| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 10/21/2009 | CN101562767A Speaker, voice coil unit, and method of manufacturing the voice coil unit |
| 10/21/2009 | CN101562766A Acoustic generator |
| 10/21/2009 | CN101562672A Detachable passive electromagnetic coupling talkback communication device capable of penetrating metal silo wall |
| 10/21/2009 | CN100553368C Electroacoustic converter and electronic device |
| 10/21/2009 | CN100553366C Full directional backload horn-type speaker |
| 10/20/2009 | US7606385 Unidirectional dynamic microphone |
| 10/20/2009 | US7606384 Spiral line array loudspeaker |
| 10/20/2009 | US7606383 Curved line array loudspeaker |
| 10/20/2009 | US7606379 Omni-directional speaker lamp |
| 10/20/2009 | CA2299151C A loudspeaker |
| 10/14/2009 | CN201328189Y Bass mobile phone loudspeaker |
| 10/14/2009 | CN201328188Y Bass mobile phone loudspeaker |
| 10/14/2009 | CN201328187Y Mobile phone loudspeaker |
| 10/14/2009 | CN201328186Y 手机扬声器 Speaker phone |
| 10/14/2009 | CN201328185Y Vibration speaker |
| 10/14/2009 | CN201328184Y Speaker and sound box |
| 10/14/2009 | CN201328183Y Loudspeaker |
| 10/14/2009 | CN101558660A Apparatus and methods for generating pressure waves |
| 10/13/2009 | US7602932 Microphone attachment device |
| 10/13/2009 | US7602931 Gasket for reducing electromagnetic interference in a boundary microphone |
| 10/08/2009 | WO2009122573A1 Speaker device |
| 10/08/2009 | WO2009122459A1 Electromagnetic conversion unit |
| 10/08/2009 | WO2009121098A1 Tissue injection fixation system for a prosthetic device |
| 10/08/2009 | WO2009121097A1 Mechanical fixation system for a prosthetic device |
| 10/08/2009 | DE10360272B4 Lautsprecher Speaker |
| 10/08/2009 | DE102008013612A1 Akustische Vorrichtung Acoustic device |
| 10/07/2009 | CN201323649Y Suction-disc flat speaker |
| 10/07/2009 | CN201323648Y Speaker |
| 10/07/2009 | CN101552940A Miniature sounder |
| 10/06/2009 | US7599511 Loudspeaker with undulated membrane |
| 10/06/2009 | US7599510 Multifunctional actuator and mobile terminal |
| 10/06/2009 | CA2368235C Systems and methods for passive pressure-compensation for acoustic transducers |
| 10/01/2009 | WO2009118892A1 Frame for speaker and speaker equipped with the same |
| 10/01/2009 | US20090245563 Porting |
| 10/01/2009 | DE102005020746B4 Magnetsystem Magnet system |
| 09/30/2009 | CN201319666Y Voice coil |
| 09/30/2009 | CN201319665Y Combined structure of voice coil and voice film |
| 09/30/2009 | CN101547393A Flat film loudspeaker |
| 09/30/2009 | CN100546408C Electroacoustic transducer with built in transducer circuit |
| 09/24/2009 | US20090238392 Dynamic microphone |
| 09/23/2009 | EP2103172A1 Face plate, vibration speaker having face plate, and portable terminal including the same |
| 09/23/2009 | EP1753261B1 Electroacoustic transducer and electronic device using the same |
| 09/23/2009 | CN201315665Y Improved moving-coil microphone sound head seat |
| 09/23/2009 | CN101543094A Speaker |
| 09/23/2009 | CN101540944A Sound wave conversion device and mobile communication device with sound wave conversion device |
| 09/23/2009 | CN101540940A Self-screened exciting pick-up integrated device used for audio detection |
| 09/22/2009 | US7593540 Electroacoustic transducer and magnetic circuit unit |
| 09/22/2009 | US7593539 Microphone and speaker arrangement in speakerphone |
| 09/22/2009 | US7593031 Integrated desktop videoconferencing system |
| 09/17/2009 | WO2009114053A1 Support arm with reversed elastic and inelastic ranges |
| 09/17/2009 | DE102008012856A1 Akustische Anregereinheit Acoustic excitation purity |
| 09/16/2009 | CN201312379Y Dual voice coil ribbon loudspeaker with controllable frequency response and selectable impedance |
| 09/16/2009 | CN201312378Y Thin trumpet heat radiator |
| 09/16/2009 | CN100542335C Minitype embeddable sound pickup array microphone and application thereof |
| 09/11/2009 | WO2009110705A2 Voice coil structure for a bone-conduction speaker, and a bone-conduction speaker |
| 09/11/2009 | WO2009109675A1 Improved self-cooling loudspeaker |
| 09/11/2009 | CA2716045A1 Improved self-cooling loudspeaker |
| 09/10/2009 | US20090226020 Dental bone conduction hearing appliance |
| 09/10/2009 | US20090226018 micro-transducer with improved perceived sound quality |
| 09/09/2009 | CN201307929Y Minitype acoustic generator |
| 09/09/2009 | CN201307928Y Mini-size electro-acoustic sound production device |
| 09/09/2009 | CN201307927Y Soft coating woofer speaker |
| 09/09/2009 | CN101527876A Low-distortion high-power receiver for digital communication |
| 09/08/2009 | US7587227 Directional wireless communication systems |
| 09/08/2009 | US7587060 Speaker device |
| 09/08/2009 | US7587059 Snap-in and lock baffle |
| 09/03/2009 | WO2009108208A1 Planar loudspeakers, or the like, and associated methods |
| 09/03/2009 | US20090220119 Speaker, and module, electronic apparatus, and device that use the speaker |
| 09/03/2009 | US20090217509 Speaker, module using the same, electronic equipment and device, and speaker producing method |
| 09/02/2009 | CN201303416Y Loudspeaker with sound conduction board |
| 09/02/2009 | CN201303415Y Moving-coil type micro speaker unit |
| 09/02/2009 | CN101521842A Speaker magnetic loop structure |
| 09/02/2009 | CN101521841A Panel loudspeaker |
| 09/01/2009 | US7583810 Fixing unit for microphone |
| 08/27/2009 | WO2009103247A1 Inner magnetic transducer with multiple magnectic gaps and multiple coils and preparation method thereof |
| 08/27/2009 | CA2759458A1 Inner magnetic transducer with multiple magnetic gaps and multiple coils and preparation method thereof |
| 08/26/2009 | EP0970758B1 Electric-mechanical-acoustic transducer and a method of manufacturing the same |
| 08/26/2009 | CN201298915Y Cophase and coaxial loudspeaker |
| 08/25/2009 | US7580533 Particulate flow detection microphone |
| 08/25/2009 | CA2433228C Concentric co-planar multiband electro-acoustic converter |
| 08/20/2009 | WO2009101813A1 Speaker, and electronic device |
| 08/19/2009 | CN201294627Y Thin small-sized horn |
| 08/19/2009 | CN201294626Y Miniature moving-coil type electro-acoustic converter |
| 08/19/2009 | CN201294625Y Novel low frequency loudspeaker |
| 08/19/2009 | CN101511049A Voice coil and speaker |
| 08/19/2009 | CN101511048A Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system |
| 08/19/2009 | CN100531449C Manufacturing device and method of loudspeaker integral display |
| 08/19/2009 | CN100530349C Method for manufacturing a dynamic speaker |
| 08/18/2009 | US7577270 Dome-shaped diaphragm and speaker |
| 08/18/2009 | US7577264 Audio recordation and reproduction spring clips |
| 08/18/2009 | US7576462 Electromagnetic exciter |
| 08/13/2009 | WO2009099639A2 Improved magnetic circuit for electrodynamic moving voice coil actuators |
| 08/13/2009 | WO2009098926A1 Speaker, magnet component, and manufacturing method thereof |
| 08/13/2009 | US20090202100 Voice coil and speaker |
| 08/13/2009 | US20090202095 Speaker device |
| 08/13/2009 | DE102008062371A1 Headphone i.e. in-ear headphone, has housing for accommodation of electroacoustic transducer, which comprises magnet system or driver system, where driver system is arranged in angle of less than specific degrees |
| 08/12/2009 | CN201290177Y Minitype electric energy phonation device |
| 08/12/2009 | CN201290176Y Basin stand structure of phonation device |
| 08/12/2009 | CN201290175Y Microtype phonating device |
| 08/12/2009 | CN201290174Y Shrapnel type loudspeaker |