Patents for H04R 5 - Stereophonic arrangements (11,598) |
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05/05/1995 | CA2114076A1 System for generating and imparting sounds to a fetus |
04/26/1995 | EP0442912B1 Loudspeaker arrangement |
04/25/1995 | US5410735 Wireless signal transmission systems, methods and apparatus |
04/19/1995 | EP0649269A1 Speaker enclosure with extended range of diffusion |
04/18/1995 | CA2016301C Image derived directional microphones |
04/13/1995 | WO1995010164A1 Microphone system for teleconferencing system |
04/13/1995 | WO1995010163A1 Loudspeaker system |
04/05/1995 | CN1101203A Anti-noise earphone |
04/05/1995 | CN1101202A Asymmeirical tranducing |
03/30/1995 | WO1995008884A2 Dual output multi function interface device for audio systems |
03/30/1995 | CA2171480A1 Dual output multi function interface device for audio systems |
03/28/1995 | US5402502 Loudspeaker unit |
03/22/1995 | EP0643882A1 Passive selective headset |
03/21/1995 | US5400408 High performance stereo sound enclosure for computer visual display monitor and method for construction |
03/21/1995 | US5398992 Seat having sound system with acoustic waveguide |
03/16/1995 | DE4431873A1 Fahrzeug-Audioanlage Vehicle audio system |
03/15/1995 | EP0584299A4 Improved audio distribution system. |
03/09/1995 | WO1995006573A1 Device for mobile telephones |
03/09/1995 | DE4422500A1 Decorative column for accommodating a subwoofer system |
03/08/1995 | EP0642292A2 Device for sonic stereo reproduction |
03/01/1995 | EP0641143A2 Method for simulating spatial and/or sonic impression |
03/01/1995 | EP0639962A1 Hands free noise canceling headset |
03/01/1995 | CN2190844Y Multifunction sound track changing ear phone |
02/28/1995 | US5394478 Low frequency sound generation system for use in vehicular passenger compartments |
02/23/1995 | WO1995005724A1 Spatial sound reproduction system |
02/22/1995 | EP0639317A1 Loudspeaker system |
02/16/1995 | WO1995005057A1 Loudspeaker |
02/08/1995 | CN1098539A Sound system gain and equalization circuit |
02/07/1995 | US5388162 Sound innovation speaker system |
02/01/1995 | EP0637189A2 Audio signal processing circuit |
02/01/1995 | EP0637188A1 A sound recording system |
01/31/1995 | US5386473 Passive surround sound circuit |
01/26/1995 | DE4424192A1 Electronic device for generating three-dimensional acoustic effects |
01/19/1995 | WO1995002310A1 Headphone assembly |
01/18/1995 | EP0634881A1 Determination of position |
01/11/1995 | CN2187362Y Positioning adjuster for speakers |
01/10/1995 | US5381486 Communications headset having a universal joint-mounted microphone boom |
01/05/1995 | WO1995001078A1 Computer visual display monitor with integral stereo speaker and directional microphone and method for construction |
01/05/1995 | WO1995001077A1 High performance stereo sound enclosure for computer visual display monitor |
01/05/1995 | DE4320976A1 Safety telephone set for transmitting and receiving speech in motor vehicles and cabins |
01/04/1995 | EP0631709A1 Dual element headphone |
12/22/1994 | WO1994030029A1 Hybrid noise cancellation system for headsets |
11/24/1994 | WO1994027416A1 Stereophonic reproduction method and apparatus |
11/24/1994 | WO1994027397A1 Computer-to-telephone interface |
11/22/1994 | US5367506 Sound collecting system and sound reproducing system |
11/16/1994 | CN1026634C 回声添加电路 Echo adding circuit |
11/10/1994 | WO1994026075A1 Tracking platform system |
11/09/1994 | EP0624047A1 Asymmetrical transducing |
11/08/1994 | US5363434 Audio distribution system |
11/02/1994 | EP0622896A1 Sound system gain and equalization circuit |
11/01/1994 | US5361381 Dynamic equalizing of powered loudspeaker systems |
11/01/1994 | US5361380 Woofer module for use in a television set |
11/01/1994 | US5361378 Camcorder stereo mic/phones |
10/29/1994 | CA2121299A1 Sound system gain and equalization circuit |
10/27/1994 | DE4313256A1 Method for suppressing feedback in the case of hall or large-field audio systems and circuit arrangement for carrying out the method |
10/18/1994 | US5357585 Headphone assembly |
10/17/1994 | EP0639317A4 Loudspeaker system. |
10/13/1994 | WO1994023520A1 Unidirectional ear microphone with multiple openings |
10/11/1994 | US5355419 On-vehicle audio system reproducing bodily-sensible sounds |
09/29/1994 | WO1994022278A1 Plural-channel sound processing |
09/29/1994 | CA2158451A1 Plural-channel sound processing |
09/21/1994 | CN1092590A Television receiver with stereo speakers |
09/20/1994 | US5349639 Automatic electronic audio signal attenuating device and method therefor |
09/20/1994 | US5349386 Wireless signal transmission systems, methods and apparatus |
09/08/1994 | DE4309492C1 Internal roof-bracket for motor vehicles, in particular for utility vehicles derived from passenger vehicles |
09/07/1994 | EP0614314A1 Audiovisual equipment and casing thereof and method of producing the same |
08/31/1994 | EP0613320A2 Wireless headphones |
08/18/1994 | WO1994015439A3 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space |
08/18/1994 | DE4403723A1 Microphone for a video camera |
08/16/1994 | US5339461 Compact radio frequency receiver having take-up spool housed earphone conductors |
08/04/1994 | WO1994017513A1 Earpiece for active noise cancelling headset |
08/04/1994 | DE4302572A1 Eye operating arrangement for eg. teddy bear |
08/03/1994 | EP0484354B1 Stereo headphone for the "in front" location of auditory events generated by stereo headphones |
07/27/1994 | EP0607693A2 Method and apparatus for diagnosing AMP to Speaker Connections |
07/26/1994 | US5333206 Dual element headphone |
07/26/1994 | US5333202 Multidimensional stereophonic sound reproduction system |
07/07/1994 | WO1994015439A2 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space |
07/07/1994 | CA2152611A1 Method of polarizing acoustic fields in particular with the aim of achieving an extrelmely broad, non-localized and spatial stereo effect requiring little space |
07/06/1994 | EP0605224A1 Television set speaker system |
06/30/1994 | DE4244397A1 Method for reproducing acoustic wave fields |
06/28/1994 | US5325436 Method of signal processing for maintaining directional hearing with hearing aids |
06/21/1994 | US5323468 Bone-conductive stereo headphones |
06/14/1994 | US5321763 Body sense speaker |
06/14/1994 | US5321756 Loudspeaker system with sonically powered drivers and centered feedback loudspeaker connected thereto |
06/08/1994 | EP0600677A1 Cinefilm and recording and reproduction thereof |
05/31/1994 | CA1329911C Sound imaging method and apparatus |
05/25/1994 | CN2166566Y 传声器 Microphone |
05/24/1994 | US5313678 Acoustical pillow |
05/18/1994 | CN2165590Y Wall loudspeaker free running preventing device |
05/11/1994 | WO1994010816A1 Methods and apparatus for producing directional sound |
05/11/1994 | DE4242033C1 Domestic TV receiver cabinet - has lower part of reduced width for accommodating left and right loudspeaker boxes |
05/11/1994 | CN2164624Y Eight-function audio apparatus |
04/21/1994 | DE4324497A1 Remote control unit e.g. for computer network - provides on-off switching, power control, and remote operation acoustically for various electrical installations |
04/20/1994 | CN1024312C Apparatus & method thereof for improvement of stereophonic sound |
04/19/1994 | US5305388 Bass compensation circuit for use in sound reproduction device |
04/13/1994 | CN2162063Y Headphone for recording and playing |
04/12/1994 | US5303304 Camcorder having loudspeaker function |
04/07/1994 | DE4327540A1 Stereo headphone with transfer function - has comb filter sequence of cut=off levels in range of 1 KHz to 10 KHZ to guarantee forward location of audio events |
04/05/1994 | US5301237 Surround sound loudspeakers |
03/30/1994 | EP0589623A2 Headphone |