| Patents for H04R 5 - Stereophonic arrangements (11,598) |
|---|
| 02/16/2005 | EP1506759A2 A covering device and an ear warmer |
| 02/16/2005 | CN2679953Y Noise isolating transceiving earphone |
| 02/16/2005 | CN1582061A Modular speaker system for a portable electronic device |
| 02/16/2005 | CN1581720A Wireless communication system with bluetooth module built in safety cap |
| 02/16/2005 | CN1189806C Portable computer |
| 02/10/2005 | US20050032500 Wireless/IR headphones with integrated rear seat audio control for automotive entertainment system |
| 02/10/2005 | US20050031156 Video steganography |
| 02/10/2005 | US20050031144 Flat display apparatus |
| 02/10/2005 | US20050031143 System for configuring audio system |
| 02/10/2005 | US20050031130 System for selecting correction factors for an audio system |
| 02/10/2005 | US20050031129 System for selecting speaker locations in an audio system |
| 02/10/2005 | US20050031128 Apparatus for generating surround signal from two-channel stereo signal |
| 02/10/2005 | US20050030884 Method and system for crosstalk cancellation |
| 02/10/2005 | US20050028418 Picture frame assembly |
| 02/10/2005 | DE10330808A1 Konferenzeinrichtung und Verfahren zur Mehrpunktkommunikation Conference facilities and methods for multi-point communication |
| 02/09/2005 | EP1504367A2 Audio network distribution system |
| 02/09/2005 | CN2678296Y Toning handle for four-dimensional acoustical image |
| 02/09/2005 | CN2678295Y Radio earphone with calling vibration function |
| 02/09/2005 | CN2678294Y Multiple sound channels earphone |
| 02/09/2005 | CN2678270Y Handfree two-purpose earphone of mobile phone |
| 02/09/2005 | CN1578542A Conference device and method for multi-point communication |
| 02/08/2005 | US6853732 Center channel enhancement of virtual sound images |
| 02/08/2005 | US6851512 Modular microphone array for surround sound recording |
| 02/03/2005 | WO2005011067A1 Speaker cable plug and speaker terminal for receiving such plug, and speaker terminal system using such plug and terminal |
| 02/03/2005 | US20050025326 Modular speaker system for a portable electronic device |
| 02/03/2005 | US20050025318 Reproduction system for video and audio signals |
| 02/02/2005 | EP1502476A1 Signal transmission system |
| 02/02/2005 | CN1575045A Apparatus for generating surround signal from two-channel stereo signal |
| 02/02/2005 | CN1572577A Sound system with equalization for a convertible automobile |
| 02/02/2005 | CN1187906C Method and device for producing a virtual speaker having a certain distance from sound source |
| 02/01/2005 | CA2159207C Unidirectional ear microphone with multiple openings |
| 01/27/2005 | US20050018857 Wired, wireless, infrared, and powerline audio entertainment systems |
| 01/27/2005 | US20050018856 System and method for controlling audio signals for playback |
| 01/27/2005 | US20050018039 Conference device and method for multi-point communication |
| 01/27/2005 | DE202004014069U1 System for distributing two audio channels to three electroacoustic transducers uses only two audio end stages; optional electrical audio source of one of two audio channels is electrically multiplied by -1 (phase rotation) |
| 01/27/2005 | DE19925843B4 Verfahren und Vorrichtung zur Erzeugung eines Datenträgers für ein akustisches Signal und Datenträger für ein akustisches Signal Method and apparatus for generating a data carrier for an acoustic signal and data carrier for an acoustic signal |
| 01/26/2005 | EP1500299A1 Loudspeaker system |
| 01/26/2005 | EP1186155B1 Loudspeaker volume range control |
| 01/26/2005 | CN2674812Y Loadspeaker matching apparatus for multiple rooms |
| 01/26/2005 | CN2674811Y Earphone with length adjustable wire |
| 01/26/2005 | CN2674810Y Adjustable micro-supra-aural earphone |
| 01/26/2005 | CN1572124A Modular headset for cellphone or mp3 player |
| 01/25/2005 | US6847725 Radio, infrared, and audio assistive listening device |
| 01/25/2005 | US6847724 Electronic device with storable earphone |
| 01/25/2005 | US6847411 Modular television for providing a distinguishable sound according to a selection of a module and/or a module function |
| 01/25/2005 | US6845840 Surface mounted loudspeaker and bracket for the mounting thereof |
| 01/20/2005 | US20050013442 Sound field control system and sound field control method |
| 01/20/2005 | DE202004011978U1 Cable for connecting loudspeaker boxes connects boxes in series, parallel per channel; stereo chain leads to amplifier output; there is additional earth connection between left, right stereo channels |
| 01/19/2005 | EP1499161A2 Sound field control system and sound field control method |
| 01/19/2005 | EP1498008A1 Method and device for reducing high frequency error components of a multi-channel modulator |
| 01/19/2005 | EP1236375B1 Flat loudspeaker system for bass reproduction |
| 01/19/2005 | CN2673017Y Radio ear phone |
| 01/19/2005 | CN2673016Y Hand held electronic device with learing-aid function |
| 01/19/2005 | CN1568091A Shockproof automobile audio system and manufacturing method thereof |
| 01/19/2005 | CN1568090A Head weared multitrack surround sound earphone |
| 01/19/2005 | CN1185787C Switchable voltage follower and bridge driving circuit unit with the follower |
| 01/13/2005 | WO2005004534A1 The production of augmented-reality audio |
| 01/13/2005 | WO2005004531A1 Omnidirectional stereo loudspeaker |
| 01/13/2005 | WO2005004360A1 Device for controlling audio data output |
| 01/13/2005 | US20050008184 Headset |
| 01/13/2005 | US20050008167 Device for picking up/reproducing audio signals |
| 01/13/2005 | US20050008165 Automated system for adjusting line array speakers |
| 01/12/2005 | EP1496721A2 Flat display apparatus |
| 01/12/2005 | EP1496680A1 Conference system and method applying HRTF-filter |
| 01/12/2005 | EP1495655A1 Sound reproduction employing unity summation aperture loudspeakers |
| 01/12/2005 | CN2671274Y Wireless earphone |
| 01/06/2005 | WO2005002199A2 System and method for delivering audio-visual content along a customer waiting line |
| 01/06/2005 | WO2005002064A2 Handheld electronics devices with multiple user sensory transducers and methods |
| 01/06/2005 | WO2004095880A3 Sound and/or image reproduction unit, and use of a removable operator panel |
| 01/06/2005 | US20050004792 Speech characteristic extraction method speech charateristic extraction device speech recognition method and speech recognition device |
| 01/06/2005 | CA2528588A1 System and method for delivering audio-visual content along a customer waiting line |
| 01/05/2005 | EP1494364A1 Device for controlling audio data output |
| 01/05/2005 | EP1493627A1 Speaker device mounted to vehicle door and vehicle door |
| 01/05/2005 | DE10327053A1 Audio system, especially for a vehicle interior, has a signal processor that receives a signal from a microphone integrated in a headset and processes it in conjunction with audio source signals to remove unwanted background noise |
| 01/05/2005 | CN2669539Y Foreign language teaching listening comprehesion wireless earphone |
| 01/05/2005 | CN1561142A 3D8-A stereo amplifying system |
| 01/05/2005 | CN1183800C Multi-channel headphones |
| 01/05/2005 | CN1183691C Acoustic heterodyne device and method |
| 01/04/2005 | US6839447 Synchronized binaural hearing system |
| 12/30/2004 | US20040264729 Vehicle-mounted speaker device and door panel |
| 12/30/2004 | US20040264728 Electronic device with loudspeaker |
| 12/30/2004 | US20040264717 Audio reproduction apparatus |
| 12/30/2004 | US20040264708 Wireless speaker system suitable for hard-wired audio system |
| 12/30/2004 | US20040264703 Audio signal recording apparatus |
| 12/29/2004 | CN2667837Y Headphone with wire hanging function |
| 12/29/2004 | CN2667823Y Variable frequency automatic radio frequency modulated ear phone remote controller |
| 12/29/2004 | CN1558698A Automatic switching on/off type active earphone |
| 12/23/2004 | WO2004112427A1 Embedded stereo microphone assembly for mobile phone |
| 12/23/2004 | WO2004112425A1 Audio amplifier with local interface system |
| 12/23/2004 | WO2004112423A2 Headphones for 3d sound |
| 12/23/2004 | WO2004112359A1 Headset wire |
| 12/23/2004 | US20040260416 Audio amplifier local interface system |
| 12/23/2004 | US20040258265 Portable lock-down listening display station |
| 12/23/2004 | US20040258259 Acoustic apparatus and acoustic setting method |
| 12/23/2004 | US20040258254 Automotive audio system adapted to roadway conditions |
| 12/23/2004 | US20040258253 Automatic turn-on and turn-off control for battery-powered headsets |
| 12/23/2004 | DE10156954B4 Bildgestützte adaptive Akustik Image-guided adaptive acoustic |
| 12/22/2004 | EP1489886A2 Acoustic apparatus and acoustic setting method |
| 12/22/2004 | EP1489820A1 Headset wire and headset |
| 12/22/2004 | EP1488662A1 Active audio compressing in telecommunication |