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Patent Searching and Data


Matches 1 - 50 out of 19,845

Document Document Title
WO/2018/128325A1
The present invention relates to an ultra-slim high-resolution electromagnetic speaker using a bridge-edge method, wherein a coil and a permanent magnet, which are a pair of magnetic circuits laminated in upper and lower portions of a vi...  
WO/2018/128936A1
A speaker assembly including a sound radiating surface suspended over a magnet assembly, a suspension member for suspending the sound radiating surface over the magnet assembly, a voice coil extending from a bottom side of the sound radi...  
WO/2018/128374A1
An acoustic output device according to the present invention comprises: an elevating member having a magnetic force generation unit for generating a magnetic field for floating a flying body in the air; a transfer member for moving the e...  
WO/2018/126351A1
Disclosed is a sound, light and electric eye device for police use. The device comprises a built-in system, a dual-magnetic-steel magnetic circuit (12) and a cast aluminium wing-shaped basin frame (19). The built-in system composed of a ...  
WO/2018/128324A1
The present invention relates to a bridge-edge-type high-resolution electromagnetic speaker. As the bridge-edge-type high-resolution electromagnetic speaker has a structure in which coils and permanent magnets, which are a pair of magnet...  
WO/2018/126786A1
A pixel unit (1PU, 1FPU, 1FKPU, 1T12PU, 2T12PU), a pixel array (122PAU, 222PAU), a multimedia device and a manufacturing method thereof. The pixel unit (1PU, 1FPU, 1FKPU, 1T12PU, 2T12PU) comprises a display medium module (1U, 1T12U, 2T12...  
WO/2018/121651A1
The present application relates to the field of acoustic device technologies, and in particular, to an acoustic device and a piece of electronic equipment. The acoustic device comprises: an upper shell, a lower shell, an acoustic assembl...  
WO/2018/120801A1
Disclosed is a connecting elastic piece, comprising a fixed part, an elastic arm part, and a limiting part, the elastic arm part being positioned vertically on one side of the fixed part in the direction of height, the elastic arm part e...  
WO/2018/120697A1
The present invention discloses a sound-absorbing device for a sound generating device, a preparation method thereof and a sound generating device module. The sound-absorbing device for the sound generating device comprises: a sound-abso...  
WO/2018/125632A1
This application is directed to a compact voice-activated electronic device with speakers and electronic components and a dual waveguide/heatsink structure configured to direct sound from the speakers to the outside of the device and to ...  
WO/2018/119895A1
A magnetic circuit system, comprising: an annular magnetic gap (7), two or more low magnetic field nodes (8), magnetic gap area(s) (9) and a magnetic fluid (10), the annular magnetic gap (7) being surrounded and formed by a magnetic yoke...  
WO/2018/123292A1
The display device according to one embodiment of the present disclosure comprises: a thin-plate display cell that displays video; and a plurality of exciters that are arranged on a back surface of the display cell and make the display c...  
WO/2018/117370A1
The present invention relates to a speaker. A speaker according to the present invention comprises: a pair of permanent magnets arranged on open opposite sides of a solenoid coil having a rectangular box shape; and a first setting case a...  
WO/2018/116834A1
There is provided a headphone device including: an external magnet type magnet unit that is disposed outside a voice coil, and vibrates the voice coil; and a diaphragm that is vibrated by vibration of the voice coil, and formed of a mate...  
WO/2018/113313A1
Disclosed is an exhibition data collection box with an embedded broadcasting speaker, comprising a box body and a cover plate, wherein one side of the box body is provided with an input interface and an audio interface connected to an ex...  
WO/2018/107512A1
Provided in embodiments of the present invention is a method for adjusting a diaphragm balancing position, comprising the following steps: acquiring the displacement by which a diaphragm vibration balancing position of a diaphragm of a s...  
WO/2018/107171A1
A microphone, comprising at least two electrodes, spaced apart, configured to have a magnetic field within a space between the at least two electrodes; a conductive fiber, suspended between the at least two electrodes; in an air or fluid...  
WO/2018/103190A1
Disclosed are a cone speaker diaphragm and a speaker. The cone speaker diaphragm comprises a cone and a folded ring. The folded ring is ring-shaped. The folded ring comprises in an outward sequence: a connecting part, a folded ring body,...  
WO/2018/105392A1
A vibration element (201) is provided with a vibration plate (101) and a first magnet (magnet (41)). The vibration plate (101) comprises a stacked body (10A) in which a plurality of flexible insulating base material layers are stacked, a...  
WO/2018/103309A1
Disclosed are a cone speaker diaphragm and a speaker. The cone speaker diaphragm comprises a cone and a folded ring. The folded ring is ring-shaped. The folded ring comprises in an outward sequence: a connecting part, a folded ring body,...  
WO/2018/103310A1
Disclosed in the present invention are a cone-shaped speaker diaphragm and a speaker. The cone-shaped speaker diaphragm comprises a cone and a folding ring, the folding ring being annular, and the folding ring comprising, in order from i...  
WO/2018/099487A1
Disclosed are a tweeter, a vibration structure and an inverted concave diaphragm thereof, and a manufacturing method and a sound effect reproduction method therefor. The tweeter comprises a magnetic loop unit, a voice coil, a baffle and ...  
WO/2018/099074A1
Disclosed is a speaker module, comprising a module housing and a speaker unit accommodated within the module housing. A partition extends from the module housing to a module cavity. The speaker unit is mounted in the module cavity via th...  
WO/2018/101200A1
[Problem] To improve the acoustic quality of speakers 21, 22 provided with a voice coil. [Solution] A voltage drive-type amplifier 1, which amplifies the amplitude of a voltage in accordance with a change in the amplitude of an acoustic ...  
WO/2018/099075A1
Disclosed is a speaker module, comprising a module housing and a speaker unit accommodated within the module housing. A partition extends from the module housing to a module cavity. The speaker unit is mounted in the module cavity via th...  
WO/2018/101064A1
This vibration element includes: a flexible substrate that includes a resin substrate and a conductor pattern which is arranged on the resin substrate and form multiple coils; and a plurality of magnets that are arranged at positions opp...  
WO/2018/095038A1
Provided is a vibration and vocalization device, comprising a housing, and a vocalization system and vibration system which are accommodated in the housing, and an elastic support member used for suspending the vibration system in the ho...  
WO/2018/095033A1
Disclosed is a speaker unit. The speaker unit comprises a vibration assembly and a magnetic circuit system, he magnetic circuit system comprising a magnet and a lower magnetic conduction plate, the lower magnetic conduction plate being m...  
WO/2018/093406A1
A multi-stage mechanical suspension system extends a linear operating range for a loudspeaker and prevents mechanical damage on explosive peaks. The system includes a pair of spaced contact receivers that limit the travel of a contactor....  
WO/2018/093043A1
The present invention relates to a hybrid speaker which is a hybrid multiway speaker suitable for smoothly implementing integrated broadband features with minimal distortion by phase interference caused in the case of noncoaxial coupling...  
WO/2018/084447A1
A planar magnet speaker with excellent sound reproduction in a low frequency range and capable of providing a plurality of input controls includes a first magnet member, a second magnet member, a membrane including at least one wire form...  
WO/2018/081915A1
Disclosed is a miniature loudspeaker with a dual-washer structure, comprising a U-shaped iron cup, a magnet column arranged at the center of the U-shaped iron cup, a diaphragm, and a voice coil connected to the bottom of the diaphragm, w...  
WO/2018/082429A1
Provided by the present invention is a loudspeaker sound outlet structure for a mobile terminal, comprising a bottom shell, a panel shell arranged on the bottom shell and a panel fixed on the panel shell. A loudspeaker is arranged in the...  
WO/2018/079340A1
[Problem] The present invention addresses the problem of providing a bone conduction speaker, with which a high range that cannot be covered by bone vibration can be efficiently made audible by transmitting an air-conducted sound generat...  
WO/2018/076606A1
Provided is a speaker and an earphone, comprising a speaker support (1), a magnetic circuit system (2) and a vibration system (3). The speaker support (1) has a through hole (11) for accommodating the magnetic circuit system (2). The mag...  
WO/2018/072383A1
Disclosed are an audio playback apparatus and device. The audio playback apparatus comprises a loudspeaker, a loudspeaker container, and a cavity expansion material. The loudspeaker and the cavity expansion material are provided in the l...  
WO/2018/070399A1
Provided is a flat speaker that can enhance acoustic characteristics. This flat speaker is provided with: a flat vibration plate; a drive part attached to the rear surface of the vibration plate to vibrate the vibration plate; a fixing m...  
WO/2018/068465A1
The present invention provides a playing control module, comprising a playing control circuit. The playing control circuit comprises a storage unit, a first processing unit, a first amplifying unit, and a piezoelectric thin film. The sto...  
WO/2018/066002A1
Assemblies for Generation of Sound The invention provides assemblies for production of sound using a plurality of configurations, including in one embodiment, surfaces that may be fixed or moveable relative to each other. These surfaces ...  
WO/2018/066387A1
This vibration element (101) is provided with a flexible insulating substrate (10) and a supporting film (20); and this vibration device (201) is provided with the vibration element (101) and a case (30). The flexible insulating substrat...  
WO/2018/058852A1
The invention relates to the technical field of electroacoustic products. Disclosed is a microacoustic device comprising a housing. The housing receives a vibration system and a magnetic circuit system therein. The magnetic circuit syste...  
WO/2018/058841A1
Disclosed by the present invention are a diaphragm and a miniature acoustical generator provided with the diaphragm, which relates to the technical field of electroacoustic products. The diaphragm comprises a diaphragm body portion and a...  
WO/2018/064427A1
A loudspeaker is disclosed. The loudspeaker includes a diaphragm with a fixed portion and a movable portion. The fixed portion is attached to the movable portion by a plurality of leaf springs. A coil is disposed over the diaphragm in th...  
WO/2018/057175A1
A speaker including a frame, and a magnet assembly coupled to the frame. The magnet assembly forms an air gap through which a magnetic flux is directed. The speaker further including a voice coil suspended in the air gap, a diaphragm cou...  
WO/2018/056814A1
Loudspeaker unit with a membrane (2) and a plurality of drive units (5) driving the membrane (2). Each of the plurality of drive units (5) has n voice coils (3) and at least n+1 magnets (4), n being an integer larger than or equal to 1. ...  
WO/2018/051480A1
[Problem] With regard to an electroacoustic conversion device, to facilitate miniaturization and, in particular, thinning, and the stabilizing of characteristics. [Solution] A drive magnet 37 and a pole piece 39 are fixed in a yoke 35. F...  
WO/2018/050032A1
Disclosed is a speaker with a planar vibrating diaphragm (200). The speaker comprises a housing (100), the vibrating diaphragm (200), a coil layer (300) and a magnetic system (400), wherein the vibrating diaphragm (200) is arranged on th...  
WO/2018/047674A1
Provided is a speaker (51) comprising a flange section (1a), a locking member (3), and connecting sections (4). The flange section (1a) has a through hole (2). The locking member (3) has locking sections (3b) which are each arranged in t...  
WO/2018/045718A1
Disclosed are a loudspeaker module and a sound production device. The module comprises a module shell (1) and a loudspeaker body (2) mounted on the module shell (1). The module shell (1) comprises a shell body (11) and two fixed pole pla...  
WO/2018/045668A1
Disclosed is a speaker module. The speaker module comprises: a module housing, said module housing having an accommodating chamber; a speaker assembly, said speaker assembly being arranged in said accommodating chamber and the speaker as...  

Matches 1 - 50 out of 19,845