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WO/2021/255510A1 |
A flat panel loudspeaker comprising a housing in the form of a supporting frame, a rectangular sound emitting diaphragm, and a vibration exciter disposed in a space opposite the diaphragm. The vibration exciter is attached by one end to ...
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WO/2021/257513A1 |
A loudspeaker system includes a subwoofer. The subwoofer includes a housing having a plurality of walls which together define an acoustic cavity. The plurality of walls includes a front wall, a rear wall, a top wall, a bottom wall, and a...
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WO/2021/254713A1 |
A loudspeaker comprising: a mounting frame; an acoustic radiator; a drive unit. The drive unit includes: a magnet assembly including a magnet unit configured to provide a magnetic field in an air gap, wherein the air gap extends around a...
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WO/2021/248838A1 |
The present invention relates to a vibrating diaphragm for acoustoelectric inter-conversion, the vibrating diaphragm comprising a substrate layer made of graphene or multiple layers of graphene, and a metal plating layer, wherein the met...
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WO/2021/248625A1 |
The present invention relates to a vibrating diaphragm, which is applied to acoustoelectric interchange. The vibrating diaphragm comprises: a base material layer made of graphene or multilayer graphene; and a metal coating layer which is...
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WO/2021/251549A1 |
A display device includes a head including a display formed on a front surface thereof, a circumference having a pair of long sides and a pair of short sides, and one or more first speakers provided on a left short side and one or more s...
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WO/2021/243731A1 |
Disclosed is a waterproof earphone speaker. The waterproof earphone speaker comprises: a supporting assembly; a piece of tone tuning paper attached to the back face of the supporting assembly; a magnetic circuit assembly arranged on one ...
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WO/2021/246427A1 |
[Problem] To provide an electro-acoustic transducer diaphragm which maintains a high Young's modulus and realizes moderate internal loss. [Solution] An electro-acoustic transducer diaphragm 1 includes a substrate 10 which is constituted ...
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WO/2021/246212A1 |
An embodiment of the present technology relates to a speaker comprising a diaphragm. The diaphragm includes an upper-layer member and a reinforcing member. The upper-layer member has a first surface and a second surface on a side opposit...
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WO/2021/237808A1 |
The present utility model provides a piezoelectric MEMS microphone, comprising a substrate, a diaphragm mounted on the substrate, and a protective flat plate spaced apart from the diaphragm. Reinforcing ribs are provided on the protectiv...
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WO/2021/241985A1 |
An electronic device according to various embodiments of the present disclosure may comprise: a display; a bracket for supporting at least a part of the display; an acoustic actuator which is arranged under the display, and which include...
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WO/2021/238768A1 |
The present disclosure provides a display panel and manufacturing and control methods therefor, and a display device. The display panel comprises a display assembly and a plurality of sound-producing assemblies. The display assembly comp...
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WO/2021/232476A1 |
The present utility model relates to the technical field of acoustoelectric conversion, and provides a loudspeaker, comprising: a vibration system; a magnetic circuit system that is used for driving the vibration system to vibrate and pr...
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WO/2021/232458A1 |
The present utility model relates to the technical field of acoustoelectric conversion. Provided is a speaker, which comprises: a vibration system, a magnetic circuit system, and a basket. The vibration system comprises a diaphragm fixed...
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WO/2021/232475A1 |
The present utility model provides a loudspeaker. The loudspeaker comprises a basket, a magnetic circuit system, and a vibration system. The vibration system comprises a voice coil, a framework, a first diaphragm, a second diaphragm, and...
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WO/2021/230565A1 |
An electronic device is disclosed. The electronic device may comprise: a housing; a first printed circuit board disposed in the housing; a speaker unit disposed adjacent to the first printed circuit board, the speaker unit comprising a s...
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WO/2021/224155A1 |
The present invention relates to a loudspeaker comprising - a non-perforated membrane (10) having a front surface facing in a forward direction for producing sound to be radiated outwardly from the loudspeaker in the forward direction an...
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WO/2021/208473A1 |
A diaphragm and a sound production apparatus, the diaphragm comprising a foam rubber film layer made of foam rubber (1), said foam rubber being a foam prepared using a foaming method and having a foam pore size of 10μm to 300μm, a glas...
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WO/2021/208328A1 |
The present invention relates to the technical field of speaker cones. Disclosed are a three-dimensional multi-directional reinforced cone composed of multiple planar layers, and a manufacturing method therefor. The cone has high strengt...
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WO/2021/208474A1 |
A loudspeaker vibration diaphragm and a sound production device. The loudspeaker vibration diaphragm comprises a diaphragm layer prepared from a foaming rubber. The foaming rubber is a foaming body prepared from a rubber by a foaming met...
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WO/2021/210605A1 |
The present invention has: a magnetic circuit 2 that is fixed to a support member 11; and a voice coil 3 that is fixed to a vibration member 1 and can move relative to the magnetic circuit 2. The present invention also comprises a guide ...
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WO/2021/208470A1 |
A diaphragm and a sound producing device. The diaphragm comprises a foamed thermoplastic polyester elastomer film layer (1), wherein the foamed thermoplastic polyester elastomer is prepared by means of a foaming method by a copolymer com...
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WO/2021/208475A1 |
Disclosed are a vibrating diaphragm and a miniature sound production apparatus The vibrating diaphragm comprises a foamed rubber film layer (1) made of foamed rubber, wherein the foamed rubber is a foamed body prepared by using a foaming...
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WO/2021/208471A1 |
Disclosed are a vibrating diaphragm and a sound production device. The vibrating diaphragm comprises a foamed thermoplastic polyester elastomer film layer (1), wherein the foamed thermoplastic polyester elastomer is made from a copolymer...
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WO/2021/206212A1 |
A high-performance slim speaker according to the present invention is a speaker comprising a magnetic field unit and a vibration field unit. The magnetic field unit may comprise: a lower frame that covers the lower part of the speaker an...
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WO/2021/196699A1 |
A diaphragm, a sound generating device and an electronic device, the diaphragm comprising a first metal layer (10), a foam material layer (20) and a second metal layer (30); the foam material layer (20) is disposed on the first metal lay...
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WO/2021/201180A1 |
In a vibration plate 1 for an electro-acoustic converter configured by a paper substrate 10 having, as a main component, cellulose fibers 20, the total mass of dyed particles 21 included in a first surface-side region 12, which is a regi...
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WO/2021/192517A1 |
The present invention adjusts sound while protecting privacy. A vibration system (1) is characterized by including: an oscillator (11) that transmits, to an object to be adhered, vibrations based on sound signals, thereby causing sound t...
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WO/2021/189585A1 |
The present utility model provides a microelectromechanical systems microphone chip, comprising a substrate having a back cavity, and a back electrode plate and a diaphragm which are respectively supported and fixed on the substrate, mut...
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WO/2021/194339A1 |
This disclosure presents an electroacoustic transducer comprising a diaphragm with a central region and an outer region, and a dynamic coil mechanically coupled to the diaphragm, wherein the dynamic coil is arranged on or in and wound al...
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WO/2021/192516A1 |
The purpose of the present invention is to adjust sound while protecting privacy. A vibration system (1) is characterized by comprising: a vibrator (11) for causing an object to be affixed onto to emit sound by transmitting vibrations ba...
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WO/2021/190003A1 |
Disclosed are a diaphragm (100) and a speaker (200). The diaphragm (100) comprises at least one layer (10) of thermally reversible covalently crosslinked elastomer, which has the effect of improving the heat resistance and the chemical r...
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WO/2021/186276A1 |
The invention provides a diaphragm for a microspeaker and a manufacturing method thereof. The diaphragm is a single-layer diaphragm or a multi-layer diaphragm and comprises at least one layer of a chemically cross-linked thermoplastic po...
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WO/2021/186277A1 |
The invention provides a diaphragm for a microspeaker and a manufacturing method thereof. The diaphragm is a single-layer diaphragm or a multi-layer diaphragm and comprises at least one layer of a chemically cross-linked thermoplastic po...
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WO/2021/187086A1 |
Provided are a layered piezoelectric element and an electroacoustic transducer, with which high voltage characteristics are obtained and in which electrical contact points with an electrode layer are easily maintained. A piezoelectric fi...
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WO/2021/188962A1 |
Articles and methods are provided for miniature acoustic transducers having highly compliant suspension systems despite their small size. In various examples the suspension system is molded of a liquid silicone rubber (LSR) and is molded...
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WO/2021/185224A1 |
Disclosed in the present application are a speaker and an electronic device. The speaker comprises a diaphragm, a vibration source, and a frame. The diaphragm comprises a diaphragm body and multiple add-ons; the diaphragm body comprises ...
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WO/2021/183293A1 |
An acoustic liquid transfer system comprises: a processor; a source holding component configured to hold a source microplate; a destination holding component configured to hold a destination microplate; an acoustic transducer configured ...
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WO/2021/183139A1 |
A panel audio loudspeaker includes a panel and an actuator attached to a surface of the panel and configured to cause vibration of the panel. The actuator comprises a magnetic coil in thermal communication with the panel. The panel audio...
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WO/2021/182351A1 |
This acoustic device 3 includes a piezoelectric element and a housing 30. The housing 30 has a body part 31 and a rib part 35. The body part 31 includes a vibration part 32 and a plurality of support parts 33. The rib part 35 is connecte...
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WO/2021/174568A1 |
The present invention provides a loudspeaker capable of increasing an effective vibration area. The loudspeaker comprises a housing, a vibration system and a magnetic circuit system. The vibration system comprises a vibration diaphragm, ...
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WO/2021/174569A1 |
The present invention provides a loudspeaker capable of increasing the effective vibration area. The loudspeaker comprises a housing, a vibration system and a magnetic circuit system. The vibration system comprises vibrating diaphragms, ...
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WO/2021/174578A1 |
The present invention provides a sound production device with two sound production surfaces capable of independently vibrating for sound production. The sound production device comprises a frame, a vibration system and a magnetic circuit...
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WO/2021/172934A1 |
Disclosed are a microphone device and a method of detecting floor noise. A microphone device according to an embodiment of the present invention comprises: a high-pitched sound contact microphone which receives sound from a medium within...
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WO/2021/173688A1 |
A microphone assembly includes a housing defining an acoustic cavity having a sound inlet for transmitting a sound in to the acoustic cavity. A micro-electro-mechanical (MEMS) microphone is located at least partially within the housing a...
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WO/2021/171231A1 |
Diaphragm (1) for a ribbon magnetostat (2) of a loudspeaker (3) for producing acoustic sound waves for reproducing speech and music, having the features of: the diaphragm (1) consists of a laminate having at least three layers, wherein a...
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WO/2021/172930A1 |
An exciter driver is disclosed. The exciter driver according to an embodiment of the present invention comprises: a diaphragm, of which one surface is in contact with the medium to transfer vibration; a magnet for transferring the vibrat...
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WO/2021/164804A1 |
Especially in the automotive and aviation sectors, the integration of existing acoustic transducers into the remaining surfaces of claddings in doors, sides, ceilings and panels (instrument panels) etc. is a major problem, since these ar...
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WO/2021/167620A1 |
A capacitive transducer or microphone includes a first substrate of one or more layers and which includes a first surface, a first cavity in the first surface, and a mesa diaphragm that spans the first cavity. The capacitive transducer o...
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WO/2021/153284A1 |
A speaker system (100) is provided with: an annular oscillator (101); a first bobbin (102) which has a cylindrical shape and which is physically connected to the oscillator (101); a first voice coil (103) which is wound around the first ...
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