| Patents for H04R 5 - Stereophonic arrangements (11,598) |
|---|
| 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 |