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Patent Searching and Data


Matches 1 - 50 out of 16,143

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/2018/128324A1
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/2018/123310A1
The flat panel speaker according to one embodiment of the present disclosure comprises a flat panel and a plurality of exciters that are arranged on a back surface of the flat panel. The plurality of exciters are arranged to avoid points...  
WO/2018/126224A1
Certain aspects of the technology disclosed herein involve an apparatus and method of operation for an audio device having a perforated diaphragm. Perforations extend along a plane of the perforated diaphragm. A driver is attached to the...  
WO/2018/123288A1
Disclosed is a display device that is provided with: a main body having a display panel and a sound generating unit; a stand that supports, from the rear surface side, the main body with respect to an installation surface; and a receivin...  
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/2018/116834A1
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/2018/103190A1
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/2018/106999A1
An acoustic receiver diaphragm includes a frame with an opening extending therethrough. A paddle is disposed in the opening, and a gap extends between portions of the paddle and the frame. A hinge connects the paddle to the frame. The hi...  
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/2018/100326A1
A loudspeaker diaphragm (12) comprising a woven fibre body supports damping material (25), for example PVA polymer, on a rearward-facing surface (24). The woven fibre body may be formed of lengths (14) non-metallic fibre material (for ex...  
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/2018/094724A1
A graphene speaker diaphragm, comprising a diaphragm substrate layer (12) and a graphene layer (11) adhered to a surface of the diaphragm substrate layer (12). By providing a diaphragm design meeting requirement of a miniature speaker an...  
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/2018/088774A1
A display apparatus is disclosed. The display apparatus includes a display panel, a piezoelectric vibration unit attached to a rear surface of the display panel, and a member attached to at least one of a rear surface of the piezoelectri...  
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/2018/079340A1
[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/2018/079642A1
Provided is an electronic keyboard musical instrument that can emit realistic sounds without sacrificing the design of the musical instrument as a whole. The keyboard musical instrument is provided with: a musical instrument housing 2; a...  
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/2018/067385A1
According to one aspect, there is provided an apparatus comprising a frame and a speaker rigidly attached to the frame, where the speaker comprises a display module and at least one vibrating deformable plate element attached to a bottom...  
WO/2018/061320A1
Provided is a highly reliable piezoelectric sounding component. The present invention is provided with: a diaphragm which has a metal plate and a piezoelectric body formed on the metal plate, and which bends and vibrates when a voltage i...  
WO/2018/061319A1
Provided is a highly reliable piezoelectric sound generating component. This piezoelectric sound generating component is provided with: a vibrating plate, which has a metal plate and a piezoelectric body formed on the metal plate, and wh...  
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/2018/057372A1
An audio device is described which comprises a housing holding electronic components and having a face being substantially covered by a layer of transparent material. The audio device has a display comprising a layer of display material ...  
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/2018/051797A1
This vibrating plate for a speaker includes a woven fabric, which is a base material, a sealing layer, and a coating layer. The woven fabric has a first surface and a second surface on the reverse side to the first surface, and is molded...  
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/2018/051802A1
Provided is a sound vibration generating device which has a simple construction and with which it is possible for a sound pressure frequency characteristic in a target frequency band to be matched to a requirement. A sound vibration gene...  
WO/2018/047708A1
Provided is an edge material of a vibration plate for an electro-acoustic transducer, containing a crystalline polyimide resin (A) comprising a tetracarboxylic acid component (a-1) and a diamine component (a-2) comprising mainly an aliph...  
WO/2018/048647A1
According to one aspect, there is provided a speaker comprising a body, a surface structure rigidly attached to the body, electro-magnetic deformable plate elements attached to the rigid planar surface structure and configured to bend, w...  
WO/2018/043224A1
This speaker device includes a speaker, a box portion, and a lid portion. The box portion has an opening portion and accommodates the speaker. The lid portion occludes the opening portion of the box portion. The lid portion includes a gr...  
WO/2018/040528A1
Disclosed are a vibration diaphragm in an MEMS microphone, and an MEMS microphone, comprising a vibration diaphragm body (1) and at least one pressure relief device (2) on the vibration diaphragm body (1) and formed by gaps (a), wherein ...  
WO/2018/040259A1
The present invention discloses a sensitive membrane and an MEMS microphone, comprising a sensing portion located at a middle part, a connecting portion located at an edge and a motion portion located between the sensing portion and the ...  
WO/2018/035720A1
Disclosed in the present invention is a diaphragm, comprising a middle part, a folding ring part, and an edge part connected in sequence from inside to outside, the folding ring part comprising at least two folding rings, the width of th...  
WO/2018/023842A1
The present invention relates to a vibration diaphragm and a manufacturing method thereof, and an electroacoustic transducer. The vibration diaphragm comprises a base layer, wherein the base layer is a film manufactured using any one of ...  
WO/2018/023843A1
The present invention relates to a vibration diaphragm and a coating method thereof, and an electroacoustic transducer. The vibration diaphragm comprises: a substrate layer, a strengthening layer, and an adhesive layer coated on the stre...  
WO/2018/025138A1
Sound diffuser accessory (1), suitable to be associated to a sound source, such as for example an electric or electronic or digital musical device or instrument and suitable to diffuse sounds or sound signals deriving from said sound sou...  
WO/2018/020214A1
The application describes MEMS transducers comprising a flexible membrane layer supported in a fixed relation relative to a substrate along at least one supporting edge, wherein a plurality of slits are provided through the membrane laye...  
WO/2018/021075A1
A plurality of vibration plates (4, 5, 6, 7) each include a laminated piezoelectric layer. The plurality of vibration plates (4, 5, 6, 7) are caused to warp and vibrate at respectively different resonance frequencies by expansion/contrac...  
WO/2018/016630A1
Provided are: a piezoelectric vibration generating device that is finished with less manufacturing time and has a longer lifespan than the prior art, and that uses a circular vibrating plate and piezoelectric vibrating element; and an in...  
WO/2018/014500A1
Disclosed are a loudspeaker diaphragm and a moulding method therefor. The loudspeaker diaphragm comprises: a lead wire; a lead wire encapsulating portion, having a diaphragm portion and supporting bumps, with the supporting bumps being d...  
WO/2018/012181A1
The present invention, with structural simplification secured, heightens the accuracy of oscillator position relative to an actuator and improves sound quality. The present invention is provided with an actuator operated in accordance wi...  
WO/2018/013203A1
Planar magnetic headphones (200) include a single layer of parallel elongated magnets (320) spaced from each other and supported on a magnet holder matrix (322). The holder matrix can be plastic or it can be a metallic permeability plate...  
WO/2018/010064A1
The present invention discloses a MEMS microphone and an electronic apparatus. The MEMS microphone comprises: a pressure sensing element, for sensing pressure applied thereon´╝Ť a diaphragm attached to the pressure sensing element and ap...  
WO/2018/010138A1
An arc line loudspeaker diaphragm, consisting of a central sphere top (1) and an outer arc portion (2) connected to the outer edge of the central sphere top (1). The surface of the outer arc portion (2) is provided with a circle of radia...  
WO/2018/008181A1
The present invention relates to an electrostatic capacitance type sensor manufactured using MEMS technology, and provides a technique which enables a high SN ratio to be obtained, and which enables an increase in resistance to input pre...  
WO/2018/008347A1
This oscillatory component for loudspeakers has a base layer, an intermediate layer and a coating layer. The base layer has a front surface and a back surface, while having a first density and being configured from paper that is composed...  

Matches 1 - 50 out of 16,143