| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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| 08/29/2001 | CN1310929A Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts |
| 08/28/2001 | US6282298 Acoustic device |
| 08/23/2001 | WO2001062039A2 A method for obtaining a desired level of diffusivity of acoustic output from an acoustic device |
| 08/22/2001 | EP1125473A1 Acoustic device according to bending wave principle |
| 08/22/2001 | EP1125472A1 Loudspeakers comprising a phase uncorrelated diffuse sound source |
| 08/22/2001 | CN1070017C Image display incorporating loudspeakers |
| 08/21/2001 | US6278790 Electroacoustic transducers comprising vibrating panels |
| 08/21/2001 | US6278787 Loudspeakers |
| 08/16/2001 | WO2001010168A3 Loudspeaker |
| 08/16/2001 | EP1123634A1 Parametric loudspeaker with electro-acoustical diaphragm transducer |
| 08/16/2001 | EP1123633A1 Method for sound reproduction and pillar loudspeaker |
| 08/16/2001 | DE10018032C1 Akustischer Wandler für Kopfhörer An acoustic transducer for headphones |
| 08/15/2001 | CN2443569Y Drum paper with composite layer rim |
| 08/15/2001 | CN1308830A Loudspeaker drive unit having a resonant panel-form member |
| 08/15/2001 | CN1308829A Acoustic device using bending wave modes |
| 08/14/2001 | US6275598 Sound reproduction device |
| 08/09/2001 | US20010012239 Electroacoustic transducer |
| 08/09/2001 | US20010011615 Speaker |
| 08/08/2001 | EP1122979A2 Electroacoustic transducer |
| 08/08/2001 | EP1122974A1 Illuminating assembly with built-in panel speaker |
| 08/08/2001 | EP1121833A1 Resonant panel loudspeakers |
| 08/08/2001 | CN1307791A Resonant panel-form loudspeaker |
| 08/08/2001 | CN1307437A Composite loudspeaker diaphragm and its manufacture |
| 08/02/2001 | WO2001056330A2 Electroacoustic transducer having a diaphragm with coil mounting projections and interposed stabilizing walls |
| 08/02/2001 | US20010010725 Electroacoustic transducer having diaphragm with coil mounting projections and interposed stabilizing walls |
| 08/02/2001 | DE10001408A1 Plattenlautsprecher Panel loudspeaker |
| 08/01/2001 | EP1120994A2 Flat loudspeaker arrangement |
| 08/01/2001 | EP1120007A1 Loudspeakers |
| 08/01/2001 | CN1306732A Loudspeakers |
| 07/26/2001 | WO2001054455A1 Planar loudspeaker |
| 07/26/2001 | WO2001054454A2 Display apparatus with flat panel loudspeaker |
| 07/26/2001 | WO2001054450A2 Transducer in particularly for use in acoustic devices |
| 07/26/2001 | US20010009587 Electroacoustic miniature transducer |
| 07/26/2001 | DE10001410A1 Flat loudspeaker arrangement for e.g. wall of building, comprises multiple loudspeakers which are arranged seamlessly and work on multi-resonance flexible shaft principle |
| 07/26/2001 | CA2395022A1 New transducers limited |
| 07/25/2001 | EP1119219A2 Electroacoustic miniature transducer |
| 07/25/2001 | CN1305332A Elliplical vault of high frequency transducer |
| 07/24/2001 | US6266427 Damped structural panel and method of making same |
| 07/24/2001 | US6266426 Visual display means incorporating loudspeakers |
| 07/24/2001 | CA2257584C Acoustic transducer system |
| 07/19/2001 | WO2001052400A1 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 07/19/2001 | WO2001006523A3 Magnet assembly |
| 07/19/2001 | DE19943874A1 Sound system for motor vehicle based on flexural wave vibrator uses functional element provided for another purpose as acoustic vibration surface so acoustic surface cannot be touched |
| 07/18/2001 | EP1116413A2 Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts |
| 07/12/2001 | WO2000078090A3 Bending wave acoustic device |
| 07/11/2001 | CN1303577A Resonant panel-form acoustic devices |
| 07/10/2001 | US6259800 Speaker and speaker apparatus |
| 07/05/2001 | WO2001048684A2 Contact sensitive device |
| 07/05/2001 | US20010006131 Composite panel constructions |
| 07/04/2001 | EP1113705A2 Diaphragm for speaker and speaker device provided with the same |
| 07/04/2001 | EP1113704A2 Diaphragm for a speaker unit |
| 07/04/2001 | EP1112669A1 Resonating diaphragms with different frequencies |
| 07/04/2001 | CN1302522A Loundspeaker diaphragm |
| 06/28/2001 | WO2001047321A2 Regressively hinged spider |
| 06/28/2001 | WO2001047320A1 Loudspeakers |
| 06/28/2001 | WO2000079833A3 Distributed mode acoustic device |
| 06/28/2001 | US20010005421 Loudspeakers |
| 06/28/2001 | US20010005419 Planar magnetic acoustic transducer diaphragms with passive areas for modal control |
| 06/28/2001 | US20010005417 Acoustic devices |
| 06/28/2001 | US20010004954 Diaphragm for speaker and speaker device provided with the same |
| 06/27/2001 | EP1110426A1 Panel form acoustic apparatus using bending waves modes |
| 06/27/2001 | CN1067835C Manufacture of non-paper pulp base loudspeaker sonic bowl |
| 06/21/2001 | WO2001045462A1 Method for making a surface mechanical wave absorbing material and resulting electro-acoustic transducer |
| 06/21/2001 | WO2001045461A1 Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker |
| 06/21/2001 | WO2001045460A2 Structural materials used in the faceskins of sandwich panels |
| 06/21/2001 | WO2001045458A2 Acoustic devices |
| 06/21/2001 | DE19955867A1 Flachlautsprecheranordnung für Tieftonwiedergabe Flat speaker arrangement for bass reproduction |
| 06/20/2001 | EP1108345A1 Loudspeakers comprising a resonant panel-form member |
| 06/19/2001 | US6248400 Vapor phase diamond synthesis method |
| 06/19/2001 | US6247551 Panel-form loudspeaker |
| 06/14/2001 | WO2001042742A1 Integrated sound transmitter and receiver, and corresponding method for making same |
| 06/13/2001 | EP1107641A2 Audio transducers |
| 06/13/2001 | CN1299576A Panel-form loudspeaker |
| 06/07/2001 | WO2001041501A1 Diaphragm of piezoelectric sound generator, and method of manufacture thereof |
| 06/07/2001 | WO2001041498A2 Bending wave loudspeakers |
| 06/07/2001 | WO2001041496A2 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device |
| 06/07/2001 | US20010002865 Audio transducers |
| 06/06/2001 | CN1298621A Method and apparatus for locating bending wave transducer means |
| 06/05/2001 | US6243473 Laptop computer with loudspeaker(s) |
| 05/31/2001 | WO2001039544A1 Electromechanic film and acoustic element |
| 05/31/2001 | WO2001039541A2 Flat loudspeaker system for bass reproduction |
| 05/25/2001 | WO2001037607A2 Offset apex spider |
| 05/25/2001 | WO2000078091A3 Stiffened membrane assemblies |
| 05/23/2001 | EP1101388A1 Louspeaker drive unit having a resonant panel-form member |
| 05/23/2001 | EP1101387A1 Acoustic device using bending wave modes |
| 05/23/2001 | DE19953116A1 Two-component adhesive, especially for fixing centering membranes in loudspeakers, comprises a component containing an acrylate mixture and a component with an elastomer mixture |
| 05/23/2001 | DE10057087A1 Acoustic oscillatory plate producing method e.g. for use in loudspeaker involves heat processing titanium oscillatory plate during ceramic formation to change titanium oscillatory plate into titanium oxide |
| 05/23/2001 | DE10045221A1 Miniaturisierter, elektroakustischer Wandler Miniaturized electro-acoustic transducer |
| 05/23/2001 | CN1296721A Speaker edge |
| 05/23/2001 | CN1296720A Acoustic device relying on bending wave action |
| 05/23/2001 | CN1296719A Acoustic device |
| 05/22/2001 | US6236733 Loudspeaker |
| 05/17/2001 | WO2001035698A1 Flat speaker |
| 05/17/2001 | WO2001035696A2 Digital loudspeaker |
| 05/16/2001 | EP1100288A2 Acoustic radiator |
| 05/16/2001 | EP1100287A1 Loudspeaker |
| 05/16/2001 | CN2430824Y Full cover type metal cond loudspeaker connection structure |
| 05/10/2001 | WO2001033906A1 Acoustic element |
| 05/10/2001 | WO2001005189A3 Bending wave panel speaker and method of driving such a speaker |
| 05/10/2001 | CA2390020A1 Acoustic element |