| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/18/2007 | WO2007007468A1 Audio signal processing device, audio signal processing method, program thereof, and recording medium containing the program |
| 01/18/2007 | WO2007007446A1 Array speaker system and array microphone system |
| 01/18/2007 | WO2007007444A1 Audio transmission system and communication conference device |
| 01/18/2007 | WO2007007414A1 Delay sum type sensor array |
| 01/18/2007 | WO2007007265A1 Listening device for clear perception of sound signals in a noisy environment |
| 01/18/2007 | WO2007007083A1 Compact surround-sound effects system |
| 01/18/2007 | WO2007006304A1 Method and apparatus for providing an expandable accoustical volume |
| 01/18/2007 | WO2006082735A3 Ear mold |
| 01/18/2007 | WO2005120128A3 Method of detecting and deterring microphone sabotage |
| 01/18/2007 | US20070015467 Communication system using short range radio communication headset |
| 01/18/2007 | US20070014426 Multimedia audio dock |
| 01/18/2007 | US20070014425 Acoustic structure of seat back |
| 01/18/2007 | US20070014424 Double-resonator micro-speaker assemblies and methods for tuning the same |
| 01/18/2007 | US20070013270 Piezoelectric vibrator |
| 01/18/2007 | US20070012166 Removable speaker arrangement |
| 01/18/2007 | DE202006005505U1 Improved vibration damping for electro acoustic equipment uses a foam ceramic aluminium material |
| 01/18/2007 | CA2614113A1 Listening device for clear perception of sound signals in a noisy environment |
| 01/17/2007 | EP1744587A1 Electro-acoustic converter and electronic device using the same |
| 01/17/2007 | CN2859969Y Easy-distinguished stereo earplug |
| 01/17/2007 | CN2859968Y Cassette split acoustic device |
| 01/17/2007 | CN2859962Y Novel earphone |
| 01/17/2007 | CN2859961Y Microphone with three needle sleeve |
| 01/17/2007 | CN2859960Y Minitype microphone weldering plate |
| 01/17/2007 | CN1898990A Portable terminal speaker characteristic compensation method |
| 01/17/2007 | CN1898989A Acoustic signal reproducing method |
| 01/17/2007 | CN1898988A Audio output apparatus |
| 01/17/2007 | CN1898987A Bone-conduction device and method of manufacturing the same |
| 01/17/2007 | CN1898939A Bone-conduction handset |
| 01/17/2007 | CN1897897A Hearing protector |
| 01/17/2007 | CN1897598A Sound outputting apparatus and sound outputting method |
| 01/17/2007 | CN1295915C Mobile phone with built-in earphone for preventing radiation and built-in earphone assembly for preventing radiation |
| 01/17/2007 | CN1295033C Ultrasonic transducer and method of joining an ultrasonic transducer |
| 01/16/2007 | US7164777 Speaker driver with detachable motor and basket |
| 01/16/2007 | US7164776 Vibration balanced receiver |
| 01/16/2007 | US7164770 Surround sound speaker system |
| 01/16/2007 | US7164576 Multimedia speaker with integrated stand |
| 01/16/2007 | US7163622 Filter |
| 01/16/2007 | US7162930 Ultrasonic sensor |
| 01/16/2007 | CA2421100C Near-field speaker/microphone acoustic/seismic dampening communication device |
| 01/16/2007 | CA2413217C Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity |
| 01/11/2007 | WO2007005619A2 Angularly adjustable speaker system |
| 01/11/2007 | WO2007005221A1 Headset with a retractable speaker portion |
| 01/11/2007 | WO2007005119A2 Active crossover and wireless interface for use with multi-driver in-ear monitors and headphones |
| 01/11/2007 | WO2007004362A1 Speaker enclosure, speaker system having the speaker enclosure, and multi-channel stereo system |
| 01/11/2007 | WO2006100250A3 A transducer arrangement improving naturalness of sounds |
| 01/11/2007 | US20070009133 Loudspeaker |
| 01/11/2007 | US20070009131 Portable audio system |
| 01/11/2007 | US20070007858 Microphone with adjustable properties |
| 01/11/2007 | DE202006013144U1 Modular multipurpose pillar system for assembly of different functions e.g. lighting- and power supplying-purpose serving pillars, has base-, intermediate- and closing element, all having housing part in which function block is installed |
| 01/11/2007 | DE202005013955U1 Kopfhörer Headphone |
| 01/10/2007 | EP1742508A1 Electret capacitor microphone |
| 01/10/2007 | EP1742505A1 Ultrasonic sensor |
| 01/10/2007 | EP1742503A1 Electric acoustic converter and electronic device using the same |
| 01/10/2007 | EP1741312A1 A portable speaker device |
| 01/10/2007 | CN2857387Y Externally connecting multi-media loudspeakers |
| 01/10/2007 | CN2857386Y Super-thin Bass-reflex cabinet |
| 01/10/2007 | CN2857385Y Earphone for sports |
| 01/10/2007 | CN2857384Y Anti-freezing earphone able to hear music |
| 01/10/2007 | CN2857383Y Loudspeaker player |
| 01/10/2007 | CN2857382Y Hold-free receiver |
| 01/10/2007 | CN1895001A Audio signal processing device and audio signal reproduction system |
| 01/10/2007 | CN1893739A Mounting substrate and microphone mounted thereon |
| 01/10/2007 | CN1893736A Electromagnetic exciter |
| 01/10/2007 | CN1893733A Boundary microphone |
| 01/10/2007 | CN1893732A Speaker system and speaker enclosure |
| 01/10/2007 | CN1893731A Headphone device |
| 01/10/2007 | CN1294471C Electronic apparatus capable of eliminating noise and voice input method for the apparatus |
| 01/10/2007 | CN1294427C Optical diffusion barrier and relative back light module |
| 01/09/2007 | US7162227 Signal routing for reduced power consumption in a conferencing system |
| 01/09/2007 | US7162049 Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance |
| 01/09/2007 | US7162048 Structure around a speaker unit and applied electric or electronic apparatus thereof |
| 01/09/2007 | US7162047 Audio reproducing apparatus |
| 01/09/2007 | US7162043 Microphone array sound source location system with imaging overlay |
| 01/09/2007 | US7162041 Noise canceling microphone with acoustically tuned ports |
| 01/05/2007 | CA2511401A1 Electro-acoustic sound diffuser |
| 01/04/2007 | WO2007001035A1 Ultrasonic speaker system |
| 01/04/2007 | WO2007000829A1 Information providing system |
| 01/04/2007 | WO2007000485A1 A speaker apparatus combining earpiece and hands free functions |
| 01/04/2007 | WO2007000484A1 A speaker apparatus in a wireless communication device |
| 01/04/2007 | US20070003098 Headset |
| 01/04/2007 | US20070003097 Angularly adjustable speaker system |
| 01/04/2007 | US20070003095 Porous solid wind screen for microphone |
| 01/04/2007 | US20070003092 Hat structure with earphones |
| 01/04/2007 | US20070003090 Wind noise reduction for microphone |
| 01/04/2007 | US20070003074 Method and device for separating of sound signals |
| 01/04/2007 | DE19648003B4 Signalanzeigesystem Signal display system |
| 01/04/2007 | DE102005031230A1 Low reflection transmission line loudspeaker system joins active sound generator and passive sound outlet opening using sound channel defined by simple surface |
| 01/04/2007 | DE102005029514A1 Gehörschutzstöpsel und Verfahren zu seiner Herstellung Earplugs and process for its preparation |
| 01/03/2007 | EP1740034A1 Portable radio apparatus |
| 01/03/2007 | EP1740013A2 Speaker system and speaker enclosure |
| 01/03/2007 | EP1739933A1 Communication device with shielded microphone |
| 01/03/2007 | EP1737705A1 Audio devices for vehicles |
| 01/03/2007 | EP1313419B1 Ear protection with verification device |
| 01/03/2007 | EP0948856B1 Telephone handset, cordless telephone or mobile telephone |
| 01/03/2007 | EP0923774B1 Cone reflector/coupler speaker system and method |
| 01/03/2007 | CN2854995Y Two-channel conference speak unit |
| 01/03/2007 | CN2854994Y Capacitor microphone |
| 01/03/2007 | CN2854985Y Sound-transmission structure of high pitch unit in loudspeaker box |
| 01/03/2007 | CN2854984Y Loudspeaker box without backblow |
| 01/03/2007 | CN2854983Y Two-channel all-frequency loudspeaker |