Matches 1 - 50 out of 97 1 2 >


Match Document Document Title
US20110064261 SPEAKER  
A speaker includes a speaker body; a cone paper movably supported by the speaker body; and a magnetic driving unit disposed on the speaker body to vibrate the cone paper, wherein the cone paper...
US20110158463 CONE TWEETER MEMBRANE  
Membrane construction for a loudspeaker, in particular a cone tweeter membrane construction, where said membrane comprises two concentrically arranged sections, a first inner dome shaped annular...
US20120014556 LOUDPEAKER WITHOUT EXTRANEOUS CONE FORCES DUE TO AIR TRAPPED BEHIND THE DUST COVER  
A loudspeaker in which the cone contains holes which allows the air behind the dust cover to flow freely in and out from behind the dust cover as the cone moves. There may also be a hole or holes...
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...
US20050008188 Loudspeaker with a double spider centering system  
A loudspeaker includes a frame, a diaphragm disposed in the frame, a motor system for the diaphragm including a magnet system attached to the frame and a voice coil system attached to the...
US20110026759 RING SHAPED MEMBRANE FOR AN ELECTRO-ACOUSTICAL LOUDSPEAKER  
Ring-shaped membrane for an electro-acoustical loudspeaker, where said membrane comprises two or more dome-shaped annulus concentrically arranged around a central portion through which an...
US20120281870 NON-DIRECTIONAL TRANSDUCER  
A transducer for the creation of acoustic energy omni directionally in a horizontal plane. The transducer includes a base plate, the base plate supporting a centrally located voice coil motor...
US20110222722 LOUDSPEAKER WITH DISTRIBUTED DRIVING OF THE MEMBRANE  
The membrane of a loudspeaker, which is driven on a limited part of the membrane, does not move completely like the tone current. For example, a cone, which is driven in the top, provides more...
US20110075881 DIAPHRAGM AND LOUDSPEAKER USING THE SAME  
A diaphragm includes carbon nanotube wire structures. The carbon nanotube wire structures are crossed with each other and woven together to form the diaphragm with a sheet structure. Each of the...
US20060083402 Angled cone of loudspeaker  
An angled cone of loudspeaker is pressed with heat to form a polygonal cone body, in which a plurality of turning points is arranged radially while a deflective line is disposed annually to...
US20120008818 SPEAKER DEVICE  
A speaker device includes: an acoustic diaphragm having a given shape and made of a material having physical anisotropy; and an excitation means attached to the acoustic diaphragm for exciting...
US20070189572 LOUDSPEAKER SYSTEM FOR ACOUSTIC INSTRUMENTS AND METHOD THEREFOR  
A speaker cabinet including at least one bass speaker having a voice coil aligned by a magnetic fluid without a ‘spider’ and having an anodised metal cone, and at least one further speaker having...
US20080137901 Boxcar for loudspeaker bobbin  
An electromagnetic transducer such as an audio loudspeaker, whose diaphragm assembly and motor both have a highly elongated shape in which the long dimension is at least 3× greater than the short...
US20060165253 Drum paper of loudspeaker covered with metallic layer  
Disclosed is a drum paper of loudspeaker covered with metallic layer. The drum paper is comprised of a conic base layer made by non-woven fabric or woven fiber, and a metal-covered layer coated on...
US20090296963 Diaphragm for condenser microphone, method for manufacturing the same, and condenser microphone  
The adsorption stability with respect to a fixed pole is increased while the low frequency response of a diaphragm is improved especially in an electret condenser microphone. In a diaphragm 11 for...
US20150146914 Audio Transducer With Electrostatic Discharge Protection  
An apparatus including a diaphragm, where the diaphragm includes a membrane having electrically conductive material; a drive configured to move the diaphragm; and a connector configured to connect...
US20120063628 SOUND REPRODUCTION SYSTEMS AND METHOD FOR ARRANGING TRANSDUCERS THEREIN  
Loudspeaker system including a housing and at least four transducers arranged therein. Each transducer includes a substantially circular diaphragm and the diaphragms are constructed with specific...
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...
US20070195986 Diaphragms for Loudspeaker Drive Units For Microphones  
A diaphragm for a loudspeaker drive unit or for a microphone, the diaphragm including a dome-shaped member of synthetic diamond, wherein the diaphragm includes an integrally-formed, peripheral...
US20140314268 PLANAR SPEAKER  
The present invention provides a low-frequency sound reproduction apparatus that includes a membrane assembly, a piston configured to drive the membrane and an adhesive layer positioned between...
US20110019866 MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER  
A membrane for an electroacoustic transducer is disclosed having a first area, a second area, which is arranged for translatory movement in relation to said first area, and a third area, which...
US20060029249 Loudspeaker with hair leather diaphragm  
A hair leather diaphragm for a loudspeaker. The acoustic impedance of the hair leather diaphragm is lower than several existing loudspeaker diaphragms and closer to the acoustic impedance of air....
US20090285441 Loudspeaker Having a Continuous Molded Diaphragm  
A loudspeaker is disclosed. The loudspeaker includes a rigid frame, a diaphragm is firmly attached to the frame. A plurality of transducers attached to the diaphragm. In use, the loudspeaker...
US20070160258 Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same  
A diaphragm for an electro-acoustic converter is made of an aromatic polyimide film. A glass transition temperature of the film is 230° C.-300° C. The aromatic polyimide film is made from a...
US20060177092 Speaker and method for manufacturing the speaker  
A method of manufacturing a speaker includes providing an integral set of frames each with a receptacle opening, mounting a plurality of magnetic circuit units in the respective receptacle...
US20050163332 Luminescence speaker unit  
A luminescence audio unit structure includes a holder, a vibrating membrane, a membrane tray and an electro luminescence piece; wherein an expanding opening is formed in front of the holder, a...
US20070183621 Diaphragm for tweeter  
A diaphragm for tweeter is made of loosened and arbitrarily oriented carbon fiber pieces, or a mixture of such loosened and arbitrarily oriented carbon fiber pieces and a predetermined amount of...
US20090060255 MULTI-LAYERED MEMBRANES CONSISTING OF A PLURALITY OF MATERIALS, FOR THE LOUDSPEAKER OF A HIGH FIDELITY LOUDSPEAKER CABINET  
The invention relates to a membrane (1) for a loudspeaker, characterised in that: it has a core (2) consisting of structural mousse which is very precisely cut and thermoformed to the desired...
US20120027236 ACOUSTIC PRESSURE TRANSDUCER  
Acoustic transducer means are provided. A monolithic semiconductor layer defines a plate, a pair of oppositely disposed torsional hinges, a flexible extension and at least a portion of a support...
US20100172537 LOUDSPEAKER WITH REAR SURROUND SUPPORT  
An improved dynamic loudspeaker that eliminates all visible mechanical components except the diaphragm when viewed from the front in a mounting baffle, and enables all of the front exposed...
US20050185816 Loudspeaker driver having a removable diaphragm assembly, parts kit and method for rebuilding a loudspeaker driver in the field  
A low frequency loudspeaker driver has a replaceable diaphragm assembly permitting a user to re-cone a blown woofer when in the field. In one embodiment, the peripheral edge of a loudspeaker...
US20070047757 DIAPHRAGM FOR MICRO-ELECTROACOUSTIC DEVICE  
A diaphragm for a micro-electroacoustic transducer includes a central portion and a peripheral portion surrounding the central portion. The central portion is deformed to integrally form a...
US20110299718 System for Vibration Confinement  
Systems and apparatuses are provided for vibration confinement and stress management in a loudspeaker. In one embodiment, the loudspeaker comprises a diaphragm that extends from an inner diaphragm...
US20130279738 HIGH AMPLITUDE LOUDSPEAKER  
A speaker. The speaker includes a housing, a first electrode, a second electrode, and a diaphragm. The housing has a first end, the first end which includes an acoustic aperture. The first...
US20080130939 Method of Making a Linkage Assembly for a Transducer and the Like  
A linkage assembly is used for mechanically coupling an armature and a diaphragm of a balanced receiver, the linkage assembly formed from a first linkage member displaced from a strip of stock...
US20080166010 Overlapping surround roll for loudspeaker  
A loudspeaker in which the voice coil diameter is so large that the voice coil is axially beneath the suspension roll of the surround. The surround has an overlapping suspension roll such that the...
US20060078154 Electricalacoustic ransducer  
Disclosed is an electrical acoustic transducer applied to speakers, earphones, headphones, etc. The electrical acoustic transducer includes a frame having a cone, a voice coil provided on a lower...
US20090169049 Low Profile Audio Speaker  
A low profile audio speaker having a power less than 5W includes a concave chassis; a magnet secured onto a bottom of the chassis; a top plate mounted on the magnet; a mounting flange secured to a...
US20060182306 COMPONENT OF A TRACTION DEVICE, METHOD OF MANUFACTURING AND TRACTION DEVICE USING THE SAME  
A process of conditioning a corrugated diaphragm adapted for use in a traction device in order to impart a spring force. The process includes obtaining a neutral state corrugated diaphragm with a...
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...
US20080008346 Dynamic reflection 4pi steradian omni directional tweeter  
A 4π steradian omni directional tweeter has a closed hollow body acting as a dynamic reflector connected at the center topside of a diaphragm. A piezoelectric element or a voice coil drives the...
US20050152575 Loudspeaker transducer  
The present invention is embodied in an audio transducer that exhibits excellent audio characteristics. The present invention includes a single, curved planar diaphragm that is mounted at its...
US20070274558 Squeeze-stretch driver for earphone and the like  
A squeeze-stretch (also called, herein push-pull) loudspeaker or driver, such as an electret, can operate in an active noise reduction (ANR) earplug application. Other embodiments of a...
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...
US20080192953 Loudspeaker Arrangement in a Motor Vehicle  
A loudspeaker arrangement in a motor vehicle includes at least one loudspeaker, which is able to be driven by an audio processor, the loudspeaker being arranged as at least one electrostatic...
US20140369548 Formed Diaphragm Frame For Receiver  
An acoustic apparatus includes a top assembly and a bottom assembly. The bottom assembly is coupled to the top assembly to form an overall assembly. A diaphragm assembly is disposed in the overall...
US20090226028 Loudspeaker, Speaker Diaphragm, and Suspension  
The present invention relates to a hi-fi speaker. The diaphragm (1) is comprised of a frame member (2) and filler members (3) filled in the frame member (2). The frame member is comprised of flat...
US20150181342 MODULAR SPEAKER COMPONENT  
This invention discloses a kind of modular speaker component. A characteristic is that it includes a fixed part. This fixed part has a thin-walled structure. An active loudspeaker unit and passive...
US20150071483 ENERGY CONVERTER, SPEAKER, AND METHOD OF MANUFACTURING ENERGY CONVERTER  
An energy converter includes a permanent magnet and a diaphragm. The permanent magnet is fixed to a predetermined area. The diaphragm is disposed on the permanent magnet and has a coil formed of a...
US20060204029 Speaker unit and sound output device  
In a speaker core (10) and a speaker unit using the same, a counter-mass (18), which utilizes the masses of a receiver circuit (31), a battery (32) and a case (33), is provided on one end side of...

Matches 1 - 50 out of 97 1 2 >