Matches 1 - 31 out of 31


Match Document Document Title
US20100296687 Diaphragm and Speaker  
The present invention provides a dome diaphragm having high strength wholly and uniformly while maintaining a small thickness of a dome portion. A diaphragm 1 according to the present invention is...
US20150016657 VIBRATING DIAPHRAGM AND SOUNDER USING THE SAME  
A diaphragm and a sounder using the same are disclosed in the present disclosure. The diaphragm includes a suspension portion and a dome assembled with the suspension portion. The dome includes a...
US20110317869 LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER INCLUDING THE LOUDSPEAKER DIAPHRAGM  
A loudspeaker diaphragm according to an embodiment of the present invention includes: a diaphragm portion; and an edge portion, which is molded integrally with the diaphragm portion and made of a...
US20140054104 SPEAKER DIAPHRAGM AND ITS MANUFACTURING METHOD  
A speaker diaphragm structure includes a speaker diaphragm and a coating formed on the speaker diaphragm and is composed of at least one dense layer and relatively porous layer alternately...
US20120043157 THREE DIMENSIONAL ACOUSTIC PASSIVE RADIATING  
A three dimensional acoustic passive radiator diaphragm. A diaphragm a three dimensional volume. An acoustic driver radiates pressure waves into the three dimensional volume to cause the diaphragm...
US20050211499 Loudspeaker diaphragm  
A loudspeaker diaphragm for converting fluctuating electric energy into acoustic energy is made of a composite of paper, fiber material, plastic, laminate, metal foil, or a combination of the...
US20110284317 SPEAKER DIAPHRAGM, SPEAKER, AND PRODUCTION METHOD OF SPEAKER DIAPHRAGM  
A speaker diaphragm (1) contains a material obtained by adding a cycloolefin polymer resin to a carbon fiber-reinforced liquid crystal polymer. The speaker diaphragm (1) having high sound...
US20110026758 DIAPHRAGM AND LOUDSPEAKER USING THE SAME  
A diaphragm includes a membrane and at least one reinforcing structure stacked on the membrane. The at least one reinforcing structure includes at least one free-standing carbon nanotube...
US20130259291 LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER USING THE SAME  
A loudspeaker diaphragm includes a diaphragm portion and an edge portion, which is molded integrally with the diaphragm portion and made of a material different from a material for the diaphragm...
US20080000716 Production Facility for Speaker Diaphragm, Method of Manufacturing Speaker Diaphragm Using the Production Facility, and Speaker Diaphragm  
A production facility for a speaker diaphragm capable of forming a sheet-like film material by stepwise controlling the pressure and the flow of compressed air in air-pressure forming and a method...
US20110116677 DIAPHRAGM AND LOUDSPEAKER USING THE SAME  
A diaphragm includes a central portion and an edge portion around the central portion. The central portion includes a plurality of carbon nanotubes therein. The central portion is a carbon...
US20060266578 Speaker diaphragm and method for manufacturing the same  
A speaker diaphragm is formed with a woven cloth as a base material. The woven cloth is formed with fibers made through mixing a natural fiber with a chemical fiber. Thereby, provided is the...
US20070131478 Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them  
A speaker diaphragm or a dust cap formed by injection molding a mixture at least containing a resin material and a fiber material. The speaker diaphragm or the dust cap combines the advantages of...
US20080260188 Acoustic Diaphragm and Speaker Having the Same  
Disclosed herein is an acoustic diaphragm for converting electrical signals into mechanical signals to produce sounds. The acoustic diaphragm comprises carbon nanotubes or graphite nanofibers as...
US20090288909 SINTERED ELEMENTS AND ASSOCIATED SYSTEMS  
Sintered elements for use in hazardous areas comprise a first flame path having a first length and a first pore size, and a second flame path having a second length and a second pore size. The...
US20090045005 Acoustic Diaphragm and Speakers Having the Same  
Disclosed herein is an acoustic diaphragm for converting electrical signals into mechanical signals to produce sounds. The acoustic diaphragm comprises carbon nanotubes or graphite nanofibers as...
US20090285431 DIAPHRAGM WITH INTEGRATED ACOUSTICAL AND OPTICAL PROPERTIES  
A multifunctional transducer diaphragm may be configured as audio speaker system for displays wherein the multifunctional transducer diaphragm is capable of polarizing light transmitted...
US20140083795 COMPOUND MEMBRANE AND ACOUSTIC DEVICE USING SAME  
The present disclosure provides a compound membrane and an acoustic device including such a compound membrane. The compound membrane includes a polyetherimide film, and a thermoplastic...
US20090028376 Diaphragm for loudspeaker and loudspeaker  
A diaphragm body (12) is provided with a plurality of slits (14, 14a) extending from the central part thereof toward the outer circumference. The slits (14, 14a) are filled with a low-elasticity...
US20080006475 DIAPHRAGM FOR SPEAKER AND MANUFACTURING METHOD THEREFOR  
A diaphragm for use in a speaker is manufactured using a plurality of thin wooden boards having flat rectangular shapes. The thin wooden boards are impregnated with a resin; then, a plurality of...
US20110096952 DIAPHRAGM, METHOD MAKING THE SAME AND LOUDSPEAKER USING THE SAME  
A diaphragm includes a carbon nanotube film structure and an amorphous carbon structure composited with the carbon nanotube structure to form a stratiform composite structure. The carbon nanotube...
US20080087493 Diaphragm For Planar Speaker And Planar Speaker  
A diaphragm for a planar speaker and a planar speaker having a long-term stability and a high reliability and exhibiting a flat sound pressure frequency property. The diaphragm for a planar...
US20070187171 Production method of an acoustic diaphragm, acoustic diaphragm, and a speaker  
A method of producing an acoustic diaphragm includes forming a workpiece having a shape of the acoustic diaphragm by using a natural material which can be carbonized by burning, impregnating a...
US20100236861 DIAPHRAGM OF ELECTRO-ACOUSTIC TRANSDUCER  
A diaphragm of an electro-acoustic transducer is provided. The diaphragm of the electro-acoustic transducer includes a central portion and a peripheral portion. The rigidity of the central portion...
US20050051380 Speaker diaphragm and speaker using the diaphram  
A speaker diaphragm outputting a voice with vibrations of a voice coil, includes a base substance and a polyethylene naphthalate fiber sheet laminated on the base substance. The polyethylene...
US20120325576 DIAPHRAGM FOR ELECTRO-ACOUSTIC TRANSDUCER  
A diaphragm for electro-acoustic transducers, especially a diaphragm for speakers, and a film for the diaphragm excellent in the formability and the durability in high-output operation are...
US20100040246 COMPOUND MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND ACOUSTIC DEVICE  
A compound membrane (100) for an acoustic device (200), the compound membrane (100) comprising a first layer (101) and a second layer (102), wherein a value of Young's modulus of the second layer...
US20110155501 DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER  
An exemplary diaphragm includes a first member and a second member attached to the first member. The first member is made of polyetherimide, and the second member is made of polyethylene...
US20060249327 Vibration system part for speaker device and manufacturing method thereof  
A Vibration system part for a speaker device includes a woven fabric or a non-woven fabric made of basalt fiber produced by twist yarn or roving yarn being a continuous long-fiber. The vibration...
US20160001109 VOICE TRANSMITTER  
Provided is a voice transmitter in a simple structure that can be manufactured at a low cost, and can make speech uttered by a wearer clearly hearable at the outside. In a voice transmitter unit...
US20150310848 METHOD FOR MANUFACTURING COMPOUND DIAPHRAGM  
The present disclosure provides diaphragm and a method for manufacturing the same. The diaphragm includes a first macromolecular material layer, a graphene layer, a glue layer and a second...

Matches 1 - 31 out of 31