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Matches 1 - 50 out of 20,878

Document Document Title
WO/2021/000157A1
Provided by the present application is a sound generating device. The sound generating device comprises a basin frame, and a vibration system and magnetic circuit system that are fixed to the basin frame. The magnetic circuit system comp...  
WO/2021/000194A1
Provided is a loudspeaker, comprising a shell, and a vibration system and a magnetic circuit system accommodated inside the shell, wherein the shell comprises a basket used for fixing the vibration system and the magnetic circuit system,...  
WO/2021/000099A1
The present invention relates to the technical field of sound emission devices. Provided is a speaker box. The speaker comprises a cover body enclosing an accommodation space and a speaker unit accommodated inside the accommodation space...  
WO/2021/000104A1
The present application provides a speaker box. The speaker box comprises an upper housing, a lower housing matched with the upper housing to form an accommodating space, and a sound-producing unit accommodated in the accommodating space...  
WO/2021/000143A1
Disclosed is a vibration exciter (100), comprising a shell (10) with an accommodating space, a vibration unit (20) suspended inside the shell (10), a coil (30) for driving the vibration unit (20), and an elastic member (70) for enabling ...  
WO/2021/000208A1
Provided by the present application is a sound-generating component, the sound-generating component comprising a lower housing provided with a first accommodating space and an upper housing that has a second accommodating space and that ...  
WO/2021/000117A1
The present application provides a loudspeaker, comprising a frame, and a vibration system and a magnetic circuit system separately fixed to the frame. The vibration system comprises a diaphragm fixed to the frame and a voice coil for dr...  
WO/2021/000156A1
Provided is a sound emission device. The sound emission device comprises: a basket; and a vibration system and a magnetic circuit system fixed at the basket. The vibration system comprises a first vibration diaphragm fixedly held at the ...  
WO/2021/000179A1
The present utility model provides a loudspeaker module, comprising an upper cover plate having an accommodation cavity, a lower cover plate and a loudspeaker unit. An upper cover plate bottom wall and a raised rib extending from the upp...  
WO/2021/000155A1
Provided is a speaker box. The speaker box comprises an upper housing, a lower housing combined with the upper housing to form an accommodation space, and a sound emission unit accommodated inside the accommodation space. The sound emiss...  
WO/2021/000459A1
Disclosed in the present invention is a multi-input driven loudspeaker, which improves the sensitivity of the loudspeaker and improves the definition of the loudspeaker while reducing the distortion of the loudspeaker. A multi-input driv...  
WO/2021/000106A1
The present application provides a loudspeaker enclosure, comprising an upper housing, a lower housing which fits with the upper housing to form an accommodating space, and a sound-emitting unit accommodated in the accommodating space; s...  
WO/2021/000119A1
Provided is a loudspeaker, comprising a basket, and a vibration system and a magnetic circuit system respectively fixed to the basket, wherein the vibration system comprises a diaphragm fixed to the basket, and a voice coil driving the d...  
WO/2021/000086A1
The present invention provides a micro loudspeaker-based in-vehicle independent sound field system and control system. The in-vehicle independent sound field system comprises a micro loudspeaker array mounted in the area in front of a us...  
WO/2021/000182A1
Provided is a loudspeaker module. The loudspeaker module comprises an upper cover plate with a receiving cavity, a lower cover plate, and a loudspeaker unit, wherein the upper cover plate is provided, in an area thereof where the loudspe...  
WO/2021/000172A1
The present application provides a speaker module, including an upper cover plate with a accommodating cavity, a lower cover plate provided opposite to the upper cover plate, and a speaker unit accommodated in the accommodating cavity an...  
WO/2021/000166A1
Provided in the present utility model is a speaker module, comprising an upper cover plate having an accommodating cavity, a lower cover plate disposed opposite to the upper cover plate, and a speaker unit accommodated in the accommodati...  
WO/2021/000144A1
A sounding apparatus, comprising an upper housing (10), a lower housing (20) fitted over the upper housing (10) and forming an accommodation cavity (100) together with the upper housing (10), and a sounding unit (30) accommodated in the ...  
WO/2021/000109A1
The present utility model provides a loudspeaker, comprising an upper cover plate, a lower cover plate fitted to the upper cover and enclosing an accommodation space together with the upper cover plate, and a loudspeaker unit accommodate...  
WO/2021/000107A1
Provided is a terminal device, comprising a main body portion, a sound generating assembly, and a cover plate. The sound generating assembly comprises a casing movably connected to the main body portion and a sound generating unit accomm...  
WO/2021/003087A1
The present disclosure provides a contact hearing device comprising a piezoelectric actuator. The attachment of the piezoelectric actuator to a tympanic membrane can vibrate the tympanic membrane based on a transmission received by the r...  
WO/2021/000114A1
The present utility model provides a loudspeaker, comprising an upper cover plate, a lower cover plate forming an accommodating space after being assembled with the upper cover plate, a loudspeaker unit accommodated in the accommodating ...  
WO/2021/000134A1
Provided is a loudspeaker enclosure, comprising an upper cover, a lower shell, and a sound production unit, wherein the lower shell comprises a steel sheet and a lower shell body; the sound production unit comprises a sound production si...  
WO/2021/000091A1
Provided is a speaker, comprising: a housing having an accommodation space; and a speaker unit accommodated inside the accommodation space. The speaker unit comprises a sound emission surface and a back surface arranged opposite to each ...  
WO/2021/000096A1
Provided is a speaker comprising a bowl-shaped frame, a front cover and a vibration system. The vibration system comprises a vibration diaphragm. The front cover comprises a base surface opposite to the vibration diaphragm, a top surface...  
WO/2021/000158A1
Provided in the present application is a sound generating device. The sound generating device comprises a frame, and a vibration system and magnetic circuit system that are fixed to the frame. The vibration system comprises a first vibra...  
WO/2021/000136A1
The present application provides a loudspeaker. The loudspeaker comprises a magnet yoke, primary magnet steel stacked on the surface of one side of the magnet yoke, secondary magnet steel spaced apart from the primary magnet steel and fo...  
WO/2021/000148A1
Provided is a loudspeaker box. The loudspeaker box comprises an upper cover plate, a lower cover plate assembled with the upper cover plate to form an accommodation space, a sound production unit accommodated in the accommodation space, ...  
WO/2021/000089A1
The present application provides a loudspeaker device, which comprises: an upper cover plate, a lower cover plate forming an accommodation cavity together with the upper cover plate, a sound generation unit accommodated in the accommodat...  
WO/2021/000210A1
The present application provides a screen sound-producing apparatus. The screen sound-producing apparatus comprises a screen for vibration sound production, an exciter for driving the screen to vibrate and produce sound, and a middle fra...  
WO/2021/000122A1
An electromagnetic actuator (100), comprising a housing (1) provided with an accommodating space (10), a stator (2) accommodated within the accommodating space (10), a vibrator (3) arranged opposite to the stator (2) at an interval, and ...  
WO/2021/000102A1
The utility model provides a mobile terminal, and relates to the technical field of acoustics. The mobile terminal comprises a shell, a sound producing device provided on the shell, a sound hole formed in the shell, and a sound guide gro...  
WO/2021/000103A1
The present invention provides a terminal device, comprising a body part and a sound generation component. The sound generation component comprises a housing movably connected to the body part and a sound generation unit accommodated in ...  
WO/2021/000108A1
Provided in the present utility model is a speaker, comprising an upper cover plate, a lower cover plate covered by the upper cover plate and together with the upper cover plate enclosing an accommodating space, and a speaker unit accomm...  
WO/2021/000142A1
The present application provides a loudspeaker, comprising a basket, a vibration system for vibration sounding and a magnetic circuit system for driving the vibration of the vibration system; the magnetic circuit system comprises a secon...  
WO/2021/000085A1
Provided in the present utility model is a loudspeaker, comprising a shell provided with a containing space, and a sound production unit contained in the containing space, wherein the back face of the sound production unit is provided wi...  
WO/2021/000112A1
Provided is a loudspeaker enclosure, comprising a shell and a sound production unit, wherein the shell comprises a top wall, a side wall and a bottom wall, and the top wall, the side wall and the bottom wall enclose an accommodating spac...  
WO/2021/000214A1
The present application is applicable to the field of electroacoustic converters, and provides a sound generation device, comprising an upper cover plate, a lower cover plate connected to the upper cover plate to form an accommodating sp...  
WO/2021/000094A1
Provided is a loudspeaker, which comprises a basin frame, a front cover, and a vibration system. The vibration system comprises a vibration diaphragm fixed to the basin frame, and the vibration diaphragm is disposed between the basin fra...  
WO/2021/000215A1
The present application is applicable to the field of electroacoustic transducers, and provides a sound generation device. The sound generation device comprises an upper cover plate, a lower plate connected to the upper plate to form an ...  
WO/2021/000082A1
The present application provides a sound generation device, comprising a basin frame, a vibration system and a magnetic circuit system having magnetic gaps. The vibration system comprises a vibrating diaphragm and a voice coil inserted i...  
WO/2021/000066A1
Provided is a loudspeaker, comprising a basket, and a vibration system and a magnetic circuit system having magnetic gaps, which vibration system and magnetic circuit system are respectively fixed to the basket. The vibration system comp...  
WO/2021/000177A1
Provided in the present utility model is a loudspeaker module, comprising an upper cover plate having an accommodation cavity, a lower cover plate arranged opposite the upper cover plate, and a loudspeaker unit accommodated in the accomm...  
WO/2021/000730A1
Disclosed are a mobile terminal and a sound production control method for the mobile terminal. The mobile terminal comprises a sound production face and an excitation apparatus, wherein the excitation apparatus comprises a first magnet a...  
WO/2021/000100A1
The present application provides a loudspeaker device, comprising: a cover body which forms an accommodation space and a sound producing unit accommodated in the accommodation space. A sound-absorbing cavity for containing sound-absorbin...  
WO/2021/000095A1
Provided is a loudspeaker, which comprises a basin frame, a front cover, and a vibration system. The vibration system comprises a vibration diaphragm, and the vibration diaphragm is disposed between the basin frame and the front cover. T...  
WO/2020/258134A1
Provided are a speaker box and an electronic device. The speaker box comprises a housing having an accommodating space and a speaker unit having a sound outlet. The speaker unit is accommodated in the accommodating space, and the speaker...  
WO/2020/258268A1
Provided is a speaker box. The speaker box comprises a shell with an accommodating space, and a speaker single body which is accommodated in the accommodating space and provided with a voice outlet, wherein the speaker single body divide...  
WO/2020/258363A1
A miniature filter, comprising a substrate (1) having a rear cavity (3) and a film layer (2) provided on the substrate (1) and suspended above the rear cavity (3). The film layer (2) is provided with arranged through holes (4) and employ...  
WO/2020/258142A1
A sound producing device (10), comprising a sound producing monomer (1) and an FPC board (4) electrically connected to the sound producing monomer (1). The sound producing monomer (1) comprises a frame (11) and a magnetic bowl (12) provi...  

Matches 1 - 50 out of 20,878