Patents for H04R 5 - Stereophonic arrangements (11,598) |
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06/24/1997 | US5642427 Integrated circuit for audio enhancement system |
06/24/1997 | US5642426 Integral radio and infrared assistive listening device |
06/24/1997 | US5642424 Device for connecting external sound generator |
06/17/1997 | US5640458 Audio signal reproducing apparatus |
06/12/1997 | WO1997021323A1 Headset with a resonant effect |
06/12/1997 | WO1997021322A1 Portable speakers with phased arrays |
06/11/1997 | CN1151657A Audio induced interference suppression apparatus for video display appliances |
06/05/1997 | WO1997020450A1 Stereo loudspeaker system |
06/04/1997 | EP0776593A1 Method and apparatus for spatially enhancing stereo and monophonic signals |
06/04/1997 | CN1151077A Method for reproducing audio signals and apparatus therefor |
05/28/1997 | EP0775431A1 Multi-channel headset with controlled sound-emission characteristics |
05/28/1997 | EP0728403A4 Voice transmission adaptor assembly |
05/28/1997 | CN1150744A Headphone |
05/27/1997 | US5633943 Audio system for a personal computer |
05/27/1997 | US5633938 Audio track mixing processor |
05/20/1997 | US5631449 Audio transmission device for mounting in a monitor of a computer system |
05/14/1997 | EP0773701A2 Portable loudspeaker/directional microphone peripheral |
05/14/1997 | EP0773700A2 Portable loudspeaker/directional microphone peripheral |
05/14/1997 | EP0772952A1 An audio interface garment and communication system for use therewith |
05/14/1997 | CA2185594A1 Portable loudspeaker/directional microphone peripheral |
05/07/1997 | EP0772372A1 Loudspeaker device for video monitor and video monitor with loudspeaker device |
05/07/1997 | DE19645046A1 Unterdrückungsvorrichtung für audioinduzierte Interferenzen für Videoanzeigevorrichtungen Suppression device for audio induced interference for video display devices |
05/06/1997 | US5627901 Directional microphone for computer visual display monitor and method for construction |
05/01/1997 | WO1997016048A1 Sound reproduction system for vehicles |
05/01/1997 | WO1997009852A3 Visual display means incorporating loudspeakers |
04/23/1997 | EP0769874A1 Audio amplifier arrangement for more than two reproduction channels |
04/15/1997 | US5621804 Composite loudspeaker apparatus and driving method thereof |
04/09/1997 | EP0645070B1 Stereophonic sound reproduction device using several loudspeakers in each channel |
04/08/1997 | US5619582 Enhanced concert audio process utilizing a synchronized headgear system |
04/03/1997 | WO1997009853A3 Display screens incorporating loudspeakers |
04/02/1997 | EP0766495A2 Arrangement for reproducing a plurality of acoustic signal sources in an enclosed space |
04/01/1997 | US5617478 Sound reproduction system and a sound reproduction method |
04/01/1997 | US5617477 Personal wearable communication system with enhanced low frequency response |
03/27/1997 | WO1997011574A1 Earphones with eyeglass attachments |
03/27/1997 | WO1997011573A1 Acoustically transparent earphones |
03/20/1997 | DE19534400A1 Retractable loudspeakers for use in road vehicles |
03/20/1997 | DE19534188A1 Cordless transmission device adapting method especially to ETSI appropriate frequency band |
03/19/1997 | CN2250000Y Speaker box of TV receiver |
03/18/1997 | US5612516 Enclosure for multiple vehicular audio speakers |
03/18/1997 | CA2117545C Voice canceler with simulated stereo output |
03/13/1997 | WO1997009853A2 Display screens incorporating loudspeakers |
03/13/1997 | WO1997009852A2 Visual display means incorporating loudspeakers |
03/13/1997 | WO1997009851A1 In-home theater surround sound speaker system |
03/13/1997 | WO1997009850A1 Headset with ear cushion and means for limiting the compression of the cushion |
03/13/1997 | WO1997009844A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements |
03/13/1997 | WO1997009842A2 Acoustic device |
03/13/1997 | WO1997009698A1 A vending machine |
03/13/1997 | CA2234944A1 Display screens incorporating loudspeakers |
03/13/1997 | CA2230459A1 A vending machine |
03/13/1997 | CA2230155A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements |
03/13/1997 | CA2230075A1 Visual display means incorporating loudspeakers |
03/13/1997 | CA2214045A1 In-home theater surround sound speaker system |
03/12/1997 | EP0762803A2 Headphone device |
03/11/1997 | US5610992 Portable electronic device having a ported speaker enclosure |
03/05/1997 | CN2248959Y Desk type microphone with positioning structure |
03/04/1997 | US5608806 Audio speaker mounts for off-road vehicles |
02/27/1997 | WO1997007597A1 Plug-in computer card with internal audio speaker element |
02/27/1997 | DE19530138A1 Multichannel audio system with central unit |
02/19/1997 | CN2247918Y 头戴式耳机 Headset |
02/19/1997 | CN2247917Y Honeycomb audio amplifier |
02/18/1997 | US5604813 Industrial headset |
02/18/1997 | US5604809 Sound field control system |
02/18/1997 | US5604337 Loudspeaker arrangement in television receiver cabinet |
02/13/1997 | WO1997005755A1 Acoustic correction apparatus |
02/13/1997 | WO1997005698A1 Automatically switched equalization circuit |
02/12/1997 | EP0757883A1 Headset and method for making same |
02/05/1997 | CN1142159A Device for preventing image-jitter resulted from output of acoustic amplifier of image displayer |
02/04/1997 | US5600730 Swimming training device |
02/04/1997 | US5600727 Determination of position |
01/30/1997 | WO1997003433A1 Apparatus for providing image with sound |
01/30/1997 | CA2198367A1 Apparatus for presenting picture along with sound |
01/29/1997 | EP0756437A2 Acoustic correction apparatus |
01/23/1997 | WO1997002719A1 Audio signal reproduction apparatus |
01/22/1997 | CN1140970A Loudspeaker device and television receiver using device |
01/22/1997 | CN1140968A Headphone reproducing apparatus |
01/08/1997 | EP0752193A1 Audio device |
01/07/1997 | US5592558 Sound reproduction device |
01/04/1997 | CA2180036A1 Combination earmuff radio headset (original radio earmuffs) |
01/03/1997 | WO1997000594A1 Method and apparatus for spatially enhancing stereo and monophonic signals |
12/31/1996 | US5590094 System and methd for reproducing sound |
12/25/1996 | CN2243756Y Earphone with round voice |
12/24/1996 | US5588063 Personal multimedia speaker system |
12/19/1996 | WO1996041497A1 Sampled chamber transducer with enhanced low frequency response |
12/19/1996 | WO1996041496A1 Wearable audio system with enhanced performance |
12/18/1996 | EP0749264A1 Loudspeaker |
12/18/1996 | CN2243155Y Stereophonic voice box |
12/12/1996 | DE19521057A1 Adaptor for connecting different plug connectors for entertainment- and audio-electronics |
12/11/1996 | EP0746958A1 Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus |
12/11/1996 | EP0746393A1 Dual output multi function interface device for audio systems |
12/10/1996 | US5583942 Device of the dummy head type for recording sound |
12/10/1996 | US5583743 Appliance housing and speakers mounted thereto |
12/05/1996 | DE19518862C1 Anti=distortion device for multi=channel signals |
12/04/1996 | EP0745364A2 Ear protection device |
12/03/1996 | US5581627 Convertible cover headphones |
12/03/1996 | US5581626 Automatically switched equalization circuit |
11/27/1996 | EP0744881A2 Headphone reproducing apparatus |
11/27/1996 | EP0744880A1 Loudspeaker device and television receiver using the device |
11/21/1996 | WO1996037085A1 Loudspeaker device for video monitor and video monitor with loudspeaker device |
11/21/1996 | DE19620010A1 Loudspeaker system with satellite housing |
11/20/1996 | EP0743640A2 Audio processing unit for mixing L channel and R channel of CD/CD-I audio signal |