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Class Information
Number: 381/105
Name: Electrical audio signal processing systems and devices > Including amplitude or volume control > Remote
Description: Subject matter where the amplitude or volume is controlled by at least one or more devices from a remote point.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609840 |
System and method for hierarchical audio conflict control |
Oct. 27, 2009 |
| 7599503 |
Audio output level setting method and device |
Oct. 6, 2009 |
| 7567679 |
System and method for controlling sound volume |
Jul. 28, 2009 |
| 7457424 |
Electronic volume device and remote controller thereof |
Nov. 25, 2008 |
| 7428310 |
Audio output adjusting device of home theater system and method thereof |
Sep. 23, 2008 |
| 7379552 |
Smart speakers |
May. 27, 2008 |
| 7283802 |
Remote control system |
Oct. 16, 2007 |
| 7236600 |
Transmission of power and/or signalling between an audio distribution unit and a plurality of remote audio transducers |
Jun. 26, 2007 |
| 7216221 |
Method and system for unified audio control on a personal computer |
May. 8, 2007 |
| 7110558 |
Systems and methods for automatically adjusting the volume of an audio source |
Sep. 19, 2006 |
| 7103176 |
Direct coupling of telephone volume control with remote microphone gain and noise cancellation |
Sep. 5, 2006 |
| 6954538 |
Remote control apparatus and a receiver and an audio system |
Oct. 11, 2005 |
| 6940986 |
Apparatus and method for remotely and automatically controlling the volume of audio signals produced by a remotely controlled audio device |
Sep. 6, 2005 |
| 6396549 |
Remote controller for a multi-device television receiving system providing channel number auto-completion, presettable audio hush level and base channel auto-reaffirm |
May. 28, 2002 |
| 6389139 |
Powered volume control for distributed audio system |
May. 14, 2002 |
| 6336219 |
Audiovisual reproduction system |
Jan. 1, 2002 |
| 6091322 |
Trunk monitoring system |
Jul. 18, 2000 |
| 6049268 |
Vehicle remote control system with less intrusive audible signals and associated methods |
Apr. 11, 2000 |
| 5856792 |
Interrupt driven method of remote control |
Jan. 5, 1999 |
| 5777571 |
Remote control device for voice recognition and user identification restrictions |
Jul. 7, 1998 |
| 5745582 |
Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system |
Apr. 28, 1998 |
| 5577128 |
Audio distribution system with controllable volume override |
Nov. 19, 1996 |
| 5359576 |
Voice activated target launching system with automatic sequencing control |
Oct. 25, 1994 |
| 5317558 |
Electronic volume varying apparatus restricted by muting mode |
May. 31, 1994 |
| 5313524 |
Self-contained active sound reproducer with switchable control unit master/slave |
May. 17, 1994 |
| 5247580 |
Voice-operated remote control system |
Sep. 21, 1993 |
| 5222150 |
Volume control circuit |
Jun. 22, 1993 |
| 5191620 |
Method for controlling volume level of sound for a display |
Mar. 2, 1993 |
| 5162832 |
Automatic release camera |
Nov. 10, 1992 |
| 5144114 |
Volume control apparatus |
Sep. 1, 1992 |
| 5050214 |
Remote control circuit |
Sep. 17, 1991 |
| 4862159 |
Centralized system for selecting and reproducing perceptible programs |
Aug. 29, 1989 |
| 4845751 |
Wireless stereo headphone |
Jul. 4, 1989 |
| 4845775 |
Loudspeaker reproduction apparatus in vehicle |
Jul. 4, 1989 |
| 4837832 |
Electronic hearing aid with gain control means for eliminating low frequency noise |
Jun. 6, 1989 |
| 4821329 |
Audio switch device with timed insertion of substitute signal |
Apr. 11, 1989 |
| 4790019 |
Remote hearing aid volume control |
Dec. 6, 1988 |
| 4777529 |
Auditory subliminal programming system |
Oct. 11, 1988 |
| 4712247 |
Electro-acoustic system having a variable reflection/absorption characteristic |
Dec. 8, 1987 |
| 4621374 |
Circuit arrangement for processing, transmitting, and acoustically reproducing digitized audio-frequency signals |
Nov. 4, 1986 |
| 4528686 |
Fader circuit for vehicle sound system |
Jul. 9, 1985 |
| 4504933 |
Apparatus and method for producing sound images derived from the movement of people along a walkway |
Mar. 12, 1985 |
| 4434325 |
Volume control for an audio apparatus |
Feb. 28, 1984 |
| 4425477 |
Telephone line triggered attenuator |
Jan. 10, 1984 |
| 4418599 |
Electronic signal level control apparatus for acoustical-electrical transducer instrument |
Dec. 6, 1983 |
| 4371750 |
Microphone and remote control system |
Feb. 1, 1983 |
| 4228402 |
Device for remote control of stereo hi-fi amplifier parameters |
Oct. 14, 1980 |
| 4168399 |
Paging encoder system utilizing a telephone line link |
Sep. 18, 1979 |
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