Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) |
---|
07/20/2011 | EP2345259A2 Acoustic valve mechanisms |
07/20/2011 | CN201904916U Multi-diaphragm loudspeaker |
07/20/2011 | CN201904915U Double-surround loudspeaker |
07/20/2011 | CN201904914U Electroacoustic conversion device with snap-on circuit board structure |
07/20/2011 | CN201904913U Loudspeaker |
07/20/2011 | CN201904912U Runway type voice coil with frame |
07/20/2011 | CN201904911U Fitting structure of spring plates and plastic base of sounder |
07/20/2011 | CN201904903U Electromagnetic boosting loudspeaker with low frequency sound pressure compensation function |
07/20/2011 | CN201904886U Portable loudspeaker modeling body |
07/20/2011 | CN102132585A Speaker device |
07/20/2011 | CN102131138A Centering disk for loudspeaker |
07/20/2011 | CN101667490B Processing method of movable iron core for automobile horn |
07/20/2011 | CN101180916B Audio transducer component |
07/19/2011 | US7983432 Point excitation placement in an audio transducer |
07/19/2011 | US7983431 Bone conduction device and tympanum thereof |
07/14/2011 | WO2011083988A2 Multifunctional micro-speaker |
07/14/2011 | WO2011083987A2 Multifunctional micro-speaker |
07/14/2011 | WO2011083961A2 Multifunctional microspeaker |
07/14/2011 | WO2011083960A2 Multifunctional microspeaker |
07/14/2011 | WO2011083959A2 Multifunctional microspeaker |
07/14/2011 | WO2011083914A2 Rectangular multifunctional microspeaker |
07/14/2011 | WO2011031057A3 Vibrating earphone unit |
07/14/2011 | US20110170736 Speaker with dual magnetic circuits |
07/14/2011 | DE102010004312A1 Lautsprecher und System zur aktiven Geräuschunterdrückung Speaker and system for active noise cancellation |
07/13/2011 | EP2343911A1 Speaker, speaker manufacturing method and speaker manufacturing jig |
07/13/2011 | EP2343910A1 Speaker device |
07/13/2011 | EP1472903B1 Transducer motor/generator assembly |
07/13/2011 | CN201898609U Dual-corrugated-rim flat-panel loudspeaker |
07/13/2011 | CN201898608U Super thin flat-panel loudspeaker |
07/13/2011 | CN201898607U Loudspeaker diaphragm assembly with saw-toothed voice coil |
07/13/2011 | CN201898606U Membrane and earplug type loudspeaker adopting same |
07/13/2011 | CN201898605U Combination gaining connector for four microphone cartridges |
07/13/2011 | CN201898604U Metal elastic wave structure of loudspeaker |
07/13/2011 | CN201898598U 振动器 Vibrator |
07/13/2011 | CN1878429B Earphone apparatus integrated microphone |
07/13/2011 | CN1722913B Loudspeaker and mobile terminal equipment |
07/13/2011 | CN1703933B Hearing aid, training device, game device, and audio output device |
07/12/2011 | US7978872 Driver for a speaker |
07/12/2011 | US7978869 Wireless microphone |
07/07/2011 | WO2011080898A1 Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker |
07/07/2011 | US20110164782 Loudspeaker driver suspension |
07/07/2011 | US20110164781 Magnetic circuit for speaker device and speaker device |
07/07/2011 | US20110164764 Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device |
07/06/2011 | CN201893923U Car loudspeaker and paper cone thereof |
07/06/2011 | CN201893922U Electromagnetic loudspeaker |
07/06/2011 | CN201893921U Electromagnetic loudspeaker |
07/06/2011 | CN201893920U Electromagnetic loudspeaker |
07/06/2011 | CN201893919U Electromagnetic loudspeaker |
07/06/2011 | CN201893918U Electromagnetic loudspeaker |
07/06/2011 | CN201893917U Minitype acoustical generator |
07/06/2011 | CN201893916U Loudspeaker device |
07/06/2011 | CN201893915U Ultrathin loudspeaker |
07/06/2011 | CN201893914U Assembling structure of sounder reed |
07/06/2011 | CN201893913U Composite voice diaphragm set |
07/06/2011 | CN201893912U Magnetic circuit device with no pole pieces |
07/06/2011 | CN102119536A Inertial vibration exciter |
07/06/2011 | CN102118673A Loudspeaker |
07/06/2011 | CN102118672A Speaker vibrating diaphragm and speaker |
07/06/2011 | CN102118667A Unsealed earplug-type headset, and device and method for enhancing voice of receiving end |
07/05/2011 | US7974430 Microphone with dust-proof section |
07/05/2011 | US7974429 Wireless microphone |
07/05/2011 | US7974423 Loudspeaker system |
06/30/2011 | WO2011077770A1 Composite speaker |
06/30/2011 | WO2011077560A1 Speaker vibrator and speaker device |
06/30/2011 | WO2011077356A1 Suspension member for a vibration actuator |
06/30/2011 | DE102009060284A1 Loudspeaker arrangement for use in motor vehicle door, has circulating adhesive unit arranged between rear contour of loudspeaker basket and carrier element for fastening loudspeaker to carrier element and for sealing receiving opening |
06/29/2011 | CN201887942U Waterproof microphone |
06/29/2011 | CN201887941U Loudspeaker structure of mobile phone |
06/29/2011 | CN201887940U Loudspeaker |
06/29/2011 | CN201887939U Speaker |
06/29/2011 | CN201887938U Magnet structure of thin type horn |
06/29/2011 | CN201887937U Loudspeaker |
06/29/2011 | CN201887936U Series-parallel connection mixed superimposed magnetic circuit structure |
06/29/2011 | CN201883860U Shower door with loud-speaking function |
06/29/2011 | CN102113347A Speaker device |
06/29/2011 | CN102111701A Horn |
06/28/2011 | US7970162 Loudspeaker bobbin interconnection assembly |
06/28/2011 | US7970161 Acoustic transducer having reduced thickness |
06/28/2011 | US7970160 Speaker apparatus |
06/28/2011 | US7970158 Sound system |
06/28/2011 | US7970149 Audio speaker with partially spherical speaker housing and escutcheon |
06/23/2011 | WO2011073497A1 Drive unit mounting arrangement and loudspeaker |
06/23/2011 | US20110150265 Speaker |
06/23/2011 | US20110150261 Capacitive transducer and fabrication method |
06/23/2011 | US20110150246 Capacitor microphone |
06/22/2011 | EP2337037A2 Method of manufacturing a casted magnet |
06/22/2011 | DE102010052096A1 Electrodynamic loudspeaker, has central device with bars having windings lying in plane parallel to base, where end of each bar is connected with voice coil immersed in central opening and another end of each bar is connected with cage |
06/22/2011 | DE102009059130A1 Loudspeaker i.e. woofer, for use in vehicle, has loudspeaker cage comprising upper edge and base firmly connected with each other by casing surfaces, where openings are provided in casing surfaces in axial part of cage |
06/22/2011 | DE102006031433B4 Exciter für Flächenmembranlautsprecher Exciter for surface membrane speaker |
06/22/2011 | CN201878323U Internal-magnet full-range horn |
06/22/2011 | CN201878322U Full-frequency ultrathin high-power flat-panel speaker |
06/22/2011 | CN201878321U Improved loudspeaker structure |
06/22/2011 | CN201878320U Improved loudspeaker structure |
06/22/2011 | CN201878319U Movable ring type electro-acoustic converter |
06/22/2011 | CN201878318U Thin speaker |
06/22/2011 | CN1698399B Loudspeaker, manufacturing method thereof, and mobile telephone using the same |
06/22/2011 | CN102106158A Nested compound loudspeaker drive unit |
06/22/2011 | CN102104819A Inner magnet type full range loudspeaker |
06/22/2011 | CN102104818A Speaker voice coil tool |
06/22/2011 | CN101562672B Detachable passive electromagnetic coupling talkback communication device capable of penetrating metal silo wall |