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Class Information
Number: 348/547
Name: Television > Synchronization > Automatic phase or frequency control > Vertical sync component
Description: Subject matter wherein the sync signal components are the vertical sync.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623185 |
Synchronization control apparatus and method |
Nov. 24, 2009 |
| 7599005 |
Method for synchronizing video signals |
Oct. 6, 2009 |
| 7535982 |
Method and apparatus for adjusting phase of sampling frequency of ADC |
May. 19, 2009 |
| 7499106 |
Method and system for synchronizing video information derived from an asynchronously sampled video signal |
Mar. 3, 2009 |
| 7471345 |
Flat display device and control method thereof |
Dec. 30, 2008 |
| 7443450 |
Sync processor of flat panel display for determining signal safety on the basis of HSYNC/VSYNC signal generated according to data enable signal |
Oct. 28, 2008 |
| 7432980 |
Method for reducing analog PLL jitter in video application |
Oct. 7, 2008 |
| 7362380 |
Equilibrium based vertical sync phase lock loop for video decoder |
Apr. 22, 2008 |
| 7327401 |
Display synchronization signal generation apparatus and method in analog video signal receiver |
Feb. 5, 2008 |
| 7295248 |
External synchronous signal generating circuit and phase difference measuring circuit |
Nov. 13, 2007 |
| 7274406 |
Equilibrium based vertical sync phase lock loop for video decoder |
Sep. 25, 2007 |
| 7271844 |
Frame signal phase adjuster |
Sep. 18, 2007 |
| 7253842 |
Locking display pixel clock to input frame rate |
Aug. 7, 2007 |
| 7211777 |
Confocal microscope apparatus to measure a stereoscopic shape of a sample |
May. 1, 2007 |
| 7199834 |
Vertical synchronizing signal generation apparatus and video signal processing apparatus |
Apr. 3, 2007 |
| 7095446 |
Method and device for phase correction of a vertically distorted digital image |
Aug. 22, 2006 |
| 6847409 |
Video switching detecting circuit |
Jan. 25, 2005 |
| 6831634 |
Image processing device |
Dec. 14, 2004 |
| 6674482 |
Apparatus for generating sync of digital television |
Jan. 6, 2004 |
| 6624852 |
Sync signal correcting apparatus for DTV receiver |
Sep. 23, 2003 |
| 6606410 |
Method and apparatus for detecting a synchronous signal |
Aug. 12, 2003 |
| 6563545 |
Synchronous processing circuit |
May. 13, 2003 |
| 6545721 |
Video retiming through dynamic FIFO sizing |
Apr. 8, 2003 |
| 6526583 |
Interactive set-top box having a unified memory architecture |
Feb. 25, 2003 |
| 6424379 |
Vertical synchronization separation circuit |
Jul. 23, 2002 |
| 6366327 |
Vertical sync detection and output for video decoder |
Apr. 2, 2002 |
| 6339412 |
Device and method for stabilizing horizontal transistor of video display device |
Jan. 15, 2002 |
| 6222590 |
Phase-locked loop circuit |
Apr. 24, 2001 |
| 6181088 |
Cathode ray tube apparatus having a protection circuit for protecting a cathode ray tube driving circuit and a method therefor |
Jan. 30, 2001 |
| 6052153 |
Synchronization circuit and methods for screens with scanning circuits that reduce the effects of variations in frequency of an input signal |
Apr. 18, 2000 |
| 6005634 |
Method and apparatus for controlling the display of a video image |
Dec. 21, 1999 |
| 5999222 |
Digital vertical sync separator |
Dec. 7, 1999 |
| 5973750 |
Television channel selection monitoring apparatus |
Oct. 26, 1999 |
| 5929923 |
Apparatus for producing a video signal in synchronism with an external synchronizing signal |
Jul. 27, 1999 |
| 5917551 |
Synchronization stabilizing circuit and television signal receiver |
Jun. 29, 1999 |
| 5896180 |
Phase-locked loop circuit for generating stable clock signal for use in regeneration of picture signal |
Apr. 20, 1999 |
| 5838382 |
Method and apparatus for optimizing starting point for run-in clock recovery |
Nov. 17, 1998 |
| 5831682 |
Vertical synchronizing signal stabilizing circuit, integrated circuit and television signal processing device |
Nov. 3, 1998 |
| 5796425 |
Elimination of the effect of difference in vertical scanning frequency between a display and a camera imaging the display |
Aug. 18, 1998 |
| 5784121 |
Vertical synchronisation signal detector |
Jul. 21, 1998 |
| 5764303 |
Vertical deflection control circuit and television receiver using such vertical deflection control circuit |
Jun. 9, 1998 |
| 5748263 |
System for automatically producing infrared control signals |
May. 5, 1998 |
| 5736873 |
Power saving control circuit for a display apparatus |
Apr. 7, 1998 |
| 5721755 |
Serial transfer system |
Feb. 24, 1998 |
| 5706036 |
Method and apparatus for providing a video synchronising signal of a predetermined polarity |
Jan. 6, 1998 |
| 5502502 |
PLL-based method and apparatus for generating video drive signals from various sync formats |
Mar. 26, 1996 |
| 5436668 |
Horizontal line counter stabilization in a video receiver |
Jul. 25, 1995 |
| 5331347 |
Television sync and phase detector disable circuit |
Jul. 19, 1994 |
| 5065239 |
Automatic control circuit for vertical synchronizing signal |
Nov. 12, 1991 |
| 5012339 |
Field discrimination circuit |
Apr. 30, 1991 |
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