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Matches 1 - 50 out of 19,884

Document Document Title
WO/2018/167538A1
The invention relates to audio transducer technology, including audio tuning systems to be utilised in personal audio devices, such as headphone, earphones, mobile phones and the like. The audio tuning system optimises the frequency resp...  
WO/2018/166268A1
The present disclosure provides a loudspeaker, a loudspeaker device and a mobile terminal. The loudspeaker includes: a frame having an outer circumferential side wall, an inner circumferential side wall arranged opposite to the outer cir...  
WO/2018/167386A1
The present invention relates to a one-piece device for a powered speaker enclosure. According to the invention, the powered speaker enclosure comprises in particular: two central loudspeakers intended to reproduce low frequencies, one l...  
WO/2018/165280A1
A loudspeaker and method of operating a loudspeaker are provided. The loudspeaker has a motor assembly with at least one planar coil. First and second magnets are magnetized in a magnetized direction perpendicular to a direction of coil ...  
WO/2018/161492A1
Disclosed in the present utility model is a speaker module, relating to the technical field of electro-acoustic products. The speaker module comprises: a housing, the housing being accommodated with a speaker unit, the speaker unit divid...  
WO/2018/161475A1
A speaker unit, a speaker, a terminal and a speaker control method. A speaker unit comprises a frame, a magnet, a vibrating diaphragm, a first coil, and a second coil assembly, wherein the second coil assembly comprises at least one seco...  
WO/2018/161241A1
The present invention relates to a dual top plate miniature speaker, comprising a diaphragm and a voice coil connected to a lower part of the diaphragm, and further comprising an annular bracket having a U-shaped cross section, a first t...  
WO/2018/159457A1
Provided is a mounting substrate having suppressed occurrence of bonding defects in mounted electrodes. The mounting substrate comprises a resin layer and a first conductor having a surface that comes in contact with the resin layer. The...  
WO/2018/160243A1
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/2018/159455A1
Provided is an electric element whereby difference in characteristics between electric elements is suppressed. The electric element comprises: a substrate including resin layer and a first conductor having a surface coming in contact wit...  
WO/2018/157274A1
The present invention relates to a manufacturing method for a diamond-like carbon diaphragm, comprising the steps of: placing a base material in the air, the base material being a high polymer material; a step of depositing a composite d...  
WO/2018/157715A1
A method and an apparatus for removing dust in a sound outlet hole of a loudspeaker and a terminal device are disclosed. The method includes reading a prestored audio frequency for removing dust; and playing the audio file for removing d...  
WO/2018/157668A1
A sound-producing vibration two-in-one exciter applicable to a touch screen, comprising a touch screen. The exciter further comprises a basin frame and a magnetic shell fixedly connected to the basin frame; the magnetic shell is provided...  
WO/2018/149093A1
Disclosed are a sound production device module and an electronic product. The sound production device module comprises a single sound production device, a module shell and a flexible circuit board; the single sound production device is p...  
WO/2018/145385A1
The present invention relates to a connection structure for a voice coil in a sound generating device and a sound generating device. The connection structure comprises: an FPCB board, and a voice coil comprising two lead wires, the FPCB ...  
WO/2018/145415A1
A vibration system in a sound production device and the sound production device. An upper end face of an FPCB board (4) is bonded to a lower end face of a voice coil (3) with glue, and a part, extending out of the lower end face of the v...  
WO/2018/145414A1
The present invention relates to a vibration system in a sound production device and the sound production device. The vibration system comprises a vibration diaphragm assembly and a voice coil connected at the lower end of the vibration ...  
WO/2018/145416A1
The present invention relates to a vibration system in a sound production device and the sound production device. The vibration system comprises a vibration diaphragm assembly and a voice coil connected at the lower end of the vibration ...  
WO/2018/141544A1
The invention relates to a planar dynamic sound transducer comprising a magnet arrangement, which consists of bar magnets and a mounting frame for example, and a diaphragm arrangement. The diaphragm arrangement includes a tensioned diaph...  
WO/2018/142754A1
A speaker device provided with: a magnetic circuit comprising an annularly formed magnet, a yoke which has a base surface part and a center pole part protruding from the base surface part, the center pole part being disposed while being ...  
WO/2018/143129A1
In order to provide a vibration plate with which the generation of noise during vibration is suppressed and desired vibration characteristics can be obtained even when an interlayer connection conductor is disposed, a vibration plate 2 i...  
WO/2018/138955A1
This sound generator for generating sound by vibrating a diaphragm (72) is provided with: a housing (1) having formed therein a first space (5) which is open to the atmosphere through a sound release hole (84), and also having formed the...  
WO/2018/132996A1
A miniature loudspeaker, comprising: a support (1) with the top opened, a T-yoke (2), a magnet (3), a spring washer (4), a diaphragm (5), a voice coil (6), a protecting cover (7), and a circuit board (8); the diaphragm (5) is formed by a...  
WO/2018/136415A2
An apparatus includes an acoustic driver (also referred to as a "speaker"), a block resonator array (also referred to as a "resonator array" or "material block"), and a heat exchange assembly. The block resonator array includes a body th...  
WO/2018/131808A1
An embodiment relates to a high-quality electromagnetic speaker having improved accuracy of an air gap, wherein coils stacked on an upper part and a lower part of a vibrating module are reliably and accurately set by respective fixing me...  
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...  

Matches 1 - 50 out of 19,884