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Class Information
Number: 348/531
Name: Television > Synchronization > Sync separation > To produce distinct horizontal output
Description: Subject matter wherein the separating circuitry includes an output providing only a horizontal rate sync signal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8564722 Horizontal synchronization signal detection system and method Oct. 22, 2013
8253805 Horizontal synchronization detection device Aug. 28, 2012
8212925 Sync separation circuit Jul. 3, 2012
8059199 Synchronizing signal detection circuit Nov. 15, 2011
8035739 Transmission system Oct. 11, 2011
7705917 Method and circuit for extracting synchronization signals in a video signal Apr. 27, 2010
7701512 System and method for improved horizontal and vertical sync pulse detection and processing Apr. 20, 2010
7679679 Synchronous detector Mar. 16, 2010
7633552 Self-calibrating timing circuits for use in a sync separator Dec. 15, 2009
7583322 Television and adjustment method for the same Sep. 1, 2009
7483085 Digital implementation of analog TV receiver Jan. 27, 2009
7460133 Optimal hiding for defective subpixels Dec. 2, 2008
7423694 Self-calibrating timing circuits for use in a sync separator Sep. 9, 2008
RE40412 Synchronizing signal separating apparatus and method Jul. 1, 2008
RE40411 Synchronizing signal separating apparatus and method Jul. 1, 2008
7349032 Circuit to resize and enlarge an image signal and resizing and enlargement method for an image signal Mar. 25, 2008
7271843 Method and apparatus for analyzing a digitally converted analogue signal Sep. 18, 2007
7253844 Method and arrangement for synchronising on-screen display functions during analog signal reception Aug. 7, 2007
7184096 Method and circuit for providing a horizontal scan signal for a television set Feb. 27, 2007
7180550 Video reproducing apparatus and method and apparatus and method for adjusting horizontal synchronous signal Feb. 20, 2007
7176979 Synchronization pulse detection circuit Feb. 13, 2007
7173668 Equilibrium based horizontal sync detector for video decoder Feb. 6, 2007
7098961 Horizontal sync pulse detection for video signal decoding Aug. 29, 2006
7050111 Process and device for synchronizing a reference signal with respect to a video signal May. 23, 2006
6917387 Arrangement for time-correct combination of two data streams Jul. 12, 2005
6882360 Method and apparatus for determining a level of a video signal Apr. 19, 2005
6788351 Circuit and method for adjusting width of fly-back pulse in video signal processing unit realized in one chip Sep. 7, 2004
6741291 Synchronous signal detection with noise rejection May. 25, 2004
6704056 Horizontal deflection circuit and television receiver Mar. 9, 2004
6597403 System for generating horizontal synchronizing signal compatible with multi-scan Jul. 22, 2003
6559891 Method and apparatus to generate tri-level HDTV synchronization pulses May. 6, 2003
6392708 Horizontal display size compensation circuit for a monitor May. 21, 2002
6271889 Synchronization pulse detection circuit Aug. 7, 2001
6271888 Method for obtaining line synchronization information items from a video signal, and apparatus for carrying out the method Aug. 7, 2001
6259485 Sync separating circuit Jul. 10, 2001
6211920 Circuit for the treatment of synchronization signals Apr. 3, 2001
6141064 Luminance signal generation circuit with single clamp in closed loop configuration Oct. 31, 2000
6130719 Method and apparatus for accurately recovering the synchronization signals contained in composite video signals Oct. 10, 2000
6108043 Horizontal sync pulse minimum width logic Aug. 22, 2000
6104435 Apparatus and method for generating data segment sync signal for HDTV Aug. 15, 2000
6100935 Sync generator unit and field decision unit using it Aug. 8, 2000
6069667 Synchronizing signal detecting device May. 30, 2000
6028642 Digital horizontal synchronization pulse phase detector circuit and method Feb. 22, 2000
6028640 Current source and threshold voltage generation method and apparatus for HHK video circuit Feb. 22, 2000
6018370 Current source and threshold voltage generation method and apparatus for HHK video circuit Jan. 25, 2000
RE36508 Method of automatically measuring the horizontal scan frequency of a composite synchronism signal, and an electronic circuit operating in accordance with the method Jan. 18, 2000
6014177 Video display apparatus having phase-locked loop used for synchronizing a horizontal scan frequency with a synchronizing input signal frequency Jan. 11, 2000
5953070 Digital pulse filtering circuit Sep. 14, 1999
5900914 Horizontal synchronizing signal-generating circuit and method therefor May. 4, 1999
5844622 Digital video horizontal synchronization pulse detector and processor Dec. 1, 1998

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