Patents for H04R 1 - Details of transducers (42,173) |
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01/09/2008 | CN201004707Y Transmitter with remote control |
01/09/2008 | CN201004706Y Intelligent transmitter with MP3 |
01/09/2008 | CN201004705Y Loudspeaker |
01/09/2008 | CN201004324Y An ear hung MP3 |
01/09/2008 | CN201003745Y Lamp holder |
01/09/2008 | CN101102618A An earphone wearing method and system |
01/09/2008 | CN101102617A A jacket structure, earphone and earplug |
01/09/2008 | CN101102338A Mobile phone with earphone function |
01/09/2008 | CN100361425C Portable voice frequency listening equipment |
01/09/2008 | CN100361196C Electropneumatic horn |
01/08/2008 | US7317810 Magnetic circuit and speaker |
01/08/2008 | US7317808 Microphone |
01/08/2008 | US7317804 Sound collecting device minimizing electrical noise |
01/08/2008 | US7317374 Self-damped inductor |
01/08/2008 | US7316290 Acoustic lens system |
01/08/2008 | US7316289 Electro-acoustic transducer and method of manufacturing transducer |
01/08/2008 | CA2443580C Earmuff with earphone |
01/08/2008 | CA2372351C Microphone gasket with integrated acoustic resistance |
01/03/2008 | WO2008002694A2 Method and system for equal acoustics porting |
01/03/2008 | WO2008002266A1 Device in a headset |
01/03/2008 | WO2008002018A1 Speaker |
01/03/2008 | WO2008001659A1 Sound generating/collecting device |
01/03/2008 | WO2008001423A1 Portable telephone |
01/03/2008 | WO2008000304A1 Earphone system with usage detection |
01/03/2008 | US20080004872 Apparatus and Method for Sound Enhancement |
01/03/2008 | US20080002850 Speaker and manufacturing method |
01/03/2008 | US20080002145 Adaptor For Signal Communicative Members For Eyewear |
01/03/2008 | DE202005021432U1 Hörer Listener |
01/03/2008 | DE10154322B4 Kommunikationssystem für Fahrer/Mitfahrer Communication system for driver / passenger |
01/02/2008 | EP1874084A2 Hearing-aids with special power source |
01/02/2008 | EP1874083A1 A sound box integrated multi-channel |
01/02/2008 | EP1874081A2 Loudspeaker enclosure and loudspeaker system |
01/02/2008 | EP1874080A2 Earphones |
01/02/2008 | EP1874079A2 Earphone |
01/02/2008 | EP1874078A1 Sheathing-type earphone structure |
01/02/2008 | EP1872619A1 Wind noise rejection apparatus |
01/02/2008 | EP1872618A1 Acoustic loading device for loudspeakers |
01/02/2008 | CN201001190Y Wireless earphone with decorativeness |
01/02/2008 | CN201001189Y Notebook computer with expandable earphone |
01/02/2008 | CN201001188Y Earplug movable hook |
01/02/2008 | CN201001187Y Headband type earphone |
01/02/2008 | CN201001186Y Microphone |
01/02/2008 | CN201001185Y Sound potted plant |
01/02/2008 | CN201001184Y Sound box hanging connection device |
01/02/2008 | CN201001183Y Decorating frame sound box |
01/02/2008 | CN201001182Y Integrated curve wooden rear casing sound box |
01/02/2008 | CN201000926Y Multipath audio signal wire |
01/02/2008 | CN200997984Y Multifunctional bag |
01/02/2008 | CN101099409A Sound receiver |
01/02/2008 | CN101098568A Loudspeaker enclosure and loudspeaker system |
01/02/2008 | CN101098567A Earphone assembly having hanging function |
01/02/2008 | CN101098566A Gas¿Ccontrolled compact earphone |
01/02/2008 | CN101098565A Embedded rotatable sound box |
01/02/2008 | CN101098564A Speaker for portable unit |
01/02/2008 | CN101098353A Earphone device capable of communicating with mobile communication equipment |
01/02/2008 | CN101097459A Loudspeaker structure of portable computers |
01/02/2008 | CN101097458A Loudspeaker structure of portable computers |
01/02/2008 | CN100359991C Energy saving acoustic system with low cost, high electroacoustic conversion efficiency and constant playback sound pressure |
01/02/2008 | CN100359990C Magnetic system of electro-acoustical converter |
12/27/2007 | WO2007149303A2 Acoustic energy projection system |
12/27/2007 | WO2007148155A1 Speaker apparatus of a wireless communication device |
12/27/2007 | WO2007148151A1 Mobile radio terminal having speaker port selection and method |
12/27/2007 | WO2007147416A1 A hearing aid with an elongate member |
12/27/2007 | WO2007147289A1 A fixation structure of a sensor |
12/27/2007 | WO2007100706A3 Portable media delivery system |
12/27/2007 | WO2004058054A3 Transducer for sensing body sounds |
12/27/2007 | US20070297639 Multiple magnet loudspeaker |
12/27/2007 | US20070297638 Boundary layer regulator for extended range acoustical transducers |
12/27/2007 | US20070297637 Loudspeaker System, Mobile Terminal Device, an Electronic Device |
12/27/2007 | US20070297635 Speaker device |
12/27/2007 | US20070297634 Earphone system with usage detection |
12/27/2007 | US20070297633 Headphone set |
12/27/2007 | US20070297629 Method and system for equal acoustics porting |
12/27/2007 | US20070297621 Robot Having a Head with Artificial Ears |
12/27/2007 | US20070297617 Neighbor friendly headset: featuring technology to reduce sound produced by people speaking in their phones |
12/27/2007 | DE202007007006U1 Universal Hör-/Sprechgarnitur/Universalheadset für Flugfunk, Profifunk, Amateurfunk, Jedermannfunk und Audiogeräte Universal headphone / headset / Universal Headset for aeronautical radio, professional radio, amateur radio, citizens' band radio and audio equipment |
12/27/2007 | DE202006013124U1 Mikrophon mit Zusatzfunktionen Microphone with additional functions |
12/27/2007 | DE102006036991A1 Ohrhörer mit einem Schallleitungsrohr Earphones with a sound pipe |
12/27/2007 | CA2655311A1 Portable consumer device verification system |
12/26/2007 | EP1871143A1 Array speaker apparatus |
12/26/2007 | EP1869947A1 Method and apparatus for communicating sound over an optical link |
12/26/2007 | EP1869945A2 Compact portable media reproduction system |
12/26/2007 | EP1869944A1 Stand system with integrated electrical plug for portable electronic devices |
12/26/2007 | CN200997683Y Active loundspeaker box with automatic-switching function |
12/26/2007 | CN200997679Y Acoustically-transparent dome |
12/26/2007 | CN200997678Y Loundspeaker acoustic cavity structure of point reader |
12/26/2007 | CN200997677Y Waterproof earphone |
12/26/2007 | CN200997676Y Ear microphone |
12/26/2007 | CN200997675Y Closed hollow-pipe in-circuit earphone |
12/26/2007 | CN200997674Y Wireless microphone receiver |
12/26/2007 | CN200997673Y Metal hose for earphone and microphone |
12/26/2007 | CN200997672Y Intelligent microphne with memory rebroadcasting function |
12/26/2007 | CN200997671Y Stand with telescopic loundspeaker |
12/26/2007 | CN200997670Y Foldable loundspeaker box |
12/26/2007 | CN200994744Y Lifter of loundspeaker of bath |
12/26/2007 | CN101095369A Wrist watch with earphone function |
12/26/2007 | CN101094538A Device of improving external playback effect, its external means and playback terminal |
12/26/2007 | CN101094537A Panel speaker |
12/26/2007 | CN101094536A Earphone of having only sound guiding tube of outer chamber |
12/26/2007 | CN101094535A Terminal device of loudspeaker |