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Patent Searching and Data


Matches 551 - 600 out of 13,303

Document Document Title
WO/2020/122387A1
An electronic device is provided. The electronic device includes a housing including a front plate, a rear plate, and a lateral member surrounding a space between the front and rear plates and having at least one through-hole. The electr...  
WO/2020/114055A1
Disclosed are a processing method for a sound production apparatus housing, a sound production apparatus housing, and a module. The processing method for the sound production apparatus housing comprises: providing a housing main body and...  
WO/2020/118065A1
A speaker includes an outer frame defining a hollow interior space. The speaker includes a distributed mode loudspeaker (DML) member disposed along a front face of the outer frame and an elastic seal that is disposed around a perimeter o...  
WO/2020/116212A1
The present invention addresses the problem of providing a speaker diaphragm which is capable of suppressing a drop in vibration propagation speed while increasing the frequency reproduction range. A speaker diaphragm 1 according to one ...  
WO/2020/115739A1
A membrane hetero-structure includes a polymer layer and a single-layer or multi-layer graphene sheet disposed on the polymer layer. The membrane hetero-structure is tensioned across a frame having an opening such that both the polymer l...  
WO/2020/107619A1
Disclosed is a sound production apparatus. The apparatus comprises: a magnetic circuit system that is configured to be used for forming a magnetic field; and a vibration system. The vibration system comprises a voice coil, a vibration di...  
WO/2020/110756A1
An electroacoustic transducer for outputting a sound wave that corresponds to a sound signal applied from the outside, wherein it is made possible to realize a consistent acoustic characteristic from a low sound range to a high sound ran...  
WO/2020/112247A1
A panel audio loudspeaker includes a panel extending in a plane and an actuator coupled to the panel and configured to couple vibrations to the panel to cause the panel to emit audio waves. The actuator includes a rigid frame attached to...  
WO/2020/112615A1
An acoustic transducer comprises a transducer substrate defining an aperture therein. A diaphragm is disposed on the transducer substrate. The diaphragm comprises a diaphragm inner portion disposed over the aperture such that an outer ed...  
WO/2020/113115A1
An actuator includes a frame that includes a panel extending in a plane and one or more pillars extending perpendicular from the plane. The actuator further includes a magnetic circuit assembly that includes a magnet and a voice coil, wh...  
WO/2020/099222A1
The invention relates to a loudspeaker comprising a housing, a cone diaphragm which is arranged in the housing and also an, in particular flat, covering which is arranged in or on the housing, is fixed at least in sections along its circ...  
WO/2020/100828A1
This vibration device is provided with a vibration unit having a piezoelectric element, and a wiring member. The piezoelectric element contains a piezoelectric element body, an internal electrode, and an external electrode. The piezoelec...  
WO/2020/100825A1
This vibration device is provided with a vibration unit having a piezoelectric element, and a wiring member electrically connected to the piezoelectric element. The piezoelectric element has a piezoelectric element body, an internal elec...  
WO/2020/098113A1
Disclosed are a sounding device and an electronic device. The sounding device comprises: a housing (21) having an open mounting cavity; a front cover (23) configured to cover the opening of the mounting cavity; a receiving groove (231) p...  
WO/2020/093547A1
Disclosed are a reinforcing part applicable in a diaphragm of a speaker, the diaphragm, and the speaker. The reinforcing part is a three-layered composite layer structure. The reinforcing part comprises a supporting layer, a first coolin...  
WO/2020/093548A1
Disclosed in the present invention are a reinforcing part applied to a loudspeaker diaphragm, and a diaphragm. The reinforcing part is a multilayer composite structure. The reinforcing part comprises a support layer and at least one heat...  
WO/2020/096225A1
A speaker module including an inclined diaphragm and to an electronic device is provided. The speaker module includes the speaker module, the speaker module including a yoke configuring one surface of the speaker module, a magnet includi...  
WO/2020/095676A1
The present invention addresses the problem of providing a speaker diaphragm capable of easily controlling the anisotropy. A speaker diaphragm according to one aspect of the present invention contains a first polymer and a second polymer...  
WO/2020/097524A1
An acoustic transducer for generating electrical signals in response to acoustic signals includes a transducer substrate, a back plate, and a diaphragm assembly. The diaphragm assembly includes a first diaphragm and a second diaphragm co...  
WO/2020/087757A1
Disclosed in the present invention are a sounding device and an earphone. The sounding device comprises: a magnetic circuit system, a through hole being formed in the center of the magnetic circuit system; a vibration assembly, the vibra...  
WO/2020/088859A1
The present invention relates to a sound device comprising a magnetized diaphragm (4). The present invention in particular relates to a magnetized diaphragm (4) which is moved by the electromagnetic flux generated by the induction of sai...  
WO/2020/086613A1
A distributed mode actuator (DMA) includes a flat panel extending in a plane and a rigid, elongate member extended parallel to the plane. The member is mechanically coupled to a face of the flat panel at a point. An end of the member is ...  
WO/2020/080311A1
An acoustic output device (1a) according to the present invention comprises: an acoustic vibration output part (10) for outputting acoustic vibrations by advancing and retracting a movable part; and a mounting part (20) for mounting the ...  
WO/2020/080123A1
A diaphragm 1 which comprises a base 10 constituted of a pulp 20 consisting mainly of cellulose, the base 10 including a mixture layer 11 in which some of the pulp 20 coexists with mica 22 and cellulose nanofibers 21, formed as a front-s...  
WO/2020/076612A1
A method, system and devices to selectively control modal vibrations in an elastic panel with a number of force actuators distributed throughout the surface of the elastic panel to excite/depress the response of one or more vibrational r...  
WO/2020/074833A1
The invention relates to a sound transducer comprising: - a motor consisting of - a longitudinal electrical coil secured to a mobile unit and - at least one longitudinal permanent magnet generating a magnetic field in a direction perpend...  
WO/2020/075379A1
Provided is a speaker edge characterized by having a urethane foam molded by hot pressing and an elastomer sheet closely bonded to the surface of the urethane foam, and moreover characterized in that the urethane foam and the elastomer s...  
WO/2020/072920A1
A microphone device includes a base and a microelectromechanical system (MEMS) transducer and an integrated circuit (IC) disposed on the base. The microphone device also includes a cover mounted on the base and covering the MEMS transduc...  
WO/2020/072943A1
An open audio device having a housing with opposed first and second ends, a flat diaphragm configured to radiate out-of-phase front and rear acoustic radiation, structure supporting the diaphragm so it can move relative to the housing, a...  
WO/2020/072904A1
An acoustic transducer for generating electrical signals in response to acoustic signals, comprises a first diaphragm having a first corrugation formed therein. A second diaphragm has a second corrugation formed therein, and is spaced ap...  
WO/2020/070046A1
The invention relates to a planar loudspeaker, comprising a flat tone panel, a holder, at least one drive unit, preferably fixed to the holder, for driving the tone panel, and at least one stabilization apparatus, not enclosing the drive...  
WO/2020/064863A2
An interior component of a vehicle comprises a carrier having a front face directed toward a passenger compartment of the vehicle and an opposite rear face; a speaker including an at least partially transparent diaphragm and a transducer...  
WO/2020/062692A1
Disclosed are a vibration diaphragm, a vibration diaphragm assembly and a loudspeaker. A centering support sheet comprises an inner fixing portion, an outer fixing portion and a connection arm, wherein the inner fixing portion and the ou...  
WO/2020/062469A1
Provided are a microphone module and an electronic device, relating to the technical field of electronic devices. The microphone module comprises: a housing, a circuit board, a signal converter, and an adhesion member, wherein a cavity a...  
WO/2020/059638A1
The present invention is configured such that, a ring member is bonded to a cone section formed on the outer circumference of a vibration plate body, and the inner circumferential section of an edge is bonded to the outer circumference s...  
WO/2020/037899A1
A diaphragm applied to a sound producing device, a sound producing device, and a method for assembling the same. The diaphragm comprises a film layer prepared by means of a crosslinking reaction of at least one of an ethylene-acrylate co...  
WO/2020/035655A1
In some implementations, an actuator can include a magnetic cup comprising a base and sidewalls defining a cavity, the base comprising a planar outer surface opposite the cavity, an edge of the planar outer surface comprising one or more...  
WO/2020/035812A1
The invention relates to various rotational action audio transducer embodiments having a diaphragm structure including a single or multiple diaphragms. A diaphragm suspension rotatably mounts the diaphragm structure to a base structure. ...  
WO/2020/029960A1
Provided are a speaker diaphragm and a speaker. The speaker diaphragm comprises a diaphragm main body. The diaphragm main body is a rectangular bowl-shaped structure. The rectangular bowl-shaped structure comprises a rectangular bottom s...  
WO/2020/032333A1
One embodiment provides a system for nonlinear control of a loudspeaker. The system comprises a current source amplifier connected to the loudspeaker, and a controller connected to the current source amplifier. The controller is configur...  
WO/2020/022459A1
The present invention addresses the problem of providing a speaker diaphragm capable of uniformly increasing rigidity over all regions. This speaker diaphragm 1 comprises a substrate having: a resin matrix 2 whose main component is a the...  
WO/2020/000646A1
Disclosed are a sensitive film and a sensor, the sensitive film comprising a film body, whereof an edge portion is provided with an annular folded structure; the annular folded structure is in a non-closed ring shape; and the non-closed ...  
WO/2020/001787A1
A magnet actuator (1) for use in an electronic device (2) comprising a coil (3), a magnet (4), a first housing (5), and a second housing (6), the coil (3) being at least partially located within, and fixed to, the first housing (5), the ...  
WO/2020/001893A1
The present invention relates to a device (12, 12') for detecting ambient noise in the surroundings of a vehicle (10), having: - a closed housing (18) for mounting on the exterior of the vehicle, the housing comprising a plurality of ext...  
WO/2020/000926A1
Disclosed are a sounding device and a portable terminal. The sounding device comprises: a first vibration system, comprising a first vibration diaphragm and a voice coil provided at the inner side of the first vibration diaphragm, the vo...  
WO/2020/002900A1
A system includes a panel extending in a plane, an actuator attached to a surface of the panel, and an electronic control module to activate the actuator to cause vibration of the panel. The actuator includes: a plate to create a force t...  
WO/2020/003381A1
A coil body 30 has: a conductive part 32 that comprises one conductive body 31, or a plurality thereof arranged in parallel in a planar configuration; and an insulating part 33 that insulates the conductive part 32. The conductive body 3...  
WO/2020/001229A1
Disclosed by the present invention are a loudspeaker and a portable terminal; the loudspeaker comprises a first vibration system, a second vibration system and a magnetic circuit system, the first vibration system comprising a first diap...  
WO/2019/237606A1
A loudspeaker diaphragm and a loudspeaker. The loudspeaker diaphragm comprises a thermoplastic polyester elastomer film layer (11), the thermoplastic polyester elastomer being a copolymer composed of a polyester hard segment A and a poly...  
WO/2019/238644A1
The present application relates to an improved flat panel loudspeaker design. According to some aspects, the loudspeaker may include a flat panel, and a driving unit coupled to the flat panel configured to produce resonant behavior in th...  

Matches 551 - 600 out of 13,303