| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
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| 08/12/2009 | CN201290173Y Multifunctional sound generator |
| 08/12/2009 | CN101505444A Loudspeaker/receiver |
| 08/06/2009 | WO2009096242A1 Magnetic circuit and acoustic equipment |
| 08/06/2009 | WO2009095984A1 Speaker device |
| 08/06/2009 | US20090196441 Mp3 loudspeaker system |
| 08/05/2009 | CN201286166Y Loudspeaker for flat board sound box |
| 08/05/2009 | CN201286165Y Loudspeaker |
| 08/05/2009 | CN100525511C Electroacoustic transducer |
| 08/04/2009 | US7570780 Loudspeaker having a composite diaphragm structure |
| 08/04/2009 | US7570779 Speaker |
| 08/04/2009 | US7570778 Angled speaker assembly |
| 08/04/2009 | US7570776 Speaker device and method of manufacturing the speaker device |
| 08/04/2009 | US7570774 Speaker having improved sound-radiating function to both directions |
| 08/04/2009 | US7568552 Acoustic passive radiator rocking mode reducing |
| 07/30/2009 | WO2009093777A1 Flate speaker |
| 07/30/2009 | WO2009092232A1 Electromagnetic vibration device and making method thereof |
| 07/30/2009 | WO2008148048A3 Advanced speech encoding dual microphone configuration (dmc) |
| 07/30/2009 | US20090190794 Acoustic transducer |
| 07/30/2009 | US20090190793 Speaker device |
| 07/30/2009 | US20090190791 Acoustic transducer comprising a plurality of coaxially arranged diaphragms |
| 07/30/2009 | US20090190787 Speaker |
| 07/30/2009 | US20090189973 Integrated desktop videoconferencing system |
| 07/29/2009 | EP1324632B1 Speaker |
| 07/29/2009 | CN201282552Y Minitype movable coil phonating device |
| 07/29/2009 | CN201282551Y Microtype phonating device |
| 07/29/2009 | CN201282550Y Microtype phonating device |
| 07/29/2009 | CN101496419A Multi-function micro speaker |
| 07/29/2009 | CN101494813A Magnetic circuit structure for loudspeaker |
| 07/23/2009 | WO2009073578A3 Loudspeaker-transducer array |
| 07/23/2009 | WO2008093238A8 Loudspeaker with ventilation shafts for air gap cooling |
| 07/22/2009 | CN201278583Y Resonance sounding body |
| 07/22/2009 | CN101489169A Speaker unit |
| 07/21/2009 | USRE40860 Electrostatic audio loudspeakers |
| 07/16/2009 | WO2009088002A1 Vibration plate, speaker, acoustic system and method of manufacturing vibration plate |
| 07/16/2009 | WO2009086838A1 A magnet assembly for a loudspeaker |
| 07/15/2009 | CN101483799A Electric-machinical vibration converter for somatosensory sound apparatus |
| 07/15/2009 | CN101483798A Loudspeaker |
| 07/15/2009 | CN100514031C Photoacoustic gas sensor |
| 07/14/2009 | US7561705 Reduction of flux leakage in a dynamic microphone |
| 07/14/2009 | US7561684 Mounting structure for an electroacoustic transducer |
| 07/09/2009 | US20090175486 Speaker |
| 07/09/2009 | US20090175478 Flesh conducted sound microphone, signal processing device, communication interface system and sound sampling method |
| 07/09/2009 | DE102007062874A1 Flat loudspeaker for use in field of acoustics, has plate, and voice coil that is mounted on plate for exciting plate to produce flexural vibrations, where plate has hole in inner side and hole is evacuated or filled with gas |
| 07/08/2009 | EP1751854A4 Audio amplifier and speaker incorporating audio amplifier |
| 07/08/2009 | CN201270583Y Ultra-thin large power alarm horn |
| 07/08/2009 | CN101478708A A loudspeaker box |
| 07/07/2009 | US7558399 Vibrating plate of dynamic microphone and method of manufacturing the same |
| 07/07/2009 | US7558395 Loudspeaker |
| 07/07/2009 | US7557474 Electromagnetic exciter |
| 07/02/2009 | US20090169048 Electro-acoustic transducer and electronic apparatus using it |
| 07/02/2009 | US20090169042 Electronic anti-sabotage microphone grommet |
| 07/02/2009 | DE102007063344A1 Audio output stage for electrostatic flat surface loudspeaker in motor vehicle, has matching circuit including transformer and arranged between audio output stage for electrodynamic loudspeaker and electrostatic flat surface loudspeaker |
| 07/02/2009 | DE102007062424A1 Magnetic drive device for sound transducer i.e. air motion transformer, of loudspeaker arrangement, has pole plate structure with set of sound passage openings, and magnet elements arranged outside of plane defined by air gap |
| 07/01/2009 | CN201267012Y HI-FI plate loudspeaker |
| 07/01/2009 | CN201267011Y Plate loudspeaker |
| 07/01/2009 | CN201267010Y Excitation type radial magnetic circuit loudspeaker |
| 07/01/2009 | CN101472211A Voice coil assembly, loudspeaker using the same, and method for producing the same |
| 07/01/2009 | CN101472210A Electromagnetic drive resonance phonation device |
| 06/25/2009 | US20090161902 Loudspeakers, systems and components thereof |
| 06/25/2009 | US20090161900 Microphone assembly for minimizing acoustic feedback from a loudspeaker |
| 06/24/2009 | CN201263213Y Thin type loudspeaker with double magnetic circuit structure |
| 06/24/2009 | CN201263212Y Magnetic levitation oscillation loudspeaker module |
| 06/24/2009 | CN201263211Y Horn structure |
| 06/24/2009 | CN101466058A Thin type horn |
| 06/23/2009 | US7551746 Drive unit for electro-acoustic converter with radially magnetized permanent magnetic bars |
| 06/18/2009 | US20090154729 Filter Circuit for an Electret Microphone |
| 06/18/2009 | DE102007059724A1 Vorrichtung zur Wiedergabe von Schall bei hohen Temperaturen An apparatus for reproducing sound at high temperatures |
| 06/18/2009 | DE10153358B4 Elektroakustischer Wandler Electro-acoustic transducer |
| 06/17/2009 | EP2071870A2 Device for reflecting noise at high temperatures |
| 06/17/2009 | CN201260240Y Loudspeaker with moving coil |
| 06/17/2009 | CN201260239Y Vibration contact acoustics |
| 06/16/2009 | US7548632 Speaker, module using the same, electronic equipment and device, and speaker producing method |
| 06/16/2009 | US7548630 Integrated loudspeaker system |
| 06/16/2009 | US7548628 Microphone coupler for a communication device |
| 06/16/2009 | US7548627 Speaker, and module, electronic apparatus, and device that use the speaker |
| 06/11/2009 | WO2009073578A2 Loudspeaker-transducer array |
| 06/11/2009 | WO2009072275A1 Speaker |
| 06/11/2009 | WO2009047455A3 Magnetic structure for the iron-free motor of electrodynamic loudspeaker, motors and loudspeakers |
| 06/10/2009 | CN201256447Y Plate loudspeaker |
| 06/10/2009 | CN101453681A Electro-acoustic conversion device and diaphragm thereof |
| 06/10/2009 | CN100499877C Chip having high sensitivity for silicon micro-capacitor microphone and preparation method thereof |
| 06/04/2009 | WO2009068326A1 A vibration speaker and a portable electronic device comprising the vibration speaker |
| 06/04/2009 | WO2009036124A3 Pcb with embedded speaker assembly |
| 06/04/2009 | WO2001063965A3 Acoustic loudspeaker with energy absorbing bearing and voice coil, and selective sound dampening and dispersion |
| 06/04/2009 | US20090141926 Optimized Moving-Coil Loudspeaker |
| 06/03/2009 | EP1266540B1 Electromagnetic vibrator |
| 06/03/2009 | EP0985327B1 Flush mounted uni-directional microphone |
| 06/03/2009 | CN101448190A Ribbon microphone and ribbon microphone unit |
| 06/03/2009 | CN101448189A Miniature moving-coil type electroacoustic transducer and method for fabricating vibration system thereof |
| 06/03/2009 | CN101448188A Novel shock-wave converter |
| 06/02/2009 | US7542583 Loudspeaker |
| 05/28/2009 | WO2009066415A1 Speaker, video device, and mobile information processing device |
| 05/28/2009 | US20090136075 Vibration speaker and a portable electronic device comprising the vibration speaker |
| 05/27/2009 | EP1825399A4 Promotional portable music players |
| 05/27/2009 | CN201248130Y Loudspeaker |
| 05/27/2009 | CN201248129Y Ultra-thin micro loudspeaker |
| 05/27/2009 | CN201248128Y Microtype phonating device |
| 05/27/2009 | CN201243815Y Music chair with bass tactile sensor |
| 05/27/2009 | CN101444109A Loudspeaker with reduced rocking tendency |
| 05/27/2009 | CN100493234C Loudspeaker |