Patents for H04R 5 - Stereophonic arrangements (11,598) |
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11/19/1997 | EP0808075A2 Audio reproduction systems |
11/19/1997 | EP0807366A1 In-home theater surround sound speaker system |
11/18/1997 | US5689574 Integral sound module for a modular monitor |
11/17/1997 | WO1997043852A1 Television receiver with doors for its display screen which doors contain loudspeakers |
11/13/1997 | WO1997041761A1 A pillow radio apparatus |
11/11/1997 | US5687246 Headpiece or headrest comprising a personal proximity sound rig |
11/11/1997 | US5687245 Sampled chamber transducer with enhanced low frequency response |
11/11/1997 | US5687244 Bone conduction speaker and mounting system |
11/11/1997 | US5687230 Device for mobile telephones |
11/06/1997 | WO1997041709A1 Audio system that can be mounted on the body of a user |
11/06/1997 | DE19713897A1 Videoanzeigegerät mit einem Mechanismus zum Haltern eines Lautsprechers A video display apparatus with a mechanism for supporting a loudspeaker |
11/06/1997 | DE19618019A1 Transmission parameter adjustment arrangement for acoustic hearing arrangement |
11/06/1997 | DE19618017A1 Acoustic hearing arrangement for simulating human hearing defects |
11/06/1997 | DE19618016A1 Realistic acoustic hearing arrangement for selection of hearing aid |
11/05/1997 | EP0723733A4 Microphone system for teleconferencing system |
11/04/1997 | US5684879 Combination head mounted speaker assembly and multi-channel audio processing system |
10/30/1997 | WO1997040642A1 Six-axis surround sound processor with automatic balancing and calibration |
10/30/1997 | DE19616870A1 Am Körper eines Benutzers lagerbare Schallwiedergabevorrichtung The body of a user storable sound reproducing apparatus |
10/29/1997 | EP0803792A2 Notebook computer speakers |
10/29/1997 | EP0803170A1 Integral radio and infrared assistive listening device |
10/29/1997 | CN1163549A Loudspeaker system for TV set |
10/29/1997 | CN1163548A Loudspeaker system |
10/29/1997 | CN1163547A Loud speaker system for TV set |
10/28/1997 | US5682434 Wearable audio system with enhanced performance |
10/28/1997 | US5682290 Portable computer having loudspeakers in enclosures formed by gaskets located between a keyboard, a printed circuit board, and a frame |
10/28/1997 | US5682021 In a video display appliance |
10/22/1997 | EP0801785A1 Industrial headset |
10/22/1997 | CN1036238C Radio selective call receiver |
10/21/1997 | US5680465 Personal portable communication device |
10/16/1997 | WO1997038553A1 Acoustic system |
10/15/1997 | EP0801514A2 Video unit support base with built-in acoustic functions |
10/14/1997 | US5677957 Audio circuit producing enhanced ambience |
10/09/1997 | DE19613088A1 Headphones for multi-channel playback |
10/08/1997 | CN1036108C 传声器 Microphone |
10/07/1997 | US5675655 Sound input apparatus |
10/07/1997 | US5675426 Television receiver with doors for its display screen which doors contain loudspeakers |
10/07/1997 | US5675131 Speaker system and the same for television sets |
10/01/1997 | CN2263858Y Earphone |
10/01/1997 | CN1160976A Ceramic and purple-sand sounder resonator |
09/30/1997 | US5673326 Audio bass speaker driver circuit |
09/25/1997 | DE19610997A1 Elektrodynamischer Schallwandler mit Magnetspaltenabdichtung An electrodynamic transducer with magnetic seal columns |
09/24/1997 | CN2263428Y 180 degree wide range radiation loundspeaker box |
09/18/1997 | WO1997034441A1 Process and device for transmitting sound |
09/18/1997 | CA2248019A1 Process and device for transmitting sound |
09/17/1997 | EP0677234B1 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space |
09/17/1997 | CN1035917C Microphone of video camera |
09/16/1997 | US5668884 Enhanced concert audio system |
09/16/1997 | US5668882 Notebook computer speakers |
09/16/1997 | US5668859 Apparatus and method for connecting remote callers to loudspeakers or other projecting means in an event facility |
09/12/1997 | WO1997033451A1 Movement actuator |
09/10/1997 | EP0793896A1 Audio signal reproduction apparatus |
09/10/1997 | CN2262323Y Cylinder type loud speaker box |
09/10/1997 | CN1035858C Car audio system with high signal output |
09/09/1997 | US5666658 Wireless signal transmission system, method and apparatus |
09/09/1997 | US5666433 Microphone & loudspeaker system |
09/09/1997 | US5666428 For use in a facility |
09/09/1997 | US5666425 Plural-channel sound processing |
09/09/1997 | US5666424 Six-axis surround sound processor with automatic balancing and calibration |
09/09/1997 | US5666422 Remote speaker for surround-sound applications |
09/09/1997 | US5666263 Attaching a speaker to a computer component |
09/04/1997 | WO1997032450A1 Amplified bicycle sound system |
09/04/1997 | CA2248267A1 Amplified bicycle sound system |
09/03/1997 | EP0792566A1 Loudspeaker-lamp combination |
09/03/1997 | CN1158535A Speakers system of television |
09/02/1997 | US5664021 Microphone system for teleconferencing system |
09/02/1997 | US5664020 Compact full-range loudspeaker system |
09/02/1997 | US5664019 Systems for feedback cancellation in an audio interface garment |
08/28/1997 | WO1997031439A1 Systems for feedback cancellation in an audio interface garment |
08/27/1997 | CN2261127Y Sound equipment with voltage feedforward current driven power amplifier |
08/27/1997 | CN1158047A image/audio reproducing system |
08/26/1997 | US5661812 Head mounted surround sound system |
08/26/1997 | US5661811 Rear seat audio control with multiple media |
08/21/1997 | WO1997030566A1 Sound recording and reproduction systems |
08/21/1997 | WO1997030564A1 Electronic acoustic device |
08/20/1997 | EP0789980A1 Global sound microphone system |
08/14/1997 | WO1997029550A1 Digital wireless speaker system |
08/14/1997 | CA2244191A1 Digital wireless speaker system |
08/06/1997 | CN1156350A Method and device for radio transmission |
08/05/1997 | US5655025 Circuit for automatically recognizing and receiving mono and stereo audio signals |
07/31/1997 | WO1997027724A1 Sound system |
07/30/1997 | CN2258681Y Loudspeaker casing |
07/30/1997 | CN1155824A Headphone device |
07/29/1997 | US5652798 Reverberant characteristic signal generation apparatus |
07/24/1997 | WO1997026715A1 Enhanced concert audio process utilizing a synchronized headgear system |
07/24/1997 | DE19609554C1 Transmission of tape-recorded music and speech to a listener |
07/24/1997 | CA2242397A1 Enhanced concert audio process utilizing a synchronized headgear system |
07/16/1997 | EP0783816A1 A camera and accessory |
07/16/1997 | EP0727133A4 Headset interface assembly |
07/10/1997 | WO1997009842A3 Acoustic device |
07/09/1997 | EP0783209A1 Method and apparatus for wireless transmission |
07/08/1997 | US5647016 Man-machine interface in aerospace craft that produces a localized sound in response to the direction of a target relative to the facial direction of a crew |
07/08/1997 | US5646378 Collapsible modular sound reproduction system |
07/02/1997 | EP0782369A2 Method and apparatus for controlling the output level of the loudspeakers in a vehicle |
07/02/1997 | EP0782368A2 Collapsible image derived differential microphone |
07/02/1997 | EP0781429A1 Micro personal digital assistant |
07/01/1997 | US5644109 Speaker enclosure |
06/26/1997 | WO1997023056A1 Power line audio system |
06/25/1997 | CN2257110Y Speaker system rack |
06/25/1997 | CN1152849A Portable loudspeaker/directional microphone peripheral |
06/24/1997 | US5642429 Sound reproduction system having enhanced low frequency directional control characteristics |