| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 08/19/2004 | US20040160572 Eyeglass with MP3 player |
| 08/19/2004 | US20040160571 Electronically enabled eyewear |
| 08/19/2004 | US20040160511 Personal communications device |
| 08/18/2004 | EP1448019A1 Yoke of speaker |
| 08/18/2004 | EP1448018A2 Speaker device with dampers |
| 08/18/2004 | EP1448015A1 An adaptor for mounting a sound tube in an earpiece |
| 08/18/2004 | EP1447789A1 Drum muffler with microphone mounting |
| 08/18/2004 | EP1446874A2 Microphone-tailored equalizing system |
| 08/18/2004 | CN2634772Y Electric turning speaker |
| 08/18/2004 | CN2634769Y Mini acoustic device |
| 08/18/2004 | CN1522481A Mechanical-contact adapter |
| 08/18/2004 | CN1522095A Plug connecting mechanism |
| 08/18/2004 | CN1521725A Damping element |
| 08/18/2004 | CN1521054A Vocal sound input apparatus for automotive vehicle |
| 08/18/2004 | CN1163102C Loudspeaker protective grid |
| 08/18/2004 | CN1162759C Device for mounting a microphone and a pressure compensation element in a telephone wrist watch |
| 08/17/2004 | US6778963 Speech recognition system for car navigation and microphone |
| 08/17/2004 | US6778814 Wireless microphone apparatus and transmitter device for a wireless microphone |
| 08/17/2004 | US6778813 Audio system/cup assembly |
| 08/17/2004 | US6778676 Acoustic transmission connection, headset with acoustic transmission connection, and uses of the acoustic transmission connection |
| 08/17/2004 | US6778675 Speaker device |
| 08/17/2004 | US6778649 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth |
| 08/17/2004 | US6778470 Mountable syntactic foam sensor housing |
| 08/12/2004 | WO2004068898A1 Loudspeaker |
| 08/12/2004 | WO2004068897A1 Speaker system |
| 08/12/2004 | WO2004068896A2 Ambidextrous earpiece |
| 08/12/2004 | WO2004068464A2 Acoustic vibration sensor |
| 08/12/2004 | US20040158431 Medical hearing aid analysis system |
| 08/12/2004 | US20040157649 Wireless interactive headset |
| 08/12/2004 | US20040156523 Self-aligning self-sealing high-fidelity portable speaker and system |
| 08/12/2004 | US20040156520 Miniature digital transducer with reduced number of external terminals |
| 08/12/2004 | US20040156519 Phase plug with optimum aperture shapes |
| 08/12/2004 | US20040156518 Speaker system |
| 08/12/2004 | US20040156517 Retractable spa speaker system |
| 08/12/2004 | US20040156515 Acoustic device |
| 08/12/2004 | US20040156267 Permanent seafloor seismic recording system utilizing micro electro-mechanical systems seismic sensors and method of deploying same |
| 08/12/2004 | US20040156012 Electronic eyewear with hands-free operation |
| 08/12/2004 | US20040154457 Damping element |
| 08/12/2004 | DE202004007766U1 Fastening for a loudspeaker has a loudspeaker and fastening plate, both fastened on a casing with a clip on an inner edge |
| 08/12/2004 | DE202004004668U1 Foam wind protector for microphones has a sound entry opening on a front side, a cylindrical cavity and a chamber for holding the microphone |
| 08/11/2004 | EP1445979A2 Speaker system with a main and a subordinate speaker |
| 08/11/2004 | EP1444862A1 Microphone unit |
| 08/11/2004 | EP1443848A2 Acoustically generated images having selected components |
| 08/11/2004 | EP1273204B1 Acoustic transducer for broad-band loudspeakers or headphones |
| 08/11/2004 | EP0985327A4 Flush mounted uni-directional microphone |
| 08/11/2004 | CN2632975Y Loudspeaker structure improvement |
| 08/11/2004 | CN2632749Y Technological computer loudspeaker |
| 08/11/2004 | CN1520701A Whizzer cone for loudspeaker |
| 08/11/2004 | CN1520230A 转换器模块 Converter Module |
| 08/11/2004 | CN1520138A Device for making blue teeth earphone switch in signal arbitrarily and the control method |
| 08/11/2004 | CN1162041C Photoelectric transudcer indluding enclosuring element for enclosuring rear volume of transducer |
| 08/11/2004 | CN1162038C Application of high polymer composite material in high-fidelity voice box |
| 08/10/2004 | US6775390 Headset with movable earphones |
| 08/10/2004 | US6774295 MusiCoveralls |
| 08/10/2004 | US6773300 Microphone holder |
| 08/10/2004 | US6772854 Device and method for inserting acoustic dampers into earphones |
| 08/10/2004 | US6772853 Clip-on earphone device |
| 08/05/2004 | WO2004066673A1 Set-up method for array-type sound system |
| 08/05/2004 | WO2004066670A1 Mounting support device for ceiling embedded speaker system |
| 08/05/2004 | WO2004066599A1 Ear fixed type conversation device |
| 08/05/2004 | WO2004066041A1 Portable tight device with an electro-acoustic transducer |
| 08/05/2004 | WO2004065841A2 Off-axis reducible support structure |
| 08/05/2004 | WO2004064483A2 Actuator for an active noise control system |
| 08/05/2004 | US20040151335 Microphone capsule support |
| 08/05/2004 | US20040151334 Actuator for an active noise control system |
| 08/05/2004 | US20040151325 Method and apparatus to create a sound field |
| 08/05/2004 | US20040150570 Communication apparatus with antenna |
| 08/05/2004 | DE202004004828U1 Ceramic loudspeaker housing has acoustically sealed and non-porous horn- or crescent-shaped base structure with loudspeaker openings on both ends, air column curved as longitudinal section of housing |
| 08/05/2004 | DE10303030A1 Treiber Driver |
| 08/04/2004 | EP1443800A2 Headphone |
| 08/04/2004 | EP1443799A2 Headphone |
| 08/04/2004 | EP1443797A1 Speaker and electrical connecting assembly |
| 08/04/2004 | EP1443737A1 Headset comprising a wireless communication device communicating with at least two remote devices |
| 08/04/2004 | EP1443665A1 Electronic apparatus and remote control method used in the apparatus |
| 08/04/2004 | EP1442529A1 Vehicle accessory microphone |
| 08/04/2004 | EP1009977B1 Wafer-fabricated electroacoustic transducer |
| 08/04/2004 | CN2631173Y Multi channel circulating sound box |
| 08/04/2004 | CN2631172Y Plastic-formed horn wire |
| 08/04/2004 | CN1518395A Electroacoustical transducing by low frequency augmenting devices |
| 08/04/2004 | CN1161000C Mechanical acoustic dividing network and transducer thereof |
| 08/04/2004 | CN1160997C Tubular microphone device |
| 08/04/2004 | CN1160996C Earphone device for providing dynamic voice with vibration and method for the same device |
| 08/04/2004 | CN1160922C Digital transmitter-receiver |
| 08/03/2004 | US6772127 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| 08/03/2004 | US6771789 Adjustable microphone apparatus |
| 08/03/2004 | US6771788 Shielded microphone |
| 08/03/2004 | US6771787 Waveguide electroacoustical transducing |
| 08/03/2004 | US6771784 Sub woofer system |
| 08/03/2004 | US6771782 Signal processing for audio device |
| 08/03/2004 | US6771780 Tri-functional dual earphone device |
| 08/03/2004 | US6769509 Pole speaker |
| 08/03/2004 | US6769508 Underwater audio system |
| 07/29/2004 | WO2004064449A1 Piezoelectric speaker, speaker system employing it, and electronic apparatus employing piezoelectric speaker |
| 07/29/2004 | WO2004064447A1 Loudspeaker system with extended output and field cancellation |
| 07/29/2004 | WO2004064446A1 Portable accoustic apparatus |
| 07/29/2004 | WO2004064445A2 Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance |
| 07/29/2004 | WO2004064444A2 Audio speaker crossover having two or more filter housings |
| 07/29/2004 | WO2004064443A2 Two-way voice communication device having external acoustic noise reduction |
| 07/29/2004 | WO2004034732A3 Acoustic reproduction device with improved directional characteristics |
| 07/29/2004 | WO2003034780A8 Signal processing device for acoustic transducer array |