Patents for H04R 5 - Stereophonic arrangements (11,598) |
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11/15/2001 | US20010040975 Device including a built-in electroacoustic transducer for optimum speech reproduction |
11/15/2001 | EP1145531A3 Apparatus for hands-free operation with two sound reproduction transducers |
11/15/2001 | DE10113735A1 Vorrichtung und Verfahren zur Geräuschreduzierung Apparatus and method for noise reduction |
11/14/2001 | CN2459841Y Ultradynamic expandor |
11/14/2001 | CN2459840Y Earphone comforming to acoustics |
11/14/2001 | CN2459839Y Sectional insertion earphone |
11/13/2001 | US6317501 Microphone array apparatus |
11/08/2001 | WO2001084882A2 Method for improved audio frequency broadcast in a vehicle and vehicle equipped with same |
11/08/2001 | DE10045177A1 Earphone for multimedia surround sound creates inner ear extension improves directional information |
11/07/2001 | EP1151630A2 Method and system of compensating for boundary effects on a primary sound source |
11/07/2001 | EP1151629A1 Diffuser panel with built-in speaker arrangement and methods of installation |
11/07/2001 | CN2458697Y Multi-channel audio signal converter |
11/07/2001 | CN1074641C Design method and device for digital sounder |
11/06/2001 | US6314191 Fireplace accessory |
11/06/2001 | US6311946 Saddlebag support for computer speakers |
11/01/2001 | US20010037508 Variable bandwidth communication systems and methods |
11/01/2001 | US20010036868 Motion transducer system |
11/01/2001 | US20010036286 Soundfield playback from a single speaker system |
10/31/2001 | DE10020532A1 Operating system with two active loudspeakers has digital amplifiers provided on power output stages of active loudspeakers |
10/31/2001 | CN2457826Y Anti-strongh bass overload circuit module |
10/30/2001 | CA2213429C Intelligent acoustic systems peripheral |
10/25/2001 | WO2001080599A2 Automatic mono/stereo detection |
10/24/2001 | EP1148759A1 Cabinet for audio devices |
10/24/2001 | EP1148758A1 Cabinet for audio devices |
10/24/2001 | EP1147680A2 A headphone comprising bending-wave loudspeakers |
10/24/2001 | CN2456425Y Vase audio system |
10/24/2001 | CN1318906A Casing of audio device |
10/23/2001 | US6307942 Panel-form microphones |
10/23/2001 | US6305026 Cap with headphones assembly |
10/18/2001 | US20010032071 Portable data recording and/or data playback device |
10/18/2001 | US20010031062 Headphone system |
10/18/2001 | US20010031059 Cabinet for audio devices |
10/18/2001 | US20010031057 Method and apparatus for producing spatially distributed sound into a set of headphones |
10/18/2001 | US20010031052 Noise suppression loudspeaker |
10/18/2001 | US20010029675 Laser beam alignment device |
10/17/2001 | EP1145531A2 Apparatus for hands-free operation with two sound reproduction transducers |
10/17/2001 | EP0906712A4 Center point stereo reproduction system for musical instruments |
10/17/2001 | EP0700620B1 Audio-visual arrangement and system in which such an arrangement is used |
10/17/2001 | CN2455029Y Molecular integrated-circuit electronic sounder |
10/17/2001 | CN1073325C Method and device for remote-control television earphone |
10/16/2001 | US6304661 Loudspeakers comprising panel-form acoustic radiating elements |
10/11/2001 | WO2001076316A2 Deformable loudspeaker |
10/11/2001 | US20010029616 Audio menu display method |
10/11/2001 | US20010028723 Television system with digital sound |
10/11/2001 | US20010028719 Apparatus for detecting direction of sound source and turning microphone toward sound source |
10/11/2001 | DE10015801A1 Digital radio/wireless loudspeaker for transmitting audio signals uses a high-frequency receiver component to pick up digital audio data produced by a receiver signal through a data recovery stage and a signal processor stage. |
10/10/2001 | EP1143766A1 System for reproducing three-dimensional sound field |
10/10/2001 | EP1143764A1 Speaker device |
10/10/2001 | EP1142448A2 Motor vehicle audio system |
10/10/2001 | EP1142443A1 Loudspeaker mounting system comprising a flexible arm |
10/10/2001 | EP0746958B1 Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus |
10/10/2001 | CN2453628Y Ear phone |
10/09/2001 | US6301490 Audio headset communication apparatus and method |
10/09/2001 | US6301367 Wearable audio system with acoustic modules |
10/09/2001 | US6298943 Bass-reflex speaker assembly |
10/04/2001 | WO2001074115A2 Planar loudspeaker for cabin-like environment |
10/04/2001 | US20010026627 Deformable loudspeaker |
10/03/2001 | CN2452229Y Plane loud-speaker with rack system |
10/03/2001 | CN2452228Y High and low separating loud-speaker |
10/03/2001 | CN1315819A Multi-channel mode common printed circuit board decoder for audio frequency |
10/03/2001 | CN1315818A Horn-type loudspeaker |
10/02/2001 | USRE37398 Headphone |
10/02/2001 | US6298141 Method and apparatus for audio bass enhancement in a electronic device |
10/02/2001 | US6298025 Recording and playback of multi-channel digital audio having different resolutions for different channels |
09/27/2001 | US20010025202 Device for determining and characterizing noises generated by mastication of food |
09/26/2001 | EP1137319A2 Headrest surround channel electroacoustical transducing |
09/26/2001 | EP1137317A1 Speaker unit |
09/26/2001 | EP1135969A1 Digital wireless loudspeaker system |
09/26/2001 | EP1135965A2 Waterproof housing cover for hospital bed |
09/26/2001 | CN2450845Y Dynamic balanced earpiece |
09/25/2001 | US6295366 Aircraft headset |
09/20/2001 | WO2001069966A1 Speaker box |
09/20/2001 | US20010022843 Audio signal reproducing apparatus |
09/20/2001 | US20010022842 Method, apparatus and storage medium for adjusting the phase of sound from multiple speaker units |
09/20/2001 | US20010022835 Speaker apparatus |
09/19/2001 | EP1133899A1 Binaural signal processing techniques |
09/19/2001 | CN2449440Y Miniature wireless earphone |
09/19/2001 | CN2449439Y Multi-channel earphone |
09/13/2001 | WO2001067808A1 Noise suppression loudspeaker |
09/13/2001 | WO2001067805A2 Automatic turn-on and turn-off control for battery-powered headsets |
09/13/2001 | US20010021259 Personal sound masking system |
09/13/2001 | US20010021257 Stereophonic sound field reproducing apparatus |
09/12/2001 | EP1133211A2 Information apparatus having speakers |
09/12/2001 | CN1312602A Connector, multi-path audio-frequency system, electronic apparatus and cable for connection |
09/11/2001 | US6289108 Methods for detecting alteration of audio and images |
09/07/2001 | WO2001065890A2 Loudspeaker system |
09/06/2001 | DE10013432C1 Microphone device installed in automobile positioned in front of driver facing towards front windscreen for reception of speech signals reflected from windscreen surface |
09/05/2001 | EP1130880A1 Headset and head support for headset. |
09/05/2001 | CN2446739Y Mouse pad multimedia loudspeaker box |
09/05/2001 | CN1311974A Head phone |
09/05/2001 | CN1311622A Head ear-phone system |
09/04/2001 | US6285770 Noticeboards incorporating loudspeakers |
09/04/2001 | US6285757 Interactive devices and methods |
08/30/2001 | WO2001063968A1 Speaker system for personal computers |
08/30/2001 | WO2001063967A1 Multi-channel headphones |
08/30/2001 | WO2001063966A2 Device for fixing earphones and/or mini-microphones |
08/30/2001 | US20010017925 Headset and head support for headset |
08/30/2001 | US20010017924 Loudspeakers with panel-form acoustic radiating elements |
08/30/2001 | US20010017921 Sound field correcting method in audio system |
08/30/2001 | US20010017482 Motion transducer efficient for small amplitude movements |