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Class Information
Number: 348/738
Name: Television > Receiver circuitry > Sound circuit
Description: Subject matter including apparatus at the receiver specially designed to separate from the image signal component, detect or otherwise process the sound signal component of a received composite television signal.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7599503 Audio output level setting method and device Oct. 6, 2009
7586549 Video apparatus and method for controlling the same Sep. 8, 2009
7577337 Audio/video data recording/reproducing device and method, and audio/video data reproducing device and method Aug. 18, 2009
7558549 Method and system for rejecting single-sided leakage into an amplitude modulated (AM) channel Jul. 7, 2009
7555132 Apparatus and method for adjusting sound volume for televisions and other audio systems Jun. 30, 2009
7539316 Configurable filter for processing television audio signals May. 26, 2009
7532728 Mechanism for using the allpass decomposition architecture for the cauer low pass filter used in a BTSC May. 12, 2009
7522223 Audio signal delay apparatus and method Apr. 21, 2009
7518661 System and method of audio detection Apr. 14, 2009
7515212 Digital broadcast receiver Apr. 7, 2009
7515889 Scaling adjustment using pilot signal Apr. 7, 2009
7502073 Signal processor Mar. 10, 2009
7495711 Apparatus and method of setting sound mode Feb. 24, 2009
7477325 Audio/video separator Jan. 13, 2009
7477326 HDTV chip with a single IF strip for handling analog and digital reception Jan. 13, 2009
7468755 Video signal receiving device and video signal receiving method Dec. 23, 2008
7468763 Method and apparatus for digital MTS receiver Dec. 23, 2008
7466959 Apparatus and method for IF switching in a dual-tuner, dual-IF, HD radio and FM/AM radio receiver Dec. 16, 2008
7457420 Method and system for detecting signal modes in a broadcast audio transmission Nov. 25, 2008
7409461 Dynamic file-based routing in a broadband communications system Aug. 5, 2008
7398207 Methods and systems for determining audio loudness levels in programming Jul. 8, 2008
7369185 Broadcast receiving apparatus and method having volume control May. 6, 2008
7356311 Wireless audio signal and control signal device and method thereof Apr. 8, 2008
7289168 Video processing device Oct. 30, 2007
7259795 Method for selecting an audio language of a set-top box and medium including computer readable code controlling a computer to perform the same Aug. 21, 2007
7239357 Digital IF demodulator with carrier recovery Jul. 3, 2007
7227591 Apparatus and method for receiving television and radio broadcasting signals using a single tuner Jun. 5, 2007
7212253 Home entertainment system audio handling May. 1, 2007
7161637 Program restart and commercial ending notification method and system Jan. 9, 2007
7145610 Receiving method and apparatus of analog television signals technical field Dec. 5, 2006
7146018 Multichannel acoustic signal reproducing apparatus Dec. 5, 2006
7075592 Audio signal adjusting apparatus Jul. 11, 2006
7068321 Television receiving apparatus Jun. 27, 2006
7068322 Broadcasting receiver Jun. 27, 2006
7039941 Low distortion passthrough circuit arrangement for cable television set top converter terminals May. 2, 2006
7030939 Television tuner unit with reduced area for mounting on mother board Apr. 18, 2006
7019791 Video processing device Mar. 28, 2006
7012653 Program restart and commercial ending notification method and system Mar. 14, 2006
7012652 Audio hush for entertainment equipment and particularly television receivers Mar. 14, 2006
7002638 Automatic gain control Feb. 21, 2006
6975738 Television system with digital sound Dec. 13, 2005
6940563 Language switching method and digital broadcast receiver using the method Sep. 6, 2005
6924845 Value added digital video receiver Aug. 2, 2005
6909471 Audio volume control Jun. 21, 2005
6879349 Broadcasting receiver with automatic audio selection function Apr. 12, 2005
6867820 Method for displaying audio settings menu of display apparatus Mar. 15, 2005
6862044 Digital broadcast receiving apparatus for restoring and synchronizing sound and image data and control method thereof Mar. 1, 2005
6859238 Scaling adjustment to enhance stereo separation Feb. 22, 2005
6829018 Three-dimensional sound creation assisted by visual information Dec. 7, 2004
6829017 Specifying a point of origin of a sound for audio effects using displayed visual information from a motion picture Dec. 7, 2004

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