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WO/2022/253702A1 |
A loudspeaker assembly. The loudspeaker assembly includes: a chassis; a loudspeaker, including a drive unit and a diaphragm. The diaphragm includes a body portion, an inner suspension portion and an outer suspension portion, wherein the ...
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WO/2022/247911A1 |
The present invention relates to a diaphragm that may be used in a sound generating device and a preparation method therefor, and a sound generating device. A diaphragm that may be used in a sound generating device has a multi-layer comp...
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WO/2022/247912A1 |
The present invention relates to a diaphragm applicable to sound generating devices and a preparation method therefor, and a sound generating device. The diaphragm applicable to sound generating devices only comprises one layer of a ther...
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WO/2022/239889A1 |
Embodiments relate to a diaphragm having high rigidity and high internal loss. The diaphragm may comprise: a matrix-shaped structure including a plurality of through-holes; and a graphene layer disposed in at least a part of the pluralit...
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WO/2022/226912A1 |
Disclosed in the present invention are a resonator and a method for forming same, and an electronic device. The method comprises: with regard to an SOI wafer comprising a top silicon layer, a buried oxide layer and a base silicon layer, ...
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WO/2022/223299A1 |
The invention relates to a joining method for producing a sound transducer system, comprising: providing a piezoelectric material (3) and a plurality of components, each of the components being characterised by a solidus temperature; arr...
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WO/2022/219717A1 |
An ultrasound transducer (100) includes a vibration plate (2) and a housing (1). The vibration plate (2) is capable of vibrating. The housing (1) is connected to the vibration plate (2). The vibration plate (2) has an opening (OP). The h...
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WO/2022/217226A1 |
A diaphragm for an audio transducer includes an annular body defining a central aperture, a first surface of the body extending between a radially inner edge adjacent the aperture and a radially outer edge, and a second surface of the bo...
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WO/2022/209772A1 |
The present invention provides an ultrasonic probe adaptive to high-frequency driving, a method for manufacturing the ultrasonic probe, and an ultrasonic diagnosis device. An ultrasonic probe (100) is provided with an acoustic matching...
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WO/2022/201316A1 |
The present invention provides a MEMS device including: a substrate 1 having an opening 1a; a vibrating membrane 3 formed on the substrate 1 via an insulating film 2, a slit 3a being intermittently formed along an edge in the peripheral ...
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WO/2022/062816A9 |
A diaphragm and a sound generating apparatus. The diaphragm comprises at least one elastomer layer, and the elastomer layer is made of a rubber compound. The rubber compound comprises nitrile rubber and hydrogenated nitrile rubber. Both ...
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WO/2022/191192A1 |
A piezoelectric element comprising a support (10) and a vibration portion (20) disposed on the support (10), the vibration portion (20) including a support region (21a) supported on the support (10) and a plurality of vibration regions (...
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WO/2022/176637A1 |
This pressure wave generating element comprises a support body 10 and a fiber layer 20 that is provided upon the support body 10 and that generates heat from the application of electric current. The fiber layer 20 includes fibers fb havi...
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WO/2022/176651A1 |
This pressure wave generating element comprises a support body 10 and a fiber layer 20 that is provided upon the support body 10 and that generates heat from the application of electric current. The fiber layer 20 includes fibers having ...
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WO/2022/173372A1 |
An electro-acoustic transducer (100, 300, 405, 500, 530, 560) is disclosed. The electro-acoustic transducer comprises a membrane (105, 305, 515, 575), a magnet (115, 315), a substrate (140, 340) and at least one optical device (145a-d, 3...
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WO/2022/173371A1 |
An electro-acoustic transducer (100, 300, 405, 500, 530, 560) is disclosed. The electro-acoustic transducer comprises a membrane (105, 305, 515, 575), a magnet (115, 315) and at least one laser (145a-d, 345a-d, 505a-b, 510a-b, 535a-b, 54...
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WO/2022/160942A1 |
A vibrating diaphragm (21) and a sound production device. The vibrating diaphragm (21) is prepared by means of a casting molding process. Raw materials of the vibrating diaphragm (21) comprise liquid fluorine rubber and a vulcanizing age...
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WO/2022/160687A1 |
A diaphragm and a sound production device. The diaphragm (20) is prepared by using casting polyurethane, the casting polyurethane is made of a polyurethane prepolymer and a compounding agent by means of vulcanization, the polyurethane pr...
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WO/2022/160944A1 |
A diaphragm and a sound generating apparatus. The diaphragm (20) is prepared by using cast polyurethane, the cast polyurethane is made by adding a compounding agent to a polyurethane prepolymer for crosslinking, the polyurethane prepolym...
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WO/2022/160683A1 |
A diaphragm and a sound generating device. The diaphragm (20) is prepared by using a casting polyurethane, which is prepared from a polyurethane prepolymer and a compounding agent by means of vulcanization. The polyurethane prepolymer is...
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WO/2022/160690A1 |
A diaphragm and a sound producing device. Raw materials of a diaphragm (21) comprise alkane liquid rubber and a vulcanizing agent; the alkene liquid rubber is saturated olefin liquid rubber; the diaphragm (21) is prepared by means of a c...
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WO/2022/160947A1 |
A diaphragm (20) and a sound generation device. The diaphragm (20) is prepared from castable polyurethane. The castable polyurethane is prepared by reacting a polyurethane prepolymer with a complexing agent by cross-linking. The polyuret...
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WO/2022/160688A1 |
A diaphragm (20) and an acoustic loudspeaker (100). The diaphragm (20) is prepared by utilizing a casting-type polyurethane, the casting-type polyurethane is made via vulcanization of a polyurethane prepolymer and an additional auxiliary...
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WO/2022/151770A1 |
The present invention relates to a microphone component and a manufacturing method therefor. The manufacturing method comprises: providing a conductive back plate, a polysilicon diaphragm, a substrate and a support structure, wherein the...
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WO/2022/138175A1 |
A backing material for an ultrasonic probe according to the present invention comprises a carbonaceous matrix that has communicating holes distributed in said matrix, and a resin with which the communicating holes are filled.
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WO/2022/139065A1 |
Disclosed is a surrounding (suspension)-omitted speaker driver comprising: a magnet part disposed to have a configured shape; a vibration part disposed adjacent to the magnet part to generate sound through vibrations; and a winding part ...
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WO/2022/126768A1 |
Provided in the present utility model is a speaker housing, comprising: a housing, which is provided with an accommodating space and provided with a holed area; a sound-producing unit, which is accommodated within the accommodating space...
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WO/2022/126788A1 |
The present invention provides a loudspeaker box, comprising a housing and a sound production unit that is accommodated in the housing and comprises a vibration diaphragm. The housing comprises a front cover and a rear cover that covers ...
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WO/2022/126766A1 |
Provided is a loudspeaker cabinet. The loudspeaker cabinet comprises a shell with an accommodating space, and a sound production unit. The shell comprises a plastic member and a reinforcing rigid body injected to the plastic member. The ...
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WO/2022/126765A1 |
Provided is a sound production device, comprising a frame, a vibration system and a magnetic circuit system for driving the vibration system to vibrate to produce sound, the vibration system and the magnetic circuit system being fixed to...
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WO/2022/126769A1 |
The present invention provides a loudspeaker box and an assembly process therefor. The loudspeaker box comprises a housing and a sound production unit accommodated in the housing; the housing comprises a front cover made of a metal mater...
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WO/2022/126786A1 |
The present invention provides a loudspeaker box, comprising a front cover, a rear cover which is assembled with the front cover to form an accommodating cavity, and a sound generating unit and an air-permeable isolation cover provided i...
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WO/2022/126782A1 |
The present invention provides a loudspeaker box, comprising a housing having an accommodating space and a sound production unit having a diaphragm. The sound production unit is accommodated in the housing and provided with a bonding pad...
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WO/2022/113990A1 |
The present invention provides: a multilayer film for speaker diaphragms, said multilayer film having both high storage elastic modulus E' and high internal loss Tanδ, while exhibiting excellent productivity, excellent economic performa...
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WO/2022/110420A1 |
Provided are a piezoelectric MEMS microphone, and an array thereof and a preparation method therefor. The piezoelectric MEMS microphone comprises a substrate having a back cavity, and a piezoelectric vibrating diaphragm fixed on the subs...
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WO/2022/113128A1 |
A sound reproducing device (1) is described comprising: a plurality of resonant elements (3); a plurality, and preferably two, cover elements (5) operatively connected with at least one of said resonance elements (3); at least one coveri...
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WO/2022/104928A1 |
The present application provides a MEMS microphone chip. The MEMS microphone chip includes a substrate provided with a back cavity, a diaphragm disposed on the substrate, and a back plate disposed on one side of the diaphragm distant fro...
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WO/2022/102260A1 |
Provided is a speaker in which the outer peripheral part 2a of an edge 2 is disposed on an edge attachment part 1b of a resin frame 1, and in which the edge 2 is attached by a resin ring 3 provided to the front surface side thereof, wher...
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WO/2022/099790A1 |
Provided is a vibrating diaphragm mould. The mould comprises: a mould body; a folded-ring-type core part, wherein the folded ring-type core part is annular, and is formed by protruding the top face of the mould body; a mesopore-type core...
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WO/2022/097180A1 |
A sound reproducing device (1) is described, comprising at least a first resonance element (3) operatively connected to at least one second resonance element (5) by at least one covering element (9), the second resonance element (5) bein...
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WO/2022/088215A1 |
The present application provides a dual voice coil winding method and a dual voice coil winding device, comprising the following steps: winding a first voice coil on a winding station; moving the wound first voice coil from the winding s...
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WO/2022/088496A1 |
Provided in the present invention are an integrated packaged module manufacturing method, an integrated packaged module, and an electronic device. The integrated packaged module manufacturing method comprises the following steps: assembl...
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WO/2022/075114A1 |
This laminate structure (10) comprises: a frame body (20) which has a first surface (20a) and a second surface (20b) which face the directions opposite to each other in the thickness direction thereof, and which has a film body (22) supp...
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WO/2022/070927A1 |
The present invention is an acoustic matching layer material that comprises a thermosetting resin component and inorganic filler particles, and satisfies the following formula (1) relating to the cross-sectional area of the inorganic fil...
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WO/2022/061492A1 |
Disclosed is a cone paper body production device. The cone paper body production device comprises: a pulping mechanism, a feeding mechanism, a material extracting mechanism and a forming mechanism. The pulping mechanism comprises a pulpi...
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WO/2022/061488A1 |
Disclosed in the present invention is a speaker cone body forming apparatus. The speaker cone body forming apparatus comprises: a forming mechanism, the forming mechanism being used for receiving fibre slurry and forming the fibre slurry...
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WO/2022/062815A1 |
Disclosed are a diaphragm of a sound generating apparatus and a sound generating apparatus. The diaphragm comprises at least one elastic body layer, the elastic body layer being made of mixed rubber. The mixed rubber is obtained by mixin...
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WO/2022/061481A1 |
Disclosed in the present invention is a cone paper body production method. The cone paper body production method comprises the following steps: S1, mixing a fiber material with water, and crushing the fiber material to form fiber slurry;...
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WO/2022/065548A1 |
A speaker is disclosed. The speaker of the present disclosure comprises: a diaphragm, which is formed in a dome shape and can vibrate; a phase plug, which is separated from the diaphragm, covers a portion of the upper surface of the diap...
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WO/2022/061486A1 |
Disclosed in the present invention is a drum paper carcass forming method. The drum paper carcass forming method comprises the following steps: S1. performing preliminary press molding on a fiber pulp to form a preliminary press part; S2...
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