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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:

Class Number Class Name Patents
348/534 Amplitude limiting 25
348/535 Noise inversion 7

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8593526 Apparatus for measuring noise in an analog signal Nov. 26, 2013
8520144 Video signal processing circuit and method applicable thereto Aug. 27, 2013
8471751 Two-stage analog-to-digital converter using SAR and TDC Jun. 25, 2013
8422816 Method and apparatus for performing bad pixel compensation Apr. 16, 2013
8422817 Method and apparatus for performing de-noise processing Apr. 16, 2013
8300150 Image processing apparatus and method Oct. 30, 2012
8300977 Imaging device and image processing program for estimating fixed pattern noise from partial noise output of available pixel area Oct. 30, 2012
8270758 Image processing device and method, program recording medium, and imaging system Sep. 18, 2012
8189110 Equalization of noise characteristics of the components of a composite image without degrading subject image quality May. 29, 2012
8144250 Microcontroller-based multi-format video AGC/sync loop regulator Mar. 27, 2012
8068176 Noise elimination device for the detection of the vertical sync pulse in video signals Nov. 29, 2011
8059199 Synchronizing signal detection circuit Nov. 15, 2011
8045057 Synchronization detector of video signal processor and synchronization selector including the synchronization detector Oct. 25, 2011
8035739 Transmission system Oct. 11, 2011
8031967 Video noise reduction Oct. 4, 2011
7961196 Cost effective rendering for 3D displays Jun. 14, 2011
7777759 Image processing apparatus and image display apparatus using same Aug. 17, 2010
7701512 System and method for improved horizontal and vertical sync pulse detection and processing Apr. 20, 2010
7663697 Sync-threshold adjust Feb. 16, 2010
7660483 Method and apparatus for removing noise from a digital image Feb. 9, 2010
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

1 2 3

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