| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 02/16/2011 | EP2285135A1 Microphone-speaker device comprising a low pass filter |
| 02/16/2011 | EP2285134A1 Headset |
| 02/16/2011 | EP2283659A1 Earphone system and use of an earphone system |
| 02/16/2011 | EP2208361B1 Microphone arrangement, having two pressure gradient transducers |
| 02/16/2011 | EP2208358B1 Microphone arrangement |
| 02/16/2011 | EP1731643B1 Woven or knitted fabric, diaphragm for speaker, and speaker |
| 02/16/2011 | CN201750550U Surface-undersurface combined semi-floating loudspeaking device |
| 02/16/2011 | CN201750534U Streamline pouring type solid linear array |
| 02/16/2011 | CN201750533U Telescopic portable speaker |
| 02/16/2011 | CN201750532U Novel earphones |
| 02/16/2011 | CN201750531U Earmuff of earphone |
| 02/16/2011 | CN201750530U Earphone with dual-purpose plugs |
| 02/16/2011 | CN201750529U Dually-merged earphone wire with conductors vertically arranged in parallel |
| 02/16/2011 | CN201750528U Audio processing device |
| 02/16/2011 | CN201750527U Built-in pull-cord earphone device of handheld mobile device |
| 02/16/2011 | CN201750526U Self power generation microphone |
| 02/16/2011 | CN201750525U FSK numerically-controlled dual-frequency wireless microphone system |
| 02/16/2011 | CN201750524U Fixed frame equipped with stringency positioning column and telescoping positioning rod equipped with stringency positioning column |
| 02/16/2011 | CN201750523U Novel rotary sound box with LED color lights |
| 02/16/2011 | CN201750522U Loudspeaker system |
| 02/16/2011 | CN201750521U Gaining and noise-removing sound source line |
| 02/16/2011 | CN201750452U Mobile communication terminal |
| 02/16/2011 | CN201750030U Double-hole earphone socket |
| 02/16/2011 | CN201749691U Waterproof mp3 player |
| 02/16/2011 | CN201743015U Musical shoe |
| 02/16/2011 | CN1946244B Passive speaker vibration board |
| 02/16/2011 | CN1879446B Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 02/16/2011 | CN1846456B Communication system for wireless microphone |
| 02/16/2011 | CN101978704A Bone conduction speaker and hearing device using the same |
| 02/16/2011 | CN101978419A Hearing protector |
| 02/16/2011 | CN101977341A Electro-dynamic loudspeaker, assembling method thereof, and method for forming conductor or electrical contact |
| 02/16/2011 | CN101977340A Electro-dynamic planar loudspeaker |
| 02/16/2011 | CN101977338A Novel earphone accommodating device |
| 02/16/2011 | CN101977337A Stethoscope type headphone |
| 02/16/2011 | CN101976565A Dual-microphone-based speech enhancement device and method |
| 02/16/2011 | CN101975354A Table lamp with microphone |
| 02/16/2011 | CN101052237B Integrated built-in speaker with conduit |
| 02/15/2011 | US7889878 Speaker array apparatus and method for setting audio beams of speaker array apparatus |
| 02/15/2011 | US7889876 Loudspeaker driver assemblies |
| 02/15/2011 | US7889873 Microphone aperture |
| 02/15/2011 | US7886869 Acoustic waveguide mode controlling |
| 02/15/2011 | US7886867 Flexible multiple speaker support apparatus |
| 02/10/2011 | WO2011015674A1 Hearing device with a microphone |
| 02/10/2011 | WO2011015236A1 An apparatus |
| 02/10/2011 | US20110034217 Device for mounting communication headset to sports helmets and the like |
| 02/10/2011 | US20110033079 Flat loudspeaker structure |
| 02/10/2011 | US20110033076 Loudspeaker |
| 02/10/2011 | US20110033074 Transparent speaker and display module integrating the same |
| 02/10/2011 | US20110033066 Circular speaker |
| 02/09/2011 | EP2282554A1 Voice input device and manufacturing method thereof, and information processing system |
| 02/09/2011 | EP2282553A2 Bass sound amplifying enclosure, woofer including the same, and electronic device including the woofer |
| 02/09/2011 | EP2281398A1 Acoustic-electric transducer with adjustable air gap, electronic device, method and computer program product |
| 02/09/2011 | CN201742549U Super-power sound conduction device for business windows |
| 02/09/2011 | CN201742542U Sounder diaphragm |
| 02/09/2011 | CN201742538U Ceiling sound box |
| 02/09/2011 | CN201742537U Natural stone anti-crazing earphone |
| 02/09/2011 | CN201742536U Protective sleeve with external sound amplifying component |
| 02/09/2011 | CN201742535U Dual purpose sound box |
| 02/09/2011 | CN201742534U Protective sleeve provided with built-in type voice amplifying channel |
| 02/09/2011 | CN201742533U Wire clamp |
| 02/09/2011 | CN201742532U Earphone |
| 02/09/2011 | CN201742531U Music earmuff |
| 02/09/2011 | CN201742530U Solar earphone for playing music and swimming distance counts when in swimming |
| 02/09/2011 | CN201742529U Expansion earphone |
| 02/09/2011 | CN201742528U Flexible earphone wire |
| 02/09/2011 | CN201742527U Earphone winding machine |
| 02/09/2011 | CN201742526U Multifunctional mike |
| 02/09/2011 | CN201742525U Sound box series connection structure |
| 02/09/2011 | CN201742524U Embedded soundbar sound box system |
| 02/09/2011 | CN201742523U Passive basin device of sound box loudspeaker |
| 02/09/2011 | CN201742522U Sound box |
| 02/09/2011 | CN201742521U Automobile radio |
| 02/09/2011 | CN201742520U Silencing trumpet capable of being used for abreacting |
| 02/09/2011 | CN201742519U Fixed wall-mounted multifunctional digital audio speaker |
| 02/09/2011 | CN201742518U Minitype portable simulating water-flow sounder |
| 02/09/2011 | CN201742517U Large-power high-fidelity flower-bed sound box |
| 02/09/2011 | CN201742516U Novel USB sound box |
| 02/09/2011 | CN201742515U Wireless illumination sound box system and wireless illumination sound box thereof |
| 02/09/2011 | CN201742448U Mobile phone with embedded type Bluetooth earphone |
| 02/09/2011 | CN201741340U Multifunctional display screen |
| 02/09/2011 | CN201737080U Improved structure of motorcycle sound |
| 02/09/2011 | CN201733876U Earphone cap-connected clothing and cap body improvement structure |
| 02/09/2011 | CN1585565B Loudspeaker |
| 02/09/2011 | CN101969594A Acoustic passive radiator with rocking-mode reduction |
| 02/09/2011 | CN101969591A Reading headset |
| 02/09/2011 | CN101969590A Pronunciation earphone |
| 02/09/2011 | CN101969589A Listening & reading machine |
| 02/09/2011 | CN101969588A Wound wireless earphone device |
| 02/09/2011 | CN101969587A Telescopic microphone device |
| 02/09/2011 | CN101969586A Interesting music rod |
| 02/09/2011 | CN101969585A Sound source circuit board |
| 02/08/2011 | US7885419 Headset terminal with speech functionality |
| 02/08/2011 | US7885418 Acoustic actuator and passive attenuator incorporating a lightweight acoustic diaphragm with an ultra low resonant frequency coupled with a shallow enclosure of small volume |
| 02/03/2011 | WO2011013790A1 Diaphragm, spherical shell diaphragm, and electroacoustic transducer |
| 02/03/2011 | WO2011013462A1 Electroacoustic transducer having vibration function |
| 02/03/2011 | WO2011013224A1 Speaker device |
| 02/03/2011 | WO2011013223A1 Speaker device |
| 02/03/2011 | WO2011012002A1 Behind-the-head and integrative waterproof mp3 player |
| 02/03/2011 | WO2010132501A3 Headphones with reduced tangling and methods |
| 02/03/2011 | WO2010075128A3 Hearing protection process and device |