Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 16,575

Document Document Title
WO/2016/039138A1
This stretchable film laminate (100) comprises a laminate (102) and external electrodes (31, 32). The laminate (102) is formed by alternately laminating a plurality of stretchable films (21a-21g) and a plurality of main surface electrode...  
WO/2016/033913A1
The present utility model discloses an internal structure of a shielding case using a moving iron unit and having an internally mounted diaphragm, belonging to the field of headphones. The internal structure of a shielding case using a m...  
WO/2016/035263A1
A loudspeaker comprises: an upwardly-protruding dome-shaped diaphragm body; a magnetic circuit located below the diaphragm body; a voice coil coupled to the diaphragm body; an edge coupled to the peripheral part of the diaphragm body; an...  
WO/2016/029359A1
A PCB speaker and a method for micromachining the speaker diaphragm on PCB substrate, the method for micromachining the speaker diaphragm on PCB substrate comprises: providing metal paths and at least one through hole on the PCB substrat...  
WO/2016/029357A1
Providing a method for manufacturing a thermal bimorph diaphragm and a MEMS speaker with thermal bimorphs, wherein the method comprises the steps of: thermally oxidizing a substrate (1) to obtain an insulating layer (2) thereon and provi...  
WO/2016/029358A1
A silicon speaker comprising an MEMS acoustoelectric chip and a PCB substrate (3), wherein the MEMS acoustoelectric chip comprises a corrugated diaphragm (1) on a silicon substrate (2); and one side surface of the MEMS acoustoelectric ch...  
WO/2016/027856A1
A support for a stringed instrument having a resonance body comprises a support portion for supporting the stringed instrument, and a vibrator that comes into contact with the resonance body of the stringed instrument and vibrates the re...  
WO/2016/020835A1
Embodiments of an electromechanical transducer are presented. The electromechanical transducer includes a plurality of magnets and a substrate having a patterned conductive coil of at least one turn. The plurality of magnets are arranged...  
WO/2016/017588A1
Provided is an inexpensive electroacoustic transducer that has a wide directivity over wide frequency bands from bass to treble with one speaker unit and that has substantially a single directivity irrespective of whether the speaker uni...  
WO/2016/017632A1
This invention provides an electroacoustic conversion film and an electroacoustic converter whereby high-quality sound can be reproduced consistently using a single diaphragm and the reproducible frequency range can be expanded. This inv...  
WO/2016/017590A1
A vibration exciter comprising a vibration exciter main body and a vibrating body and generating sound by exciting a body to be excited, in a first direction. Resonance of plate springs caused by vibration of the vibrating body is suppre...  
WO/2016/017475A1
[Problem] To provide: a piezoelectric element with which an acoustic generator having excellent characteristics and a simple configuration can be realized; and an acoustic generator, an acoustic generation device, and an electronic appar...  
WO/2016/011780A1
An MEMS microphone comprises a circuit board, a package structure enclosed by a housing, and a sound hole. An MEMS chip and an integrated circuit ASIC chip are disposed in the package structure. The sound hole is formed in the housing. T...  
WO/2016/014515A1
Breakup of an electro-acoustic transducer is disrupted by introducing discontinuities that do not conform to a configuration having n-fold radial symmetry. This may be accomplished by using irregular azimuthal spacing and/or by having a ...  
WO/2016/013122A1
Provided is a composite speaker device that can suppress the fluctuation of sound radiation characteristic caused by a sound propagation from a treble speaker unit to a bass speaker unit. A composite speaker device (1) comprises: a first...  
WO/2016/010127A1
An objective of the present invention is to provide a film having excellent mechanical strength and wear resistance. This film, which comprises an aromatic polyether ketone resin (I) and a fluorine resin (II), is characterized in that th...  
WO/2016/011282A1
A realistic simulation of the dynamic sounds of a full- sized vehicle are created on a moving R/C Scale Model. A mounting apparatus supports an audio exciter in a model vehicle without any modification to the exciter. A full range of vol...  
WO/2016/002230A1
 In the present invention, a loudspeaker is provided with a diaphragm, a voice coil body, and a magnetic circuit. A first face of the diaphragm is the surface of a concavity configured from a thin-wall part and a thick-wall part formed...  
WO/2016/002830A1
 The present invention provides a speaker device in which time lag between an acoustic signal and a noise cancelation signal is prevented, degradation in high-frequency characteristics is avoided, and acoustic characteristics can be im...  
WO/2016/003962A1
A method of minimizing edge reflections of vibrational waves in a flat panel speaker assembly for a stereo device by characterizing the impulse response of the flat panel and associated components in response to a test signal to produce ...  
WO/2016/002231A1
 In the present invention, a loudspeaker is provided with a frame, a diaphragm, a voice coil body, a terminal, and a junction line. The diaphragm has a thin-wall section and a thick-wall section formed around the thin-wall section. The...  
WO/2015/199236A1
A speaker (100) or microphone (electroacoustic transducer) is provided with: a vibrating body (1) that has one or more vertically split cylindrical surfaces (5); a housing (3) that has a securing part (31b) for securing a side of the ver...  
WO/2015/199140A1
Disclosed is an electronic apparatus wherein a cover panel is positioned on the front surface of the electronic apparatus. A display panel has a display element that emits light from itself, said display panel being positioned on the rea...  
WO/2015/197382A1
The present application relates to a transducer element (1) comprising: a movable membrane (2, 2a, 2b) that has a border (4); a frame (5), to which the border (4) of the membrane (2, 2a, 2b) is fastened; and a reinforcement element (10) ...  
WO/2015/198683A1
[Problem] To address the problem of providing a bone conduction speaker which, although a bone conduction speaker, improves high-frequency response by adding a structure with which it is possible to generate an air-passage sound, and, th...  
WO/2015/195412A1
A diaphragm assembly disposed in a receiver and includes a support structure. The support structure is generally rectangular and has a length that extends along a longitudinal axis. The support structure has a width that is generally per...  
WO/2015/186110A1
Loudspeaker for an acoustic diffuser (12) for high-frequency signals comprising: - a planar and elongated vibrating element (13) with electric conduction properties and having at least one long internal segment (14a, 14b) and long extern...  
WO/2015/182197A1
[Problem] To provide an acoustic generator having improved sound qualities, an acoustic generation device that is provided with the acoustic generator, and electronic apparatus that is provided with the acoustic generator. [Solution] An ...  
WO/2015/180289A1
The present invention provides a loudspeaker diaphragm, comprising a first surface layer, a middle layer and a second surface layer that are in a stacked structure. The loudspeaker diaphragm is characterized in that: at least one surface...  
WO/2015/174491A1
Provided is an electroacoustic transducer which with a single speaker unit achieves high directivity across a wide frequency range, from low frequency sounds to high frequency sounds. This electroacoustic transducer is provided with: a v...  
WO/2015/172569A1
A vibration diaphragm, especially a vibration diaphragm used for a loudspeaker, is disclosed in the present invention. The vibration diaphragm includes: a hollow, truncatedly conical diaphragm body with a first end, a second end, a front...  
WO/2015/083020A3
A loudspeaker array is described including several circular sound emitters that are bunked. One circular sound emitter can be either a circular array of loudspeakers (kind 1) or a toroidal loudspeaker (kind 2). The loudspeaker array can ...  
WO/2015/166285A1
The field of the invention relates to speaker devices, to speaker panels for speaker devices, to mechanical assemblies and mountings for speaker devices, to uses of speaker devices for example as products or as components for products, a...  
WO/2014/143723A3
The invention generally relates to acoustic transducers. In certain aspects, the acoustic transducer includes a speaker in the base of the transducer for emitting acoustic energy at a first range of frequencies. The transducer may also i...  
WO/2015/167848A1
An acoustic module, such as a microphone or speaker module, includes an acoustic membrane that vibrates to produce acoustic waves and an acoustic cavity through which acoustic waves produced by the membrane travel. A liquid removal mecha...  
WO/2015/165119A1
A diaphragm sheet (2) for making a vibrating diaphragm (5) and a method of forming the vibrating diaphragm (5), and a composite vibrating diaphragm; the diaphragm sheet (2) is made of MCPET material, and the MCPET material is an MCPET re...  
WO/2015/161734A1
The present invention provides a method and system for acquiring the natural frequency of a diaphragm, which are used for acquiring the natural frequency of the diaphragm through the use of a closed space consisting of a structural cavit...  
WO/2015/156348A1
In this attachment structure for a vibrator which comprises a magnetic path forming unit and a diaphragm and which generates sound by vibrating a vibrated body in a first direction, the amount of displacement of the vibration body relati...  
WO/2015/156349A1
In order to achieve optimal sound generation by a vibrator vibrating a vibrated body and to enable easily removing the vibrator from the vibrated body, an attachment structure of a vibrator (40) is provided in which the vibrator (40) com...  
WO/2015/146117A1
This loudspeaker includes: a light emitting element; a frame; a magnetic circuit including a magnetic gap; a diaphragm; a voice coil bobbin; and a voice coil. The diaphragm has: an inner circumferential end section having the light emitt...  
WO/2015/145795A1
[Problem] To provide an acoustic generator, which has excellent sound qualities, and is not susceptible to being affected due to vibration from the outside, an acoustic generation device, and an electronic apparatus. [Solution] An acoust...  
WO/2015/145906A1
[Problem] To provide an acoustic generator, which is capable of suppressing a sharp sound pressure change at a specific frequency, and transmitting high-quality sound information by flattening sound pressure characteristic line, and to p...  
WO/2015/145776A1
The approaching vehicle notification sound speaker device is equipped with a diaphragm for generating sound, an edge section that is joined to the outer edge of the diaphragm, and a frame for supporting the outer periphery of the edge se...  
WO/2015/146446A1
[Problem] To provide a universal speaker that efficiently transmits kinetic energy that has been converted from electrical energy of an audio signal to one or more diaphragms, and enables both healthy individuals and the hard of hearing ...  
WO/2015/142846A1
A suspension element used in an acoustic apparatus includes a woven fabric made of warp thread and weft thread. The warp thread extends parallel to a first major axis of the woven fabric and the weft threads extend parallel to a second m...  
WO/2015/140962A1
[Solution] A vibration plate for a speaker device comprises a sound emission side surface. The sound emission side surface is formed by use of a base material containing fibrous material, and a filler mixed into the base material. The fi...  
WO/2015/139567A1
Provided in this utility model is a loudspeaker cone comprising a polygonal star shaped opening disposed in the center; the edges of the opening obliquely extend outward and upward to form V-shaped grooves having a plurality of connected...  
WO/2015/136656A1
[Problem] To enable increase of driven sounds and achievement of higher quality in a speaker device. [Solution] A cylindrical main frame (31) supports a first vibration membrane (49). A first driver part (59), which uses an applied audio...  
WO/2015/131925A1
A non-uniform stress distribution of a MEMS microphone having a non-circular shape is compensated by a structured back plate that has a compensating structure to provide a stress distribution opposite to that of the membrane.  
WO/2015/132042A1
The invention relates to a multilayer composite for use as a membrane for electroacoustic transducers, comprising a first outer layer and a second outer layer and a layer of a pressure-sensitive adhesive disposed between these outer laye...  

Matches 401 - 450 out of 16,575