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