO/2021/054707A1 |
A moving coil for a flat panel speaker, according to an embodiment of the present invention, comprises a PCB coil and a metal coil. A single or a plurality of PCB coil plates are formed in a single or multiple layers. The PCB coil is pri...
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WO/2021/047959A1 |
A microstructure (1) for use in a micro electro-mechanical device comprises a substrate (2) having a top surface (3) and a rear surface (4) and a thin-film structure (5) arranged at the top surface (3) of the substrate (2). The thin-film...
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WO/2021/049165A1 |
The present invention comprises a plurality of exciters that output sound in a prescribed frequency range, and a plurality of piezoelectric speakers that output sound in a higher frequency range than the exciters. The plurality of excite...
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WO/2021/045324A1 |
A sound output device according to the present disclosure comprises: a speaker for generating sound; a guide tube which is formed in a hollow tube shape, and which receives the sound generated by the speaker through one end thereof and o...
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WO/2021/040520A1 |
The invention relates to a speaker-element for a speaker, comprising two substantially mutually opposing spaced apart membrane planes, wherein each membrane plane comprises at least one electromagnetic wire arranged for creating a magnet...
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WO/2021/038552A1 |
Techniques described herein generally relate to generating an audio signal with a speaker. In some examples, a speaker device is described that includes a membrane and a shutter. The membrane can be configured to oscillate along a first ...
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WO/2021/031495A1 |
Disclosed in the present invention are a conductive membrane for use in a sound-producing apparatus and a sound-producing apparatus, comprising a conductive layer and a first base material layer and a second base material layer attached ...
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WO/2020/086852A9 |
An improved loudspeaker system that produces an improved audio quality for stereophonic sound, which can be described as 3D audio. In one embodiment, the improved loudspeaker utilizes at least three stacks of electrostatic transducer car...
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WO/2021/031496A1 |
Disclosed are a conductive film for a sound producing apparatus and a sound producing apparatus. The conductive film comprises a conductive layer and substrate layers bonded to two surfaces of the conductive layer, the substrate layers c...
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WO/2021/033376A1 |
Provided is a piezoelectric vibration plate 11 comprising: an electrically conductive base part 100 having a central section 110 and a peripheral section 120 surrounding the central section 110; and a piezoelectric material part 150 prov...
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