| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 04/21/2005 | US20050084127 Audio loudspeaker enclosure |
| 04/21/2005 | US20050084126 Speaker housing without insulation capable of increasing sound output |
| 04/21/2005 | US20050084125 Loudspeaker set with elastic adapter |
| 04/21/2005 | US20050083785 Heating apparatus using surface acoustic wave |
| 04/21/2005 | US20050082447 Shock absorbing and magnetic levitating cushion |
| 04/21/2005 | DE102004001215B3 Removable frame for exciter of flat membrane loudspeaker has inner ring holding membrane and fitting in outer ring with set of spring clips |
| 04/21/2005 | CA2542622A1 Communication headset with signal processing capability |
| 04/20/2005 | EP1524879A1 Handsfree system for use in a vehicle |
| 04/20/2005 | EP1524878A1 Cover for loudspeakers, particularly for motor cars |
| 04/20/2005 | EP1524823A1 Portable telephone with bone conduction speaker |
| 04/20/2005 | EP1384224B1 Display signs |
| 04/20/2005 | CN2694682Y Ear muff |
| 04/20/2005 | CN1608283A Electropneumatic horn |
| 04/20/2005 | CN1607862A Apparatus and method for a speaker mounting system including a lightpipe and a rotating base stand |
| 04/20/2005 | CN1607742A Voice and control signal transmission method in wireless microphone and transmitter therefor |
| 04/20/2005 | CN1198480C Acoustic device |
| 04/20/2005 | CN1197526C Ultrasonic probe and manufacturing mehtod thereof |
| 04/19/2005 | US6883052 System for securing data on a data carrier |
| 04/19/2005 | US6882734 Vehicle accessory microphone |
| 04/19/2005 | US6882595 Pressure compensated hydrophone |
| 04/19/2005 | US6882087 Uniform energy megasonic transducer using vessel as resonator |
| 04/19/2005 | US6881080 Removable microphone mount and method |
| 04/14/2005 | WO2005034573A1 Speaker module and appratus using this |
| 04/14/2005 | WO2005034572A1 Speaker, speaker module and electronic apparatus using this |
| 04/14/2005 | WO2005034571A2 Noise canceling microphone with acoustically tuned ports |
| 04/14/2005 | WO2004064443A3 Two-way voice communication device having external acoustic noise reduction |
| 04/14/2005 | US20050080616 Recording a three dimensional auditory scene and reproducing it for the individual listener |
| 04/14/2005 | US20050079827 Wireless audio signal and control signal device and method thereof |
| 04/14/2005 | US20050078847 High comfort sound delivery system |
| 04/14/2005 | US20050078837 Wireless speaker system for use with ceiling fans |
| 04/14/2005 | US20050078470 Megaphone |
| 04/14/2005 | US20050077102 Protective acoustic cover assembly |
| 04/14/2005 | DE10342532A1 Hinterkopfbügel-Kopfhörer Behind headband headphones |
| 04/14/2005 | DE10341213A1 Sound diffuser e.g. for loud speaker system, has assigned sound producer and hyperbolic convex surface with hyperbolical part of surface has further sound diffuser |
| 04/14/2005 | CA2540708A1 Noise canceling microphone with acoustically tuned ports |
| 04/13/2005 | EP1523217A1 Electroacoustic transducer |
| 04/13/2005 | EP1523216A1 Wireless microphone with coupling element |
| 04/13/2005 | EP1523215A1 Speaker grille |
| 04/13/2005 | EP1523214A2 Mechanical system for suspending, connecting and inclining loudspeaker enclosure line arrays |
| 04/13/2005 | EP1523213A2 Calotte for a signal generator |
| 04/13/2005 | EP1358781B1 Faceplate |
| 04/13/2005 | CN2692946Y Clinging type microphone |
| 04/13/2005 | CN1606476A Micromachined ultrasound transducer and method for fabricating same |
| 04/13/2005 | CN1606382A Communication apparatus |
| 04/13/2005 | CN1197433C Multifunction sound apparatus |
| 04/13/2005 | CN1197432C Microphone holder |
| 04/12/2005 | US6879699 Head worn entertainment and/or communication device |
| 04/12/2005 | US6879698 Cellular telephone, personal digital assistant with voice communication unit |
| 04/12/2005 | US6879545 Woven fiber protection cable assembly for use in optical fiber hydrophone array |
| 04/12/2005 | US6877975 No motional nodes; production of substantially uniform radial motion; producing effects useful in continuous processes |
| 04/07/2005 | WO2005032213A1 Acoustic characteristic correction system |
| 04/07/2005 | WO2005032207A1 Directional loudspeaker control system |
| 04/07/2005 | WO2004064483A3 Actuator for an active noise control system |
| 04/07/2005 | US20050075091 Receiver with frequency response improvement |
| 04/07/2005 | US20050074128 Hearing system |
| 04/07/2005 | US20050073782 Sound control circuit for a digital audiovisual reproduction system |
| 04/07/2005 | US20050072624 Speaker |
| 04/06/2005 | EP1521498A2 Universal auditory canal insert for hearing aid |
| 04/06/2005 | EP1520446A1 An acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-board structure |
| 04/06/2005 | EP1520395A2 Stationary spectral power dependent audio enhancement system |
| 04/06/2005 | EP1520362A1 Wireless audio signal transmission method for a three-dimensional sound system |
| 04/06/2005 | EP1464204B1 Detection of sound waves produced by a musical instrument |
| 04/06/2005 | CN2691214Y Radio MP3 Player |
| 04/06/2005 | CN2691201Y Hish fidelity low frequency power continuous joint speaker |
| 04/06/2005 | CN2691200Y Digital speaker |
| 04/06/2005 | CN2691199Y Improved structure for microphone |
| 04/06/2005 | CN2691198Y Digital sund plager with vibrative function |
| 04/06/2005 | CN2691197Y Earphone switch head |
| 04/06/2005 | CN1605225A Method and apparatus to create a sound field |
| 04/06/2005 | CN1605224A Headset |
| 04/06/2005 | CN1605223A Bass reflex-type headphone |
| 04/06/2005 | CN1604690A Electronic device |
| 04/06/2005 | CN1604010A Electronic apparatus capable of always executing noise canceling and voice input method for the apparatus |
| 04/06/2005 | CN1604008A Electronic apparatus having a speaker unit |
| 04/06/2005 | CN1603903A Electric light device and electronic apparatus |
| 04/06/2005 | CN1196377C Hearing-aid worm behind ear |
| 04/06/2005 | CN1196376C Speaker |
| 04/06/2005 | CN1196304C Communication earpiece structure without high frequency and impulse noise |
| 04/05/2005 | US6876753 Coupling structure of signal converting apparatus |
| 04/05/2005 | US6876752 Loudspeakers systems and components thereof |
| 04/05/2005 | US6876743 One-piece speaker assembly |
| 04/05/2005 | US6876128 Short-circuit noise abatement device and method for a gas ultrasonic transducer |
| 04/05/2005 | US6876127 Ultrasonic transceiver and ultrasonic clearance sonar using the same |
| 04/05/2005 | CA2405309C Sound enhancing speaker cabinet for a removable speaker assembly |
| 04/05/2005 | CA2378262C Earpiece without impulse and high frequency noise |
| 03/31/2005 | WO2005029917A1 Audio loudspeaker enclosure |
| 03/31/2005 | WO2005029916A1 Loudspeaker enclosure |
| 03/31/2005 | WO2005029910A1 Ultrasonic probe |
| 03/31/2005 | WO2005029909A1 Virtual multi-channel speaker unit |
| 03/31/2005 | WO2005029816A1 Acoustic device for vehicle |
| 03/31/2005 | WO2004080113A3 Device having matched accoustical impedance and method |
| 03/31/2005 | US20050069166 Single magnetic circuit dual output speaker |
| 03/31/2005 | US20050069159 Electronic apparatus having a speaker unit |
| 03/31/2005 | US20050069158 Packaged piezoelectric exciter module |
| 03/31/2005 | US20050069157 Conductive stub of sound exciter |
| 03/31/2005 | US20050069156 Noise canceling microphone with acoustically tuned ports |
| 03/31/2005 | US20050069149 Electronic apparatus capable of always executing proper noise canceling regardless of display screen state, and voice input method for the apparatus |
| 03/31/2005 | US20050069147 Headset wire for use with portable electronic devices |
| 03/31/2005 | US20050069146 Digital audio player |
| 03/31/2005 | US20050067540 Wall hanged audio arrangement |