| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 03/05/2009 | US20090060238 Earphone structure with a composite sound field |
| 03/05/2009 | US20090060231 Bone Conduction Headphones |
| 03/05/2009 | US20090060230 Electromechanical transducer and a production method |
| 03/05/2009 | US20090060224 Sound processing apparatus, method for correcting phase difference, and computer readable storage medium |
| 03/05/2009 | US20090060169 Communication privacy mask |
| 03/05/2009 | US20090058606 Tracking system using radio frequency identification technology |
| 03/05/2009 | DE202008016795U1 Kopfhörer Headphone |
| 03/05/2009 | DE102007042384A1 Molded part e.g. molded headliner, manufacturing method for motor vehicle, involves inserting electrostatic flat surface loudspeaker into recess, and deeply injecting blank with inserted loudspeaker by knitwear |
| 03/05/2009 | DE102007041702A1 Loudspeaker module for use on door of e.g. car, has connecting cable fixedly integrated below covering body, and electrically operated lighting elements connected with connecting cable by plug-in connectors |
| 03/05/2009 | DE102007041560A1 Loud speaker for e.g. plasma monitor, in restaurant, has stereo channels remaining in base width, and adjustably processed, so that normal phase stereo signals are not added and/or summed |
| 03/04/2009 | EP2030475A2 Loudspeaker gasketing |
| 03/04/2009 | EP1410683A4 Speaker port system for reducing boundary layer separation |
| 03/04/2009 | EP1313418B1 Ear terminal with microphone in meatus, with filtering giving transmitted signals the characteristics of spoken sound |
| 03/04/2009 | CN201204685Y Ear microphone capable of adjusting arc degree |
| 03/04/2009 | CN201204684Y Earphone without winding earplug conductor |
| 03/04/2009 | CN201204683Y Earphone earplug head without horns |
| 03/04/2009 | CN201204682Y Earphone head device |
| 03/04/2009 | CN201204681Y Microphone base plate |
| 03/04/2009 | CN201204680Y Foam-proof decorative cover for microphone |
| 03/04/2009 | CN201204679Y Dustproof microphone |
| 03/04/2009 | CN201204678Y Ear-hanging type microphone |
| 03/04/2009 | CN201204677Y Tuning-conveniently microphone |
| 03/04/2009 | CN201204676Y Microphone mouthpiece base |
| 03/04/2009 | CN201204675Y FPC connection type electro-acoustic transducer |
| 03/04/2009 | CN201204638Y System and single-pin plug |
| 03/04/2009 | CN201204622Y General type telephone earphone |
| 03/04/2009 | CN201204585Y Neck suspension type communication device |
| 03/04/2009 | CN201204060Y MP3 with microphone |
| 03/04/2009 | CN101379870A Voice conference device |
| 03/04/2009 | CN101379869A Shield case and mems microphone having the same |
| 03/04/2009 | CN101378607A Sound processing apparatus, and method and program for correcting phase difference |
| 03/04/2009 | CN101378600A Wire-restoring device for earphone line, earphone assembly, non-radiation wired mobile phone and electronic device |
| 03/04/2009 | CN101378599A Microphone holder and microphone device using same |
| 03/04/2009 | CN101378598A Carry-free built-in earphone type horn device for notebook-type computer |
| 03/04/2009 | CN101377961A Rack for fixing handhold electronic device for automobile |
| 03/03/2009 | US7499735 Mobile station with sound speaker |
| 03/03/2009 | US7499686 Method and apparatus for multi-sensory speech enhancement on a mobile device |
| 03/03/2009 | US7499562 Virtual multi-channel speaker unit |
| 03/03/2009 | US7499555 Personal communication method and apparatus with acoustic stray field cancellation |
| 03/03/2009 | US7499554 Electronic devices, methods, and computer program products for detecting noise in a signal based on autocorrelation coefficient gradients |
| 02/28/2009 | CA2601345A1 Solar operated battery headset |
| 02/26/2009 | WO2009026590A1 Television with integrated surround sound |
| 02/26/2009 | WO2009025090A1 Directivity microphone device |
| 02/26/2009 | WO2009025050A1 Flat panel display |
| 02/26/2009 | WO2009025035A1 Mounting structure for speaker and flat panel display |
| 02/26/2009 | WO2009024749A1 Audio reproduction apparatus comprising portable docking station and base unit |
| 02/26/2009 | WO2008120436A3 Voice conference apparatus providing microphone directivity to reduce acoustic coupling |
| 02/26/2009 | WO2008100266A3 Mems fiber optic microphone |
| 02/26/2009 | WO2008021695A3 Multi-channel speaker system |
| 02/26/2009 | US20090052723 Speaker cabinet assembly for a speaker system |
| 02/26/2009 | US20090052722 Speaker system and fitting device |
| 02/26/2009 | US20090052721 Combined inductive charging coil and audio speaker for use in a personal care appliance |
| 02/26/2009 | US20090052718 Headphone Device |
| 02/26/2009 | US20090052717 Solar panel with bluetooth earphone |
| 02/26/2009 | US20090052716 Ear Speaker Device |
| 02/26/2009 | US20090052712 Stabilized Deployable-Retractable System, Principally for an Acoustic Loudspeaker System |
| 02/26/2009 | US20090052702 Non-Occluding Audio Headset Positioned in the Ear Canal |
| 02/26/2009 | US20090052694 Pseudo deep bass generating device |
| 02/26/2009 | DE202008016123U1 Defibrillator Defibrillator |
| 02/26/2009 | DE102007048001A1 Lautsprecher eines Kopfhörers mit ESD-Schutz Speaker headphones with ESD protection |
| 02/26/2009 | DE102007040062A1 Breitband-Exciter High-Exciter |
| 02/25/2009 | EP2028874A1 Headphone device |
| 02/25/2009 | EP2028873A1 Headphone device |
| 02/25/2009 | EP2027749A1 Household appliance |
| 02/25/2009 | EP2027748A2 Transducer enclosure |
| 02/25/2009 | CN101375632A Speaker |
| 02/25/2009 | CN101375628A Electronic device and sound reproducing method |
| 02/25/2009 | CN101375627A Improved suspension device for microphone |
| 02/25/2009 | CN101374369A Speaker system and fitting device |
| 02/25/2009 | CN101374368A Portable terminal device |
| 02/25/2009 | CN101374367A Electric device |
| 02/25/2009 | CN101374366A Headphone device |
| 02/25/2009 | CN101374365A Ear speaker device |
| 02/25/2009 | CN101374364A Earpiece and electro-acoustic transducer |
| 02/25/2009 | CN101374363A Headphone device |
| 02/25/2009 | CN101374362A Earphone horn with antistatic circuit board |
| 02/25/2009 | CN101374361A Fixed device for microphone |
| 02/25/2009 | CN101373992A Multifunctional earphone and system for monitoring alcohol concentration using the same |
| 02/24/2009 | US7496387 Wireless headset for use in speech recognition environment |
| 02/24/2009 | US7496208 Wind shield and microphone |
| 02/24/2009 | US7496207 Cabinet for audio devices |
| 02/24/2009 | US7494216 Electronic eyewear with hands-free operation |
| 02/24/2009 | US7493899 Microphone adaptor for a respirator |
| 02/19/2009 | WO2009023176A1 User validation of body worn device |
| 02/19/2009 | WO2009022459A1 Microphone apparatus and manufacturing method thereof |
| 02/19/2009 | WO2009022278A1 An audio reproduction system comprising narrow and wide directivity loudspeakers |
| 02/19/2009 | WO2009022196A1 Voltage supply circuitry and integrated corcuit therefor |
| 02/19/2009 | WO2009022135A1 A method of improving sound reproduction and listening enjoyment |
| 02/19/2009 | WO2008139047A3 Active acoustic housing with multiple transducer distributed mode loudspeaker |
| 02/19/2009 | WO2008101198A4 Triangular microphone assembly for use in a vehicle accessory |
| 02/19/2009 | US20090046889 Speaker |
| 02/19/2009 | US20090046888 Speaker |
| 02/19/2009 | US20090046887 Cooling arrangement for voice coil of speaker |
| 02/19/2009 | US20090046886 Rotary tweeter mounting arrangement fora spekaer assembly |
| 02/19/2009 | US20090046885 Speaker damper mounting structure |
| 02/19/2009 | US20090046881 Easy-to-assemble one-piece surround speaker structure |
| 02/19/2009 | US20090046876 Coaxial Loudspeaker |
| 02/19/2009 | US20090046874 Apparatus and Method for Transmitting Auditory Bone Conduction |
| 02/19/2009 | US20090046869 Wireless audio receivers |
| 02/19/2009 | US20090046868 Method and apparatus for controlling a headphone |