| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 09/19/2001 | EP0988775B1 Vibration transducers for resonant panel-form loudspeaker and loudspeaker with the same |
| 09/19/2001 | CN2449442Y Coaxial low-frequency loudspeaker |
| 09/19/2001 | CN2449441Y Improved loudspeaker |
| 09/19/2001 | CN2449435Y Multi-section assembling type cone holder for loudspeaker |
| 09/19/2001 | CN1314067A Harmonic amplifier and corresponding electroacoustic transducer |
| 09/18/2001 | US6292079 Coil assembly of speaker |
| 09/13/2001 | WO2001067813A1 Electromagnetic vibrator |
| 09/13/2001 | WO2001067812A1 Single end planar magnetic speaker |
| 09/13/2001 | CA2401886A1 Single end planar magnetic speaker |
| 09/12/2001 | CN2448041Y Moving coil loudspeaker using large voice-coil |
| 09/12/2001 | CN2448040Y Double voice-coil long-stroke loudspeaker |
| 09/12/2001 | CN2448039Y Voice-coil exciter |
| 09/12/2001 | CN2448035Y Ultra-thin electromagnetic speaker |
| 09/12/2001 | CN1313020A Loudspeaker comprising resonant panel-form member |
| 09/11/2001 | US6289106 Cap and center pole apparatus and method of coupling |
| 09/11/2001 | US6289101 Telephone receiver having a hollow portion |
| 09/07/2001 | WO2001065889A2 Movable coil for loudspeakers and microphones |
| 09/04/2001 | US6285773 Linear loudspeaker |
| 09/04/2001 | US6285770 Noticeboards incorporating loudspeakers |
| 08/30/2001 | WO2001063965A2 Acoustic loudspeaker with energy absorbing bearing and voice coil, and selective sound dampening and dispersion |
| 08/30/2001 | US20010017930 Speaker and its production method of the same |
| 08/30/2001 | US20010017929 Cap and center pole apparatus and method of coupling |
| 08/30/2001 | US20010017928 Speaker |
| 08/30/2001 | US20010017924 Loudspeakers with panel-form acoustic radiating elements |
| 08/30/2001 | US20010017922 Speaker having a device capable of generating sound and vibration |
| 08/30/2001 | US20010017231 Speaker |
| 08/29/2001 | EP1128705A2 Speaker |
| 08/29/2001 | EP1127475A1 An electroacoustic communications unit |
| 08/29/2001 | CN2445539Y Vibrating structure of receiver |
| 08/29/2001 | CN2445538Y Improved structure of loudspeaker voice coil |
| 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 |
| 08/29/2001 | CN1310576A Loudspeaker |
| 08/29/2001 | CN1310457A Ring magnet and its loudspeaker |
| 08/22/2001 | EP1125473A1 Acoustic device according to bending wave principle |
| 08/22/2001 | CN2444372Y Wide frequency band coaxial loudspeaker |
| 08/22/2001 | CN2444371Y Low tone loudspeaker with paper tub |
| 08/22/2001 | CN2444370Y Voice coil exciter |
| 08/21/2001 | US6278787 Loudspeakers |
| 08/16/2001 | WO2001060114A2 Compound driver for acoustical applications |
| 08/16/2001 | EP1123633A1 Method for sound reproduction and pillar loudspeaker |
| 08/15/2001 | CN2443570Y 键盘传声器装置 Keyboard microphone device |
| 08/15/2001 | CN1308418A Vibrating loudspeaker |
| 08/14/2001 | US6275598 Sound reproduction device |
| 08/09/2001 | US20010012239 Electroacoustic transducer |
| 08/08/2001 | EP1122979A2 Electroacoustic transducer |
| 08/08/2001 | EP1121833A1 Resonant panel loudspeakers |
| 08/08/2001 | CN2442472Y Assembling device for voice coil excitor circular magnet |
| 08/08/2001 | CN1307791A Resonant panel-form loudspeaker |
| 08/02/2001 | WO2001056330A2 Electroacoustic transducer having a diaphragm with coil mounting projections and interposed stabilizing walls |
| 08/02/2001 | WO2001056329A2 Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
| 08/02/2001 | US20010010728 Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
| 08/02/2001 | US20010010725 Electroacoustic transducer having diaphragm with coil mounting projections and interposed stabilizing walls |
| 08/01/2001 | CN2441275Y Elastic supporting drive with zero moment |
| 08/01/2001 | CN1306383A Loudspeaker with moving coil array |
| 07/31/2001 | US6269168 Speaker apparatus |
| 07/31/2001 | US6269167 Loudspeaker spider, method of making it and loudspeaker incorporating it |
| 07/26/2001 | WO2001054450A2 Transducer in particularly for use in acoustic devices |
| 07/26/2001 | WO2000076270B1 High definition transducer |
| 07/26/2001 | CA2395022A1 New transducers limited |
| 07/24/2001 | US6266426 Visual display means incorporating loudspeakers |
| 07/24/2001 | CA2257584C Acoustic transducer system |
| 07/19/2001 | WO2001006523A3 Magnet assembly |
| 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 |
| 07/18/2001 | EP1116412A1 Pitch carbon composite components for loudspeakers |
| 07/18/2001 | EP0775433B1 Electromagnetic acoustic transducers |
| 07/18/2001 | CN2439759Y Loudspeaker with novel vibration device |
| 07/17/2001 | US6263084 Power amplifier and loudspeaker frame integration |
| 07/12/2001 | WO2000074436A3 Mounting of the coil in an electroacoustic transducer |
| 07/11/2001 | CN2439155Y Double-air gap driver |
| 07/11/2001 | CN2439154Y 中心支撑式驱动器 Centre-supported drive |
| 07/11/2001 | CN2439153Y External magnetical low-frequency large power driver |
| 07/11/2001 | CN1303577A Resonant panel-form acoustic devices |
| 07/10/2001 | US6259800 Speaker and speaker apparatus |
| 07/10/2001 | US6259799 Speaker system |
| 07/10/2001 | US6259798 Passive radiator cooled electronics/heat sink housing for a powered speaker |
| 07/05/2001 | WO2001049067A2 Loudspeaker having pole piece with vent bores |
| 07/05/2001 | WO2001049065A2 Air flow control device for loudspeaker |
| 07/05/2001 | US20010006725 Process and apparatus for producing conductive damper for speaker |
| 07/05/2001 | US20010006488 Electroacoustic transducer and method for manufacturing the same |
| 07/05/2001 | DE19960082A1 Loudspeaker comprises a plate membrane centered by a system consisting of at least one high-strength filament, and trough-like bordering element made of a very thin, soft and pliable plastic foil |
| 07/04/2001 | EP1113705A2 Diaphragm for speaker and speaker device provided with the same |
| 07/04/2001 | EP1112670A1 Harmonic amplifier and corresponding electroacoustic transducer |
| 07/04/2001 | CN2438284Y External magnet type whole voice frequency coaxial loudspeaker |
| 07/04/2001 | CN1302523A Speaker and speaker device |
| 07/04/2001 | CN1302171A Electro-acoustic transducer and its producing method |
| 06/28/2001 | WO2001047321A2 Regressively hinged spider |
| 06/28/2001 | US20010005419 Planar magnetic acoustic transducer diaphragms with passive areas for modal control |
| 06/28/2001 | US20010004954 Diaphragm for speaker and speaker device provided with the same |
| 06/28/2001 | DE10052151A1 Vibrational loudspeaker for portable communication device, e.g. portable telephone, has single-phase coil which generates vibration to move up vibrator component vertically by interaction with vibrator |
| 06/27/2001 | EP1111959A2 Electroacoustic transducer and method for manufacturing the same |
| 06/27/2001 | CN2437093Y Full frequency axial cophasal loudspeaker |
| 06/27/2001 | CN2437092Y Voice coil for electroacoustic sensor |
| 06/21/2001 | WO2000076270A3 High definition transducer |
| 06/20/2001 | EP1108345A1 Loudspeakers comprising a resonant panel-form member |
| 06/20/2001 | EP0738454B1 Apparatus comprising a baffle and a loudspeaker, and loudspeaker for use in the apparatus |
| 06/14/2001 | WO2001043493A1 Sound transducer containing dual voice coils |
| 06/14/2001 | WO2001042742A1 Integrated sound transmitter and receiver, and corresponding method for making same |
| 06/07/2001 | WO2001041496A2 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device |
| 06/07/2001 | WO2001041322A1 Integrated vibration and sound generating apparatus |
| 06/07/2001 | DE19956754A1 Lautsprecher und Fahrzeugbaugruppe Speakers and vehicle group |