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Matches 1 - 50 out of 20,279

Document Document Title
WO/2019/210699A1
Provided is a sound production device, comprising a sound production monomer and a fixing assembly, wherein the fixing assembly comprises a first fixing plate and a second fixing plate; the first fixing plate is provided at a first end s...  
WO/2019/205708A1
Provided in an embodiment of the present invention are a sound emission device and an electronic apparatus. The sound emission device comprises a vibration system, a magnetic circuit system and a housing. The housing comprises an install...  
WO/2019/205713A1
The embodiment of the present invention provides a loudspeaker module and electronic equipment. The loudspeaker module comprises a housing and a loudspeaker unit; a closed rear acoustic cavity is formed between the loudspeaker unit and t...  
WO/2019/205659A1
The present application discloses a sound producing device, a sound producing module, and an electronic terminal. The sound producing device comprises a magnetic circuit system, a vibration assembly, and a circuit board. The magnetic cir...  
WO/2019/205661A1
The present invention discloses a sound producing unit, a sound producing module, and an electronic terminal. The sound producing unit comprises a magnetic circuit system, a vibration system, and a circuit board. A voice coil of the vibr...  
WO/2019/205657A1
The present application discloses a sound producing unit and a sound producing module. The sound producing unit comprises a magnetic circuit system and a vibration system. The magnetic circuit system comprises: a magnetic yoke; and a cen...  
WO/2019/205721A1
Provided in an embodiment of the present invention are a sound emission device and an electronic apparatus. The sound emission device comprises a vibration system, a magnetic circuit system, a housing and an antenna. The housing comprise...  
WO/2019/205658A1
The present application discloses a sound producing device, a sound producing module, and an electronic terminal. The sound producing device comprises a magnetic circuit system, a vibration assembly, and a circuit board. The magnetic cir...  
WO/2019/206065A1
Provided in the present disclosure are a motor and a mobile terminal. The motor comprises: a sound emitting component, a vibration component and a housing; the housing is internally provided with a hollow chamber, and the sound emitting ...  
WO/2019/205720A1
Provided is a sound-emitting device, comprising a magnetic circuit system and a vibration system, wherein the magnetic circuit system comprises a magnetic yoke, and a magnetic circuit part provided on one side of the magnetic yoke; side ...  
WO/2019/205518A1
The present application relates to a sound-emitting device for an electronic product and the electronic product. The sound-emitting device comprises a sound-emitting device body and a seal, wherein the sound-emitting device body comprise...  
WO/2019/205712A1
Disclosed is a sound emission device, comprising: a vibration diaphragm; a voice coil; and a spider. The voice coil is formed by winding two voice coil wires and has four wire ends extending therefrom. The vibration diaphragm is connecte...  
WO/2019/205714A1
Disclosed in the present invention is a sound-emitting apparatus. The sound-emitting apparatus has a rectangular structure, and comprises: a magnetic circuit system, the magnetic circuit system comprising a central magnetic part and an e...  
WO/2019/205711A1
Disclosed is a sound emission device, comprising: a vibration diaphragm; a voice coil; and two spiders. The voice coil is formed by winding two voice coil wires and has four wire ends extending therefrom. The vibration diaphragm is conne...  
WO/2019/205656A1
The present application discloses a sound producing device, a sound producing module, and an electronic terminal. The sound producing device comprises a magnetic circuit system, a vibration assembly, and a circuit board. The magnetic cir...  
WO/2019/205660A1
The present invention discloses a sound producing unit, a sound producing module, and an electronic terminal. The sound producing unit comprises a magnetic circuit system, a vibration system, and a circuit board. A voice coil of the vibr...  
WO/2019/205710A1
The present invention discloses a sound producing device. The sound producing device comprises: a voice coil, from which four lead ends extend; and an electrical connector, comprising four inner electrical connection points and at least ...  
WO/2019/205719A1
Disclosed is a sound-producing device, comprising a magnetic circuit system and a vibration system. The magnetic circuit system comprises a magnetic yoke, a magnet, and a washer in a sequential arrangement. The magnet and the washer comp...  
WO/2019/200691A1
Provided is a movable coil structure, comprising a vibrating diaphragm, and a permanent magnet, a voice coil and copper rings, which are arranged below the vibrating diaphragm, wherein the permanent magnet generates a magnetic field to s...  
WO/2019/200715A1
Disclosed are an electroacoustic transducer and a method for controlling the vibration displacement of a voice coil. The electroacoustic transducer comprises: a magnetic circuit system and a vibration system, wherein the magnetic circuit...  
WO/2019/200541A1
A display device for applying a planar loudspeaker principle to make a sound, comprising: a display panel (10) comprising multiple stacked components (20) being of a plate-shaped or membranous structure; and an exciter (30) fixedly dispo...  
WO/2019/201240A1
Disclosed are a connection structure, and a loudspeaker and electronic device having same. The connection structure comprises a snap ring (11) and a connection column (3). The snap ring (11) is provided with a notch, the width of the not...  
WO/2019/196092A1
Disclosed in the present utility model is a bone conduction speaker having a U-type magnet support, comprising a gasket, a metal coil, a coil support, a metal elastic piece, a magnet support, and a magnet block. The center of the magnet ...  
WO/2019/197001A1
The present invention discloses a loudspeaker driver comprising a magnet system having at least one gap where in each gap a voice coil assembly is arranged for movement in the gap, wherein either two distinct coils are arranged on the vo...  
WO/2019/200396A1
A speaker system including an enclosure, a first acoustic driver engaged with the enclosure, and two or more horns configured to output a sound from the first acoustic driver to a front plane of the enclosure. In one embodiment, the two ...  
WO/2019/193365A1
An electromagnetic actuator includes an inner magnet arranged relative to an axis, an outer magnet arranged a radial distance from the axis, an inner radial wall of the outer magnet facing an outer radial wall of the inner magnet, the in...  
WO/2019/191953A1
Disclosed are a screen sound production method and terminal equipment. The terminal equipment comprises a screen assembly, at least one vibration source, an equipment middle frame, a circuit main board and a back cover, wherein the scree...  
WO/2019/191856A1
The utility model relates to a voice coil wire suspended micro loudspeaker, comprising a diaphragm, a voice coil, a circuit board, a support, and a magnetic circuit component connected at the bottom of the support. A cavity structure is ...  
WO/2019/191910A1
The present invention relates to the technical field of acoustics, and a speaker, a terminal and a speaker control method are disclosed. The speaker comprises a front cover, a coil, a frame, a magnet, a magnetic vibrating diaphragm and a...  
WO/2019/184280A1
A micro speaker include a planar diaphragm (10), spacers (9) (19) respectively disposed at one side surface of the planar diaphragm, an upper plate (5) and a lower plate (15), one or more magnets (7) and a circuit board (3). The planar d...  
WO/2019/191045A1
Apparatus for air cooling includes an acoustic transducer secured to a body. The body has a first wall including a first opening and the acoustic transducer forms a second wall facing the first wall. A chamber within the body is defined ...  
WO/2019/189978A1
The present invention provides a high-performance slim speaker comprising: a frame part (110) having an upwardly open space arranged therein; a diaphragm (120) mounted at the upper side of the space to be able to vertically vibrate; a fi...  
WO/2019/184476A1
Disclosed is a loudspeaker module, comprising a module housing and a loudspeaker unit. The loudspeaker unit comprises a vibration system; the vibration system comprises a diaphragm; the diaphragm comprises a fixing portion, a suspension ...  
WO/2019/184477A1
Disclosed is a sound production apparatus, comprising a housing and a sound generator. A rear cavity is formed between the housing and the sound generator; the housing is provided with an opening communicated with an outer part of the re...  
WO/2019/179187A1
Disclosed are a loudspeaker and an electronic device. The loudspeaker comprises a vibration system, the vibration system comprises a vibration diaphragm and a voice coil connected and fixed to the vibration diaphragm, the voice coil is p...  
WO/2019/179186A1
Disclosed are a diaphragm and a loudspeaker. The diaphragm comprises: a carbon fiber frame, the carbon fiber frame being jointly constituted by a plurality of carbon fibers; several filling gaps arranged in the carbon fiber frame; and a ...  
WO/2019/180987A1
Provided is an exciter that enables a rolling phenomenon to be suppressed without uniformly disposing dampers around a magnetic circuit, and that is useful for reducing the size of a frame. An exciter 1 comprises: a frame 2 having a subs...  
WO/2019/178797A1
A device with external diaphragm for acoustic cleaning and air purification is provided. The device comprises a housing with a first opening at a top for receiving one or more acoustic wave generating devices each with a diaphragm attach...  
WO/2019/179352A1
Disclosed is a mobile terminal, comprising a housing, a receiver, a first display module, and a second display module. The first display module and the second display module are disposed on two mounting surfaces opposite to each other on...  
WO/2019/177307A1
The present invention relates to a hybrid movable coil plate and a flat plate-type speaker, and more specifically, to a hybrid movable coil plate and a flat plate-type speaker, the hybrid movable coil plate having a coil pattern-printed ...  
WO/2019/177324A1
The present invention relates to an earphone having a pressure equalizing means and, more specifically, provides an earphone having a pressure equalizing means, which comprises: a speaker unit installed in a longitudinal direction in an ...  
WO/2019/173559A1
A loudspeaker is provided with a motor assembly having at least one planar coil and first and second magnets magnetized in a magnetized direction perpendicular to direction of coil movement and perpendicular to a central axis of radiatio...  
WO/2019/172715A1
One embodiment provides a method comprising determining a potential energy in a loudspeaker, a kinetic energy in the loudspeaker, and an electrical energy in the loudspeaker based on a physical model of the loudspeaker. The method furthe...  
WO/2019/122942A8
A spatial sound modulator can comprise an array of controllable unit cells, each has a dimension of roughly half the wavelength of the target frequency. The spatial sound modulator can communicate with at least one feedback to achieve me...  
WO/2019/166344A1
A voice coil for use with a loudspeaker. The voice coil includes a bobbin that has a first layer of a non-conductive material infused with a high-temperature adhesive, a second layer of a non-conductive material infused with a high-tempe...  
WO/2019/165913A1
The present disclosure provides a sound-light conduction assembly and a mobile terminal, the sound-light conduction assembly comprises a cover, a sound generation component and a light emitting component, the cover comprises a sound cond...  
WO/2019/164174A1
The present invention relates to a stick-type vibrating driver and, more specifically, to a stick-type vibrating driver implemented so as to enable vibration to be transmitted, by using a planar movable coil plate and a stick-shaped magn...  
WO/2019/162658A1
An electromagnetic actuator includes an inner magnet arranged relative to an axis, an outer magnet arranged a radial distance from the axis, an inner radial wall of the outer magnet facing an outer radial wall of the inner magnet, the in...  
WO/2019/161704A1
The embodiment of the present invention provides an acoustic generator, comprising a housing, a vibration system and a magnetic circuit system. The housing sequentially accommodates and secures from up to bottom the vibration system and ...  
WO/2019/164529A1
An example acoustic transducer device includes a magnet and a pole plate connected to the magnet. The pole plate includes a nickel-iron alloy having nickel as a principal component. The device further includes a diaphragm movable relativ...  

Matches 1 - 50 out of 20,279