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Class Information
Number: 348/533
Name: Television > Synchronization > Sync separation > Noise reduction
Description: Subject matter including apparatus for reducing the deleterious effects of noise on the utilization of the synchronizing signal components.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576771 |
Method and apparatus of providing video synchronization |
Aug. 18, 2009 |
| 7554553 |
Graphics display system with anti-flutter filtering and vertical scaling feature |
Jun. 30, 2009 |
| 7474316 |
Bit-depth extension of digital displays via the use of models of the impulse response of the visual system |
Jan. 6, 2009 |
| 7460133 |
Optimal hiding for defective subpixels |
Dec. 2, 2008 |
| 7454083 |
Image processing apparatus, image processing method, noise-amount estimate apparatus, noise-amount estimate method, and storage medium |
Nov. 18, 2008 |
| 7321398 |
Digital windowing for video sync separation |
Jan. 22, 2008 |
| 7277133 |
Adjusting pixel clock |
Oct. 2, 2007 |
| 7268825 |
Digital synchronizing generator |
Sep. 11, 2007 |
| 7209595 |
Image processing apparatus, image processing method, noise-amount estimate apparatus, noise-amount estimate method, and storage medium |
Apr. 24, 2007 |
| 7139035 |
Video noise floor estimator with impulse noise detection |
Nov. 21, 2006 |
| 7130484 |
Biased curve indicator random field filters for enhancement of contours in images |
Oct. 31, 2006 |
| 7085426 |
Volterra filters for enhancement of contours in images |
Aug. 1, 2006 |
| 7053959 |
Digital video encoder |
May. 30, 2006 |
| 7023489 |
Method and device for detecting the parity of successive fields of an interlaced video signal |
Apr. 4, 2006 |
| 6970605 |
Image processing apparatus, image processing method, noise-amount estimate apparatus, noise-amount estimate method, and storage medium |
Nov. 29, 2005 |
| 6943844 |
Adjusting pixel clock |
Sep. 13, 2005 |
| 6925559 |
Reducing effects of transmission line reflections by changing transmission line pedestal voltage or recever threshold voltage while monitoring for irregular synchronization |
Aug. 2, 2005 |
| 6917387 |
Arrangement for time-correct combination of two data streams |
Jul. 12, 2005 |
| 6912012 |
Video decoder having lock algorithm that distinguishes between a noisy television signal input and a video recorder signal |
Jun. 28, 2005 |
| 6816203 |
Method and apparatus for isolating noise from a tuner in a television signal receiver |
Nov. 9, 2004 |
| 6795588 |
Noise detector, noise detection method, signal processor and signal processing method |
Sep. 21, 2004 |
| 6785401 |
Temporal synchronization of video watermark decoding |
Aug. 31, 2004 |
| 6741291 |
Synchronous signal detection with noise rejection |
May. 25, 2004 |
| 6556249 |
Jitter cancellation technique for video clock recovery circuitry |
Apr. 29, 2003 |
| 6529237 |
Complete CDS/PGA sample and hold amplifier |
Mar. 4, 2003 |
| 6507370 |
Highly adjustable video composite sync separator and variable gain pixel clock frequency locking apparatus and method |
Jan. 14, 2003 |
| 6445413 |
System for determining a video offset from dark photosensors in an image sensor array |
Sep. 3, 2002 |
| 6441847 |
Method for determining the quality of a video and/or television image signal |
Aug. 27, 2002 |
| 6271888 |
Method for obtaining line synchronization information items from a video signal, and apparatus for carrying out the method |
Aug. 7, 2001 |
| 6211920 |
Circuit for the treatment of synchronization signals |
Apr. 3, 2001 |
| 6154256 |
Sync separator and video signal detector circuits |
Nov. 28, 2000 |
| 6111916 |
Error resilient encoding |
Aug. 29, 2000 |
| 6069667 |
Synchronizing signal detecting device |
May. 30, 2000 |
| 6018364 |
Correlated double sampling method and apparatus |
Jan. 25, 2000 |
| 5982451 |
Video signal level detector |
Nov. 9, 1999 |
| 5953069 |
Sync separator circuit |
Sep. 14, 1999 |
| 5841563 |
Method and system for efficient optical transmission of NTSC video |
Nov. 24, 1998 |
| 5831683 |
Clock signal generating apparatus and clock signal generating method |
Nov. 3, 1998 |
| 5815213 |
Video signal synchronization extraction device |
Sep. 29, 1998 |
| 5790200 |
Horizontal synchronization signal stabilization method and apparatus |
Aug. 4, 1998 |
| 5757516 |
Noise quenching method and apparatus for a colour display system |
May. 26, 1998 |
| 5715000 |
Noise reduction circuit for reducing noise contained in video signal |
Feb. 3, 1998 |
| 5621475 |
Circuit for judging the existence of television image signals |
Apr. 15, 1997 |
| 5619275 |
TV line and field detection apparatus with good noise immunity |
Apr. 8, 1997 |
| 5608460 |
Synchronizing signal separating circuit with controlled flywheel stage |
Mar. 4, 1997 |
| 5548331 |
Clamping circuit |
Aug. 20, 1996 |
| 5521468 |
Synchronization pulse separation circuit for CRT device |
May. 28, 1996 |
| 5432559 |
Self-adjusting window circuit with timing control |
Jul. 11, 1995 |
| 5345271 |
Apparatus for separating vertical synchronizing signal components from image signals in video cassette recorder |
Sep. 6, 1994 |
| 5337157 |
Copy guard processing detecting apparatus |
Aug. 9, 1994 |
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