Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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11/27/2008 | WO2008141785A1 Electro-acoustic sound transducer, receiver and microphone |
11/27/2008 | DE202008012402U1 Flächenlautsprechervorrichtung Panel loudspeaker device |
11/26/2008 | EP1994790A1 Balanced armature bone conduction shaker |
11/26/2008 | EP1336322B1 Electromagnetic driver for a planar diaphragm loudspeaker |
11/26/2008 | CN101313628A Electroacoustic transducer |
11/20/2008 | WO2008139047A2 Active acoustic housing with multiple transducer distributed mode loudspeaker |
11/20/2008 | US20080285769 Audio Devices for Vehicles |
11/20/2008 | DE102007023512A1 Elektroakustischer Schallwandler An electro-acoustic transducer |
11/19/2008 | EP1992192A1 Sound sponge for loudspeakers |
11/19/2008 | CN101310561A Asymmetrical moving systems for a piezoelectric speaker and asymmetrical speaker |
11/19/2008 | CN101310560A Speaker |
11/19/2008 | CN101310559A Speaker |
11/18/2008 | US7454032 Magnesium diaphragm, method of manufacturing the same, and speaker apparatus |
11/13/2008 | WO2008136668A1 Sound generator |
11/13/2008 | WO2008136182A1 Speaker |
11/13/2008 | WO2008136090A1 Speaker device |
11/13/2008 | WO2008135857A1 Loudspeaker with a stiffening element |
11/13/2008 | WO2008135221A1 Membrane or membrane arrangement for an electrodynamic sound transducer, and loudspeaker comprising such a membrane or membrane arrangement |
11/13/2008 | US20080279414 Loudspeaker |
11/13/2008 | US20080277197 Diaphragm structure for micro-electroacoustic device |
11/12/2008 | EP1989915A1 A micro-transducer with improved perceived sound quality |
11/12/2008 | EP1563709A4 Dynamic micro speaker with dual suspension |
11/12/2008 | EP1481569B1 Flexible diaphragm with integrated coil |
11/12/2008 | CN101304622A Audio film structure of electroacoustic apparatus and preparation method thereof |
11/12/2008 | CN100433937C Loudspeakers |
11/11/2008 | US7450729 Low-profile transducer |
11/06/2008 | WO2008132170A1 Flat speaker |
11/06/2008 | DE10346593B4 Schallerzeuger Sound generator |
11/06/2008 | DE102007030811A1 Flachlautsprecher Flat speaker |
11/06/2008 | DE102007023443B3 Dynamic loudspeaker for flat devices, particularly flat television, has convex diaphragm, unit for attachment of edge of diaphragm to housing of loudspeaker and pair of permanent magnet and electrical coil |
11/06/2008 | DE102007020847A1 Membran bzw. Membran-Anordnung für einen elektrodynamischen Schallwandler Membrane or diaphragm assembly for an electrodynamic transducer |
11/06/2008 | CA2685504A1 Flat speaker |
11/05/2008 | EP1988741A1 Piezoelectric sounding body |
11/05/2008 | EP1988740A1 Sound generator |
11/05/2008 | CN201146596Y 一种平板振膜 A flat diaphragm |
11/05/2008 | CN101300895A Acoustic diaphragm and speaker having the same |
11/05/2008 | CN101300893A Converter system for an active noise compensation |
11/05/2008 | CN101300304A Polyarylene sulfide film |
11/04/2008 | US7447322 Speaker having a transparent panel |
10/30/2008 | WO2008129695A1 Method of producing diaphragm and speaker and electronic device using the diaphragm |
10/29/2008 | CN101297590A Improvements to audio devices |
10/28/2008 | US7443998 Speaker diaphragm and manufacturing method thereof |
10/28/2008 | US7443996 Loudspeaker |
10/28/2008 | US7443994 Gasket and speaker apparatus |
10/23/2008 | US20080260188 Acoustic Diaphragm and Speaker Having the Same |
10/23/2008 | US20080257638 Production method of an acoustic diaphragm, acoustic diaphragm, and a speaker |
10/22/2008 | EP1621046B1 Loudspeaker system for virtual sound synthesis |
10/22/2008 | CN201138864Y Loudspeaker |
10/22/2008 | CN101292568A Speaker, speaker diaphragm suspension |
10/22/2008 | CN101291548A Speaker surround structure for maximizing cone diameter |
10/22/2008 | CN100428865C Structuro of diaphragm for optoacoustic transducer |
10/21/2008 | US7438156 Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer |
10/21/2008 | US7438155 Tangential stress reduction system in a loudspeaker suspension |
10/15/2008 | EP1980133A2 Non-directional semi-diffuse transducer |
10/15/2008 | CN201131753Y A stethoscope vibration diaphragm |
10/15/2008 | CN101288336A Acoustic diaphragm and speakers having the same |
10/15/2008 | CN101287302A Manufacturing method of power-operated loudspeaker and diaphragm thereof |
10/09/2008 | WO2008120609A1 Speaker equipment |
10/08/2008 | EP1977627A1 Environmental lighting device |
10/08/2008 | CN101282596A Method of manufacturing speaker diaphragms |
10/08/2008 | CN101282593A Speaker diaphragms and dynamic speakers |
10/02/2008 | DE112006003084T5 Knochenleitungs-Shaker mit ausgewogenem Anker Bone conduction shaker balanced armature |
10/01/2008 | EP1976331A1 A separate support structure for loudspeaker diaphragm |
10/01/2008 | EP1974584A2 Bending wave acoustic device and method of making thereof |
10/01/2008 | EP1283002B1 Loudspeaker having an acoustic panel and an electrical driver |
10/01/2008 | CN101277551A Orientation sheet-supporting structure of thin type speaker |
10/01/2008 | CN100423612C Loudspeaker with a three-dimensional diaphragm |
10/01/2008 | CN100423611C Speaker edge, method of foam-molding same, apparatus for foam-molding same, speaker edge foam-molding system, and speaker employing speaker edge |
09/30/2008 | US7428946 Suspension and electro-acoustic transducer using the suspension |
09/25/2008 | WO2008115643A1 Microphone and manufacturing method thereof |
09/25/2008 | WO2008113815A1 Diaphragm and use of the diaphragm in a loudspeaker and method for the production thereof |
09/25/2008 | US20080232633 Shallow Loudspeaker |
09/25/2008 | US20080230304 Membrane for an Electroacoustic Transducer |
09/25/2008 | DE102005058629B4 Digitaler Schall-Wandler Digital sound transducer |
09/24/2008 | CN101272637A Electret capacitor type microphone with integral vocal cavity component |
09/18/2008 | WO2008111711A1 Method for manufacturing diaphragm of acoustic transducer |
09/18/2008 | US20080226116 Diaphragm and Loudspeaker Using Same |
09/17/2008 | EP1971185A1 Speaker and electronic apparatus and device using the same |
09/17/2008 | CN201118964Y Vibration board for high-rigidity micro speaker |
09/17/2008 | CN101267689A Capacitor micro microphone chip |
09/12/2008 | WO2008107853A1 Acoustic diffusion enclosure |
09/10/2008 | EP1968345A2 Acoustic vibration reproducing apparatus |
09/10/2008 | EP1966102A1 Sound-generating glazing |
09/10/2008 | CN201114739Y Cloth body structure special for cloth edge |
09/10/2008 | CN101262713A A plane speaker |
09/04/2008 | WO2008106436A1 Composite suspension system for electro-acoustic transducers |
09/03/2008 | CN101257735A Moving armature receiver with reduced parasitic coupling |
09/03/2008 | CN101257734A A moving armature receiver |
09/03/2008 | CN100417304C Acoustic device |
08/28/2008 | US20080202845 Membrane with a High Resistance Against Buckling and/or Crinkling |
08/28/2008 | DE112005000074B4 Lautsprecher Speaker |
08/28/2008 | DE102008010298A1 Lautsprechermembran und Lautsprecher mit dieser Membran Speaker diaphragm and speaker with this membrane |
08/27/2008 | EP1960226A1 Display device, in particular a screen |
08/27/2008 | CN101253804A Speaker, image element protective screen, case of terminal, and terminal |
08/27/2008 | CN101253803A Voice output device and method, program, and room |
08/27/2008 | CN101252793A Speaker diaphragm and speaker including the same |
08/26/2008 | US7418109 Diaphragm structure of light sound converter |
08/26/2008 | US7418107 Loudspeaker |
08/26/2008 | US7416047 Diaphragm for a loudspeaker with a moving coil |
08/21/2008 | WO2008099447A1 Process for producing diaphragm for electro-acoustic transducer and diaphragm for electro-acoustic transducer |