Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 5 - Stereophonic arrangements
Patents for H04R 5 - Stereophonic arrangements (11,598)
11/1998
11/04/1998EP0875818A2 Portable computer with exposed speakers and associated sound control buttons
11/04/1998EP0875126A1 Surround sound processor with improved control voltage generator
11/03/1998US5832024 Digital wireless speaker system
10/1998
10/29/1998WO1998033356A3 Method and apparatus for electronically embedding directional cues in two channels of sound
10/28/1998EP0873667A1 Sound system
10/28/1998EP0873606A1 Systems for feedback cancellation in an audio interface garment
10/27/1998US5828755 Method and device for processing signals
10/21/1998EP0873040A2 Acoustic noise reducing
10/21/1998EP0872156A1 Stereo loudspeaker system
10/21/1998EP0872155A1 Portable speakers with enhanced low frequency response
10/21/1998EP0872154A1 An acoustical audio system for producing three dimensional sound image
10/21/1998CN1196863A Acoustic correction apparatus
10/21/1998CN1196653A Cross complementary voice box with low frequency lower limit and small distortion
10/21/1998CN1196650A Speaker apparatus
10/20/1998US5825900 Loudspeaker housing for video display appliance
10/20/1998US5825614 Compact personal computer with LCD monitor
10/14/1998EP0870369A1 Enhanced concert audio process utilizing a synchronized headgear system
10/13/1998US5822443 Speaker system for a television
10/13/1998US5822440 Enhanced concert audio process utilizing a synchronized headgear system
10/13/1998US5821468 For an ear cup in a noise attenuating headset
10/13/1998US5819346 Recreation utility pillow
10/07/1998EP0869697A2 A steerable and variable first-order differential microphone array
10/07/1998EP0869696A1 Stereo/telephone change-over transmitter/receiver
10/07/1998CN1195461A Display screens incorporating loudspeakers
10/07/1998CN1195455A Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
10/07/1998CN1195454A Acoustic device
10/06/1998US5818950 Speaker system and its support legs
10/06/1998US5818942 Multimedia stereo sound source
10/06/1998US5818342 Audio responsive visual device
10/01/1998WO1998043464A1 Personal computing devices comprising a resonant panel loudspeaker
10/01/1998WO1998042536A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
10/01/1998CA2286115A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
10/01/1998CA2284565A1 Personal computing devices comprising a resonant panel loudspeaker
09/1998
09/30/1998CN2293165Y Playback mechanism for portable stereo radio cassette player
09/30/1998CN1194762A Image display incorporating loudspeakers
09/30/1998CN1194568A Loudspeaker device
09/30/1998CN1194538A Method and device for remote-control television earphone
09/30/1998CN1194533A AV amplifier
09/29/1998US5815579 Portable speakers with phased arrays
09/24/1998WO1998042159A1 Center point stereo reproduction system for musical instruments
09/23/1998EP0866638A2 Audiovisual amplifier
09/23/1998CN2292360Y Frequency-divider for loudspeaker housing
09/22/1998US5812676 Near-field reproduction of binaurally encoded signals
09/22/1998US5812369 Audio producing apparatus
09/17/1998WO1998041014A1 Monitor has tubular loudspeaker reducing crt's mask vibrations
09/17/1998DE19712890A1 IR remote control system for acoustic signals given by loudspeaker system, preferably speaker box of HI-FI system
09/17/1998DE19710414A1 Method to determine airborne noise in vehicle passenger space resulting from travel
09/16/1998EP0865225A2 Terminal station for a transmission system
09/15/1998US5809153 Loudspeaker system
09/15/1998US5809150 Surround sound loudspeaker system
09/15/1998US5808704 Rear projection type image display apparatus
09/08/1998US5805716 For processing a received audio signal
09/08/1998US5805708 Speaker system for computer
09/02/1998EP0862351A2 Loudspeaker
09/02/1998EP0757883B1 Headset and method for making same
09/01/1998US5802194 Stereo loudspeaker system with tweeters mounted on rotatable enlongated arms
08/1998
08/27/1998WO1998037733A1 Loudspeakers in architectural form
08/18/1998US5796854 Thin film speaker apparatus for use in a thin film video monitor device
08/13/1998WO1998035529A2 Elastomeric dielectric polymer film sonic actuator
08/12/1998CN1190321A Sound resonator of stone material and its production
08/11/1998US5794201 Digital acoustic signal processing apparatus
08/11/1998US5794127 Headphone remote control for operating an entertainment center
08/11/1998US5793876 Method for the diffusion of a sound with a given density
08/11/1998US5793873 Sound capturing method and device
08/11/1998US5793000 Speaker system
08/05/1998EP0856238A1 Sound reproduction system for vehicles
08/04/1998US5790897 Plug-in computer card with internal audio speaker element
08/04/1998US5790644 Computer-to-telephone interface
07/1998
07/30/1998WO1998033356A2 Method and apparatus for electronically embedding directional cues in two channels of sound
07/28/1998US5787183 Microphone system for teleconferencing system
07/22/1998CN1188586A Acoustical audio system for producing three dimensional sound image
07/21/1998US5784478 Audible environment awareness restoring device
07/21/1998US5784477 System for the frontal localization of auditory events produced by stereo headphones
07/21/1998US5784476 Audio signal reproduction apparatus
07/21/1998US5784473 Sound system
07/21/1998US5784468 Spatial enhancement speaker systems and methods for spatially enhanced sound reproduction
07/08/1998EP0852105A1 Earphones with eyeglass attachments
07/08/1998EP0852104A1 Acoustically transparent earphones
07/08/1998CN1187087A Loudspeaker housing for video display appliance
07/07/1998US5778087 Method for stereo loudspeaker placement
07/07/1998US5778083 Multi-channel sound reproduction system
07/02/1998DE19654639A1 Loudspeaker arrangement for entertainment electronics
06/1998
06/25/1998WO1998027532A1 Distance warning system with improved direction indication
06/25/1998WO1998027516A1 Method and device for displaying an autostereogram
06/25/1998DE19740366C1 Frequency separating filter module system for loudspeaker box
06/25/1998DE19652930A1 Abstandswarnanlage mit verbesserter Richtungsanzeige Distance warning system with improved direction indicator
06/24/1998EP0848893A1 Headset with ear cushion and means for limiting the compression of the cushion
06/23/1998US5771304 Apparatus including a loudspeaker unit, loudspeaker unit, and housing for a loudspeaker unit
06/23/1998CA2049295C Acoustic signal reproducing apparatus
06/18/1998WO1998026631A1 Power supply for microphone
06/17/1998EP0848572A1 Acoustic system
06/17/1998EP0848571A2 Portable stereo sound system
06/17/1998EP0847670A1 Display screens incorporating loudspeakers
06/17/1998EP0847669A2 Visual display means incorporating loudspeakers
06/17/1998EP0847663A1 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
06/17/1998EP0847661A2 Acoustic device
06/17/1998EP0847567A1 A vending machine
06/17/1998CN1038805C Hi-fi sound-system voice-box without frequency divider
06/16/1998US5767787 Reduced size radio selective call receiver with a tactile alert capability by sub-audible sound
06/10/1998EP0847225A2 Electroacoustical transducing
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