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Patent Searching and Data


Matches 1 - 50 out of 19,778

Document Document Title
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...  
WO/2018/045717A1
Disclosed are a loudspeaker body, a loudspeaker module and a sound production device. The body comprises a housing, and a vibration system (2) and a magnetic circuit system (1) which are mounted on the housing. The vibration system (2) h...  
WO/2018/040392A1
Disclosed is a loudspeaker module. The loudspeaker module comprises a module shell having an accommodation cavity; a loudspeaker assembly arranged inside the accommodation cavity and dividing the accommodation cavity into a rear acoustic...  
WO/2018/040394A1
A loudspeaker module, comprising a module shell having an accommodation cavity; a loudspeaker assembly arranged inside the accommodation cavity and dividing the accommodation cavity into a rear acoustic cavity and a front sound generatin...  
WO/2018/040396A1
Disclosed is a moving-coil loudspeaker, comprising a vibration system and a magnetic circuit system located below the vibration system. The vibration system comprises a vibrating diaphragm, a spider, and a voice coil that are combined fr...  
WO/2018/040716A1
Disclosed are bone conduction headphones and glasses having the bone conduction headphones, wherein the bone conduction headphones comprise: a headphone main body, the headphone main body comprising an outer housing and a vibrating face ...  
WO/2018/040393A1
Disclosed is a loudspeaker module. The loudspeaker module comprises a module shell having an accommodation cavity; a loudspeaker assembly arranged inside the accommodation cavity and dividing the accommodation cavity into a rear acoustic...  
WO/2018/039883A1
A suspension arm used in a speaker, such as an ultra slim speaker, is provided. The suspension arm includes a peripheral portion, a central portion and a connection portion connecting the peripheral portion to the central portion. The co...  
WO/2018/040397A1
Disclosed is a moving-coil loudspeaker, the moving-coil loudspeaker comprising a front cover, a vibration system and a magnetic circuit system in sequence from top to bottom. The vibration system comprises a vibrating diaphragm, a spider...  
WO/2018/042615A1
[Problem] To enable high quality sound reproduction particularly in low audio frequencies in an electroacoustic transducer device. [Solution] A driver magnet 31 is fixed in a cup-shaped yoke 29, and a diaphragm 39 opposed to the driver m...  
WO/2018/040615A1
Provided are a speaker module housing, a speaker module, and a sounding device. The speaker module housing comprises a housing body (1) and at least two metal members (2) connected and fixed to the housing body. The housing body (1) comp...  
WO/2018/040398A1
Disclosed is a moving-coil loudspeaker, comprising a vibration system and a magnetic circuit system located below the vibration system. The vibration system comprises a vibrating diaphragm, a spider, and a voice coil that are combined fr...  
WO/2018/038516A1
Disclosed is an integrated two-way speaker using a dynamic speaker. The integrated two-way speaker using a dynamic speaker, according to the present invention, comprises: a hollow frame; a magnetic field generating member disposed inside...  
WO/2018/031918A1
Magnet array structure and method for forming magnet array structure that includes a first magnet array including a first repeatable magnet arrangement and second magnet array including a second repeatable magnet arrangement. The first r...  
WO/2018/024211A1
A speaker monomer comprises a housing (100), a magnetic component (300) disposed in the housing (100), a diaphragm (220) disposed on the housing (100), a first voice coil (210a) connected to the diaphragm (220), and an elastic member (40...  
WO/2018/020213A1
The application describes a MEMS transducer in which first and second conductive elements of a capacitor are both provided on the membrane. The membrane is shaped that the first and second conductive elements are displaced relative to ea...  
WO/2018/016254A1
A speaker unit comprises a frame, a diaphragm having an inner periphery and an outer periphery, and a magnetic circuit coupled to the frame. The frame includes a first support part, a second support part, a pedestal part, and a plurality...  
WO/2018/014374A1
Disclosed are a bone conduction earphone and a method of manufacturing same. The earphone comprises an earphone casing (10), wherein the casing (10) surrounds a cavity; a frequency divider and a metal speaker are provided in the cavity; ...  
WO/2018/014672A1
Provided are an anti-dust apparatus for an acoustic device of a mobile terminal and a mobile terminal. The anti-dust apparatus comprises: an anti-dust film body; and the anti-dust film body comprises a curved surface portion, for vibrati...  
WO/2018/014431A1
An hybrid Bluetooth earphone comprises an ear case (1), a Bluetooth receiver (2) and a frequency divider (3). A first acoustic chamber (11) and a second acoustic chamber (12) which are independent from each other are arranged in the ear ...  
WO/2018/015711A1
There is disclosed here a housing for connecting an transducer to a substrate, the housing comprising a main body defining a cavity for accommodating the transducer a connecting body for connecting to the transducer and the substrate, an...  
WO/2018/010367A1
Disclosed in the present embodiment is a detachable external speaker acoustic volume structure for a mobile phone, comprising a speaker acoustic volume structure configured to be assembled with a main body of a mobile phone to form an in...  
WO/2018/011912A1
The present invention is provided with: a magnetic circuit unit (2), which has a pole piece (23) that forms a gap, and a screw section (24) that is coaxial with the pole piece (23); and a vibration system unit (1), which has a voice coil...  
WO/2018/006553A1
Provided are a multi-speaker unit module and a design method thereof, and an electronic device. The module comprises a housing (1) and at least two speaker units (2a, 2b, 2c, 2d). The housing (1) has mounting positions (101a, 101b, 101c,...  
WO/2018/006544A1
Disclosed are a loudspeaker and a wearable device. The loudspeaker comprises a cylindrical thin film, a cylindrical permanent magnet and a cylindrical soft magnetic body. The cylindrical thin film is connected to the cylindrical permanen...  
WO/2018/006535A1
A passive radiator and a speaker, comprising: a diaphragm (1), a frame (2) and at least one folding ring assembly (3). The diaphragm (1) is provided at a middle portion of the frame (2), and is connected to an inner edge of the frame (2)...  
WO/2018/003394A1
A vibration driver according to the present invention is provided with: a coil; a magnet; a vibration transmission plate for transmitting vibrations between the coil and the magnet; and a support member (10) for supporting the coil, the ...  
WO/2018/004054A1
The present invention relates to a speaker unit. The speaker unit according to the present invention has a diaphragm located between a first guide member having a width narrower than a that of a first magnet and a second guide member hav...  
WO/2018/000316A1
A microphone with a display function, comprising a microphone body (1) and a microphone rod (2) connected to the microphone body (1). The microphone body (1) comprises a housing (3), a Mic (4), a PCB board (5) and a display screen (6). T...  
WO/2018/000757A1
The present invention relates to a speaker, and speaker module. The speaker comprises a housing and two electrical connection members mounted on the housing, each electrical connection member comprises a second pad portion exposed from a...  
WO/2018/004872A1
A bone conduction transducer includes a yoke having a pair of arms, a layer of high permeability steel on a surface of the yoke between the arms, a metal coil, a metallic post that extends into a center portion of the metal coil, a diaph...  
WO/2017/220649A1
An example magnet assembly for a loudspeaker includes a first permanent magnet with a cuboid shape, the first magnet encompassing a central opening, and a second permanent magnet with a cuboid shape, the second magnet positioned coaxiall...  
WO/2017/219743A1
Disclosed in the present invention is a voice coil provided with multiple independent current input ends and multiple independent current output ends. The voice coil provided with multiple independent current input ends and multiple inde...  
WO/2017/219744A1
A frameless multi-series coil comprises at least two closed coils (21, 22). Each closed coil (21, 22) is provided with an input end (211, 221) and an output end (212,222). The input ends (211, 221) and the output end (212,222) of the clo...  
WO/2017/215239A1
Provided in the present invention is a speaker module, comprising a module outer shell, and a speaker unit accommodated inside the module outer shell; the speaker unit divides the cavity formed by the module outer shell into a front audi...  
WO/2017/218183A1
An electro-acoustic driver comprises a sleeve having a first end and a second end; a first wire exit opening at a first position of the sleeve; a second wire exit opening at a second position of the sleeve; a voice coil within the sleeve...  
WO/2017/215238A1
Disclosed is a loudspeaker, comprising an upper housing and a lower housing connected in a fitting way, and a vibration system received between the upper housing and the lower housing. The vibration system comprises a vibrating diaphragm...  

Matches 1 - 50 out of 19,778