| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/08/2004 | DE10325091A1 Piezoelektrischer elektroakustischer Wandler A piezoelectric electro-acoustic transducer |
| 01/08/2004 | DE10241342A1 Deckenlautsprecher Ceiling Speakers |
| 01/08/2004 | CA2490438A1 Piezoelectric biological sound monitor with printed circuit board |
| 01/07/2004 | EP1379101A1 Speaker arrangement for communication terminal |
| 01/07/2004 | EP1377961A2 Active noise cancelling headset and devices with selective noise suppression |
| 01/07/2004 | CN2598292Y Delay reverberation depth and breadth sense stereophonic loadspeaker box |
| 01/07/2004 | CN2598289Y Vibration damper for microphone stand |
| 01/07/2004 | CN2598262Y Connector for wireless waist-hung transmitter |
| 01/07/2004 | CN1134195C Handset preventing electromagnetic radiation for hand-held telephone |
| 01/06/2004 | US6674996 Mobile phone accessory, particularly for the hands-free function, and an arrangement |
| 01/06/2004 | US6674870 Adjustable sound capturing device (MICTUBZ) |
| 01/06/2004 | US6674219 Piezoelectric speaker |
| 01/06/2004 | US6671952 Method of lead wire connection |
| 01/06/2004 | CA2242515C Adjustable earphones for personal audio and communication systems |
| 01/06/2004 | CA2228657C Mounting arrangement for a noise cancelling microphone |
| 01/02/2004 | EP1377116A2 Receiver unit of a terminal device |
| 01/02/2004 | EP1377113A2 Head-set for functional device |
| 01/02/2004 | EP1377041A2 Integrated design for omni-directional camera and microphone array |
| 01/02/2004 | EP1374635A1 Bone conduction hearing aid |
| 01/02/2004 | EP1374634A1 Headset with adjustable microphone boom |
| 01/02/2004 | EP1374631A1 Headset |
| 01/02/2004 | EP1374630A2 Electroacoustic transducer having spring contacts |
| 01/02/2004 | EP1373973A1 Display substrate with an integrated acoustic transducer |
| 01/02/2004 | EP1372482A2 Ear microphone apparatus and method |
| 01/02/2004 | EP0925677B1 Telephone having sealed acoustical passageway through flip cover hinge |
| 01/02/2004 | EP0872099B1 A method and device to fasten a loudspeaker to a circuit board |
| 01/01/2004 | US20040002358 Receiver unit of a terminal device |
| 01/01/2004 | US20040001603 Audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore |
| 01/01/2004 | US20040001589 Communications devices with receiver earpieces and methods therefor |
| 01/01/2004 | US20040001137 Integrated design for omni-directional camera and microphone array |
| 12/31/2003 | WO2004002191A1 A transducer for bioacoustic signals |
| 12/31/2003 | WO2004002190A1 Low frequency loudspecker enclosure with configurable directivity |
| 12/31/2003 | WO2004002189A1 Electromagnetic-wave-shieldable earphone for mobile phone |
| 12/31/2003 | WO2004002188A1 Headset |
| 12/31/2003 | WO2004001594A1 Device for processing demonstration signals and demonstration control data |
| 12/31/2003 | WO2004000431A1 Electronic apparatus |
| 12/31/2003 | WO2003079654A3 Apparatus and system for providing wideband voice quality in a wireless telephone |
| 12/31/2003 | WO2003071827A3 Compact surround-sound system |
| 12/31/2003 | WO2003065760A3 Low profile audio speaker |
| 12/31/2003 | CN2596704Y Imbedded thin speaker |
| 12/31/2003 | CN2596703Y Loudspeaker |
| 12/31/2003 | CN1465206A Audio apparatus |
| 12/31/2003 | CN1465204A Bone conduction headset |
| 12/31/2003 | CN1465200A An earphone for a cellular phone |
| 12/31/2003 | CN1133352C Earphone |
| 12/31/2003 | CN1133021C Front-locking swivel ball loudspeaker mount |
| 12/31/2003 | CA2490125A1 Headset |
| 12/30/2003 | US6671384 Apparatus having an electroacoustic transducer mounted on a p.c. board with the aid of a holding means |
| 12/30/2003 | US6671382 Microphone with a rotatable protective sleeve |
| 12/30/2003 | US6671379 Ear microphone apparatus and method |
| 12/30/2003 | US6668969 Manifold for a horn loudspeaker and method |
| 12/25/2003 | US20030235323 Pre-embedded in-wall speaker seat |
| 12/25/2003 | US20030235322 Hanging hook device of earphone |
| 12/25/2003 | US20030235321 Earphone device of head-hanging type |
| 12/25/2003 | US20030235320 Personal audio visual system |
| 12/25/2003 | US20030235315 Digital microphone |
| 12/25/2003 | US20030235313 Sleep-aide device |
| 12/24/2003 | WO2003107716A1 A communications headset |
| 12/24/2003 | WO2003088711A3 Loudspeaker with gps receiver |
| 12/24/2003 | WO2003045051A3 Equipment for shooting of film |
| 12/24/2003 | WO2003032505A3 Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil |
| 12/24/2003 | WO2003005767A3 Foldable hook for a headset and a headset equipped therewith |
| 12/24/2003 | WO2002054827A3 Wideband transducer |
| 12/24/2003 | WO2002011493A3 Two-stage phasing plug system in a compression driver |
| 12/24/2003 | CN2595120Y Automatic remote frequency variable radio FM earphone |
| 12/24/2003 | CN2595116Y Loudspeaker panel |
| 12/24/2003 | CN2595115Y Microphone connecting seats |
| 12/24/2003 | CN2595114Y Louder speaker assembly for electronic device |
| 12/24/2003 | CN2595101Y Non-held structure against background noise |
| 12/24/2003 | CN2595100Y 耳机插座 Headphone jack |
| 12/24/2003 | CN1463207A Viberation actuator device |
| 12/24/2003 | CN1132497C Speaker |
| 12/24/2003 | CN1132144C 小型喇叭式扬声器 Small horn speakers |
| 12/23/2003 | US6668204 Biaural (2channel listening device that is equalized in-stu to compensate for differences between left and right earphone transducers and the ears themselves |
| 12/23/2003 | US6668067 Electroacoustic transducer |
| 12/23/2003 | US6668065 Bone-conduction transducer and bone-conduction speaker headset therewith |
| 12/23/2003 | US6668064 Earphone without impulse noise and surrounding blockade |
| 12/23/2003 | US6668063 Electrical apparatus with electro-acoustic transducer |
| 12/23/2003 | US6666427 Stand base having modified hexagonal configuration |
| 12/18/2003 | WO2003017717A3 Method and apparatus for reconstruction of soundwaves from digital signals |
| 12/18/2003 | US20030232597 Cellular phone that exposes the user's brain to much less microwave radiation than ordinary cellular phones with the help of a proxy (intermediary) device |
| 12/18/2003 | US20030231783 External ear insert for hearing comprehension enhancement |
| 12/18/2003 | US20030231782 Rigging system for line array speakers |
| 12/18/2003 | US20030231781 Method and apparatus for applying audible sound frequency modulated electrical signal |
| 12/18/2003 | US20030231779 Method and apparatus for applying audible sound frequency modulated electrical signal |
| 12/18/2003 | US20030230144 Ultrasonic transducer |
| 12/17/2003 | EP1372354A2 Low frequency loudspeaker |
| 12/17/2003 | EP1372353A1 A communications headset |
| 12/17/2003 | EP1371262A2 Speaker arrangement |
| 12/17/2003 | EP1371261A2 Audio headset |
| 12/17/2003 | EP1133895B1 Microphone array with high directivity |
| 12/17/2003 | EP1125472B1 Loudspeakers comprising a phase uncorrelated diffuse sound source |
| 12/17/2003 | CN2593508Y Vehicular earphone unit |
| 12/17/2003 | CN2593505Y Ultraviolet sterilzing and disinfecting instrument especially for microphone |
| 12/17/2003 | CN2593504Y Bugle loud |
| 12/17/2003 | CN2593491Y Cladded facsimile apparatus receiver |
| 12/17/2003 | CN1462566A 扬声器驱动器 Speaker Driver |
| 12/17/2003 | CN1462565A Loudspeaker |
| 12/17/2003 | CN1131658C Mfg. method of artificial marble sound box |
| 12/16/2003 | USRE38351 High fidelity insert earphones and methods of making same |