Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 16,523

Document Document Title
WO/2016/029357A9
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/2016/070231A1
A Sodar apparatus is disclosed for sounding the atmosphere. The apparatus includes a transducer for converting an electrical signal to an acoustic wave and/or vice-versa and transferring means associated with the transducer for transferr...  
WO/2016/072817A1
A diaphragm for a speaker apparatus according to the present invention, which has a major axis and a minor axis perpendicular thereto, comprises: an edge part coupled to a diaphragm edge or a frame and formed as a substantially flat surf...  
WO/2016/067888A1
This electronic apparatus is provided with a panel, a piezoelectric vibrating element, a component, and a cushion material. The panel is provided on a surface of the electronic apparatus. The piezoelectric vibrating element is provided o...  
WO/2016/067667A1
 [Problem] To provide an acoustic generation element, an acoustic generation device, and an electronic instrument by which sufficient acoustic pressure is obtained by applying a high voltage, mechanical degradation is suppressed even f...  
WO/2016/068247A1
[Problem] To provide a piezoelectric element for which the strong manifestation of piezoelectric resonance at a specific frequency can be suppressed, thereby improving the sound quality of an acoustic generator, and to provide an acousti...  
WO/2016/061713A1
A diaphragm structure of a sounding apparatus. The diaphragm structure comprises: a thin-film layer (11); a first circuit thin-film layer (21), fixed on a first side (111) of the thin-film layer (11) by means of a first electrolytic bond...  
WO/2016/063628A1
[Problem] To provide an electroacoustic conversion device capable of producing sound pressure equal to that of a circular laminated piezoelectric element even when a polygonal laminated piezoelectric element is used. [Solution] An electr...  
WO/2016/060886A1
An acoustic apparatus includes a back plate, a diaphragm, and at least one pillar. The diaphragm and the back plate are disposed in spaced relation to each other. At least one pillar is configured to at least temporarily connect the back...  
WO/2016/060210A1
An acoustic system comprising: a vibration part which constitutes a planar speaker for outputting sound waves having directivity toward a floor and generates sound waves; and a sound insulation part which constitutes the speaker, is disp...  
WO/2016/059764A1
This loudspeaker includes a frame, diaphragm, edge connecting section, magnetic circuit having a magnetic gap, and voice coil body. The edge connecting section connects an outer peripheral end portion of the diaphragm and the frame to ea...  
WO/2016/056500A1
[Problem] To provide an electronic apparatus capable of generating a stable vibration throughout a panel. [Solution] An electronic apparatus 1 is provided with: a panel 20 having an approximately rectangular shape; a housing 10 holding s...  
WO/2016/056741A1
A speaker includes: a diaphragm; and a damper configured to adjust vibration of the diaphragm and including a first and second metal plates having polarities that are different from each other and symmetrical with each other, wherein the...  
WO/2016/054723A1
Materials used in acoustic transducer membranes need very specific qualities that in any real system require many tradeoffs to be made. Graphene and graphene related materials are a newly discovered class of materials with some exception...  
WO/2016/052695A1
An exciter (1) equipped with: a vibrating body (2) equipped with a yoke and a magnet; a frame (3) in which the vibrating body (2) is embedded, with a damper (4) therebetween; and a voice coil bobbin (5), which is installed in the interio...  
WO/2016/051510A1
Provided is a speaker device that can suppress the disturbance of sound emission characteristic caused by sound propagation from a treble speaker unit to a bass speaker unit. In the speaker device (1, 5), a propagation path adjustment pa...  
WO/2016/052582A1
[Problem] To provide an electronic device that is capable of generating stable vibration across the whole of a panel. [Solution] The electronic device 1 includes a panel 20, a casing 10 that holds the panel 20, and a piezoelectric elemen...  
WO/2016/052022A1
The present invention improves the strength and durability of a mounting portion to a voice coil in a vibrating body such as a riffel speaker in which a pair of vertically split cylindrical surfaces are disposed in parallel, and further ...  
WO/2016/048062A1
A speaker apparatus and an electronic device having the same are provided. The speaker apparatus includes a hollow shape frame, a magnet disposed in an internal part of the hollow shape frame, a voice coil installed in proximity to the m...  
WO/2016/046412A1
The invention relates to an electrodynamic sound transducer comprising a chassis (400, 1400) and at least one vibrating membrane (100, 1100), which comprises, on the edge thereof (1101), at least two securing sections (1101) which are op...  
WO/2016/042410A1
According to some aspects, an audio system is provided, comprising at least one microphone configured to capture ambient sound within a listening space, a diffuse radiator loudspeaker configured to produce incoherent sound waves, and a r...  
WO/2016/044361A1
Disclosed herein are speaker assemblies and acoustic devices comprising a panel having a long side and a short side, at least one transducer configured to excite the panel at a plurality of excitation locations on the panel to generate a...  
WO/2016/038813A1
This diaphragm for a loudspeaker is provided with a substrate layer and a coating layer. The substrate layer comprises natural fibers. The coating layer is composed of bamboo cellulose nano-fibers and is formed at least on a first surfac...  
WO/2016/040002A1
An audio speaker having a suspension system including a surround to support a diaphragm within a frame and to reduce non-pistonic motion of the diaphragm at several resonant frequencies is disclosed. More particularly, embodiments of the...  
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...  

Matches 351 - 400 out of 16,523