| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 03/27/2002 | CN2483923Y Art stereo loudspeaker box |
| 03/27/2002 | CN2483922Y Voice receiver-transmitter with improved connection terminal |
| 03/27/2002 | CN2483921Y Frame used for hanging letter received or will be sent out |
| 03/27/2002 | CN2483920Y Microphone and keyboard combined structure |
| 03/27/2002 | CN1342385A Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material |
| 03/27/2002 | CN1342384A 扬声器系统 Speaker system |
| 03/27/2002 | CN1342383A Electronic apparatus |
| 03/27/2002 | CN1342031A 信号转换器 Signal converter |
| 03/27/2002 | CN1342030A 管形麦克风装置 Tubular microphone device |
| 03/26/2002 | US6363158 Adjustable hanging-type earphone |
| 03/26/2002 | US6363157 Multiple element electroacoustic transducing |
| 03/26/2002 | US6362726 Sounder device which deflects sound away from a housing |
| 03/26/2002 | US6361439 Game machine audio device and information recording medium |
| 03/26/2002 | US6360842 In-wall speaker mounting apparatus |
| 03/21/2002 | WO2002023965A2 A cloth for covering an opening in a housing of an electronic equipment |
| 03/21/2002 | WO2002023949A1 An earpiece |
| 03/21/2002 | WO2002023947A1 Directional optical microphones |
| 03/21/2002 | WO2002023945A1 A system of sound transducers with controllable directional properties |
| 03/21/2002 | WO2001063966A3 Device for fixing earphones and/or mini-microphones |
| 03/21/2002 | US20020034314 Loudspeaker driver |
| 03/21/2002 | US20020034313 Application of invisible speaker and the method for fabricating the same |
| 03/21/2002 | US20020034310 Adaptive microphone matching in multi-microphone directional system |
| 03/21/2002 | US20020034302 Data terminal device that can easily obtain and reproduce desired data |
| 03/21/2002 | US20020033681 Multifunction acoustic device |
| 03/21/2002 | DE19939409C2 Schallwandler für Wand- und Deckeneinbau Transducer for wall and ceiling mounting |
| 03/20/2002 | EP1189481A2 Headphones without radiation |
| 03/20/2002 | EP1189480A2 Headset with earpiece and mouthpiece |
| 03/20/2002 | EP1189479A1 Wireless transmission communication system |
| 03/20/2002 | EP1188353A1 Bandpass loudspeaker system |
| 03/20/2002 | EP0671115B1 Method for the securing of an electro-acoustic device in or partly in the human ear |
| 03/20/2002 | CN1340987A Double-face loudspeaker |
| 03/20/2002 | CN1340986A Head set device |
| 03/20/2002 | CN1081431C Loudspeaker system for TV set |
| 03/19/2002 | US6359996 Speaker device |
| 03/19/2002 | US6359995 Earphone fittable to both ears by hanging |
| 03/19/2002 | US6359991 Greetings or the like card |
| 03/19/2002 | US6359371 Inertial/audio unit and construction |
| 03/14/2002 | WO2002021881A1 Display window having voice input/output function |
| 03/14/2002 | WO2002021878A1 Hypersensitive microphone with amplitude reduction |
| 03/14/2002 | WO2001052592A3 Headphones |
| 03/14/2002 | WO2001023104A3 Method and apparatus to direct sound using an array of output transducers |
| 03/14/2002 | US20020032510 Vehicle rearview mirror assembly incorporating a communication system |
| 03/14/2002 | US20020031239 Multifunction acoustic device |
| 03/14/2002 | US20020031238 Headphone device |
| 03/14/2002 | US20020031234 Microphone system for in-car audio pickup |
| 03/14/2002 | US20020029926 Sound-producing device with acoustic waveguide |
| 03/14/2002 | US20020029925 Loudspeakers |
| 03/14/2002 | US20020029686 Sound system and method for creating a sound event based on a modeled sound field |
| 03/14/2002 | US20020029438 Hearing aid retainer |
| 03/13/2002 | EP1187510A2 Multifunction acoustic device |
| 03/13/2002 | EP1187509A1 Signal converter functioning as a loudspeaker or a receiver and as a vibrator |
| 03/13/2002 | EP1187094A1 Sound device with an acoustic waveguide |
| 03/13/2002 | EP1186205A2 High definition transducer |
| 03/13/2002 | EP1186204A2 Electroacoustic transducer having a moving coil and having elastic holding elements for the connecting leads of the moving coil |
| 03/13/2002 | EP1186203A2 Bending wave acoustic device |
| 03/13/2002 | EP1186202A1 An underwater audio system |
| 03/13/2002 | EP1186201A1 Electronic devices using earphones and wireless earphones |
| 03/13/2002 | CN2482302Y Inverse phase loudspeaker box with sealed loudspeaker box structure |
| 03/13/2002 | CN2482301Y Radio earpiece |
| 03/13/2002 | CN2482300Y Handfree receiver unit |
| 03/13/2002 | CN1340282A Loudspeaker |
| 03/13/2002 | CN1339938A Reproducing device for multiple sound channel signals |
| 03/12/2002 | US6356644 Earphone (surround sound) speaker |
| 03/12/2002 | US6356643 Electro-acoustic transducer |
| 03/12/2002 | US6356642 Multi-speaker system |
| 03/12/2002 | US6356641 Vehicular loudspeaker system |
| 03/12/2002 | US6356640 Direction adjusting arrangement for tweeter |
| 03/12/2002 | US6356635 Headband for reversible mounting of headsets |
| 03/12/2002 | US6356511 Low distortion ratio hydrophone |
| 03/12/2002 | US6356392 Compact image display system for eyeglasses or other head-borne frames |
| 03/12/2002 | US6354397 Attachment fixture for the front panel and grill of a speaker assembly |
| 03/12/2002 | CA2228952C Noise cancellation and noise reduction apparatus |
| 03/07/2002 | WO2002019765A1 Near-field speaker/microphone acoustic/seismic dampening communication device |
| 03/07/2002 | WO2002019761A2 Pivoting and rotating loudspeaker assembly |
| 03/07/2002 | WO2002019760A2 Interchangeable loudspeaker baffle assembly |
| 03/07/2002 | WO2002019759A1 Bone conduction vibrator |
| 03/07/2002 | WO2002017839A1 Ear terminal for noise control |
| 03/07/2002 | WO2002017838A1 Ear protection with verification device |
| 03/07/2002 | WO2002017837A1 Ear terminal with microphone in meatus, with filtering giving transmitted signals the characteristics of spoken sound |
| 03/07/2002 | WO2002017836A1 Ear terminal with a microphone directed towards the meatus |
| 03/07/2002 | WO2002017835A1 Ear terminal for natural own voice rendition |
| 03/07/2002 | WO2001069964A3 Acoustic switch with electronic switching capability |
| 03/07/2002 | US20020028661 Portable terminal system |
| 03/07/2002 | US20020027999 Acoustic device |
| 03/07/2002 | US20020027998 Electroacoustic transducer |
| 03/07/2002 | US20020027491 Signal converter |
| 03/07/2002 | DE10040268A1 Headset for mobile telephone, has adjustable fastener through which loudspeaker mount is placed near user's ears |
| 03/07/2002 | DE10039775A1 Lautsprechervorrichtung und Gerät Speaker apparatus and equipment |
| 03/07/2002 | CA2436975A1 Interchangeable loudspeaker baffle assembly |
| 03/07/2002 | CA2436955A1 Pivoting and rotating loudspeaker assembly |
| 03/06/2002 | EP1185139A2 Diaphragm for speakers |
| 03/06/2002 | EP1185138A2 System for delivering audio content |
| 03/06/2002 | EP1185137A2 Headphone device |
| 03/06/2002 | EP1185134A2 Facing system for a flat panel radiator |
| 03/06/2002 | EP1185094A2 Apparatus for reducing vibrations generated by a loudspeaker in a television cabinet |
| 03/06/2002 | EP1183921A1 High-frequency current supressor capable of being readily attached to cable or the like and earphone system using the same |
| 03/06/2002 | EP1183907A1 Hearing-aid, worn behind the ear |
| 03/06/2002 | EP1183903A1 Loudspeaker assembly |
| 03/06/2002 | EP1182971A1 Ultrasonic transducer with improved compressive loading |
| 03/06/2002 | EP1075234A4 Hearing coupler shells of soft pliable thermoplastic material |