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Patent Searching and Data


Matches 1 - 50 out of 16,183

Document Document Title
WO/2018/164438A1
One embodiment provides a device comprising a speaker driver, a microphone configured to obtain a measurement of a near-field sound pressure of the speaker driver, and a controller. The controller is configured to determine a velocity of...  
WO/2018/155518A1
A glass plate construct including at least two plates and a liquid layer held between the two plates, at least one of the two plates being a glass plate. The glass plate construct constitutes a step part presenting a stair shape in a cro...  
WO/2018/154302A1
A panel loudspeaker controller (100) is disclosed that is for controlling a panel loudspeaker comprising a plurality of actuators. The panel loudspeaker controller comprises a plurality of electrical signal inputs (102), a plurality of s...  
WO/2018/151106A1
In order to provide a floating speaker that: is capable of oscillating sound in every direction in the surroundings without causing energy loss; and is of a unique, unprecedented design, a speaker emits sound such as music, speech, etc.,...  
WO/2018/149718A1
A loudspeaker membrane having good damping properties and high stability – in particular thermal stability – is intended to be made available. This is accomplished with a multilayer composite for the production of or use as micro-lou...  
WO/2018/148485A1
In accordance with one aspect, a diaphragm for an acoustic receiver is provided that includes a frame, a paddle flexibly coupled to the frame, and a gap between a portion of the paddle and the frame. The diaphragm further includes siloxa...  
WO/2018/143679A1
The present invention relates to an interchangeable module-type variable earphone, wherein a connecting module and a space varying module are sequentially coupled to a head module receiving a speaker module, by screwing the modules to ea...  
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/2018/138994A1
A speaker 100 comprises a main cone 1 and a sub cone 8. Linear thin-walled parts 10, 11 for reducing the thickness of the sub cone 8 are provided in a region including an outer side 14 and/or an inner side 13 of the sub cone 8. The linea...  
WO/2018/134568A1
There is provided a MEMS microphone as a microelectromechanical transducer comprising a flexible membrane, the flexible membrane comprising an electromagnetic waveguide. There is further provided a microelectromechanical system comprisin...  
WO/2018/131435A1
According to the present invention, a vibration plate 11 and a vibration support sheet 12 that supports the vibration plate 11 are provided in an opening part 6 of a frame fixed inside a case. The vibration support sheet 12 has a vibrati...  
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/2018/128324A1
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 ...  

Matches 1 - 50 out of 16,183