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Class Information
Number: 348/670
Name: Television > Image signal processing circuitry specific to television > Chrominance-luminance signal separation > Including comb filter (e.g., using line, field, frame delays) > Including frame or field delays
Description: Subject matter wherein signals are combined in different vertical scan periods.

Patents under this class:

Patent Number Title Of Patent Date Issued
8237866 System and method for phase motion detection for YC separation Aug. 7, 2012
8218084 Signal separator Jul. 10, 2012
8218085 Signal separator Jul. 10, 2012
8199256 Three-dimensional Y/C separating circuit Jun. 12, 2012
8139156 Method and apparatus for adaptive selection of YC separation Mar. 20, 2012
8077997 Method and apparatus for image processing Dec. 13, 2011
7663702 Digital video signal processing apparatus and method for adaptive temporal and spatial Y/C separation in multiple directions Feb. 16, 2010
7659944 Digital video signal processing apparatus and method for field-based adaptive spatio-temporal Y/C separation Feb. 9, 2010
7605870 Digital video signal processing apparatus and method for frame-based adaptive temporal and spatial Y/C separation Oct. 20, 2009
7545442 Y/C separation with 3D comb filter Jun. 9, 2009
7483037 Resampling chroma video using a programmable graphics processing unit to provide improved color rendering Jan. 27, 2009
7432987 Method of motion detection for 3D comb filter video decoder Oct. 7, 2008
7196736 Method of YC separation of YC separation filter Mar. 27, 2007
7061548 Filter device Jun. 13, 2006
6914638 Three-dimensional enhancement processing for television broadcasting signals Jul. 5, 2005
6809778 Apparatus and method for YC separation and three-line correlation detection Oct. 26, 2004
6674488 Luminance and color difference signal separator for adaptively selecting color difference signals output from comb and line filters Jan. 6, 2004
6300985 Composite video decoder for providing a high quality serial digital output Oct. 9, 2001
6288754 YC separation circuit Sep. 11, 2001
5990978 Luminance/chrominance signal separating device Nov. 23, 1999
5929938 Motion adaptive luminance and chrominance signal separating circuit Jul. 27, 1999
5786872 Motion detection circuit calculates difference between input video signal and one frame-period signal Jul. 28, 1998
5589888 YC separation and still picture reproducing circuit Dec. 31, 1996
5473389 Y/C separator using 3-D, 2-D and 1-D filters Dec. 5, 1995
5457501 Spectrum distribution adaptive luminance/color signal separating device Oct. 10, 1995
5333054 Apparatus for reducing noise in a video signal by processing a luminance and chrominance component Jul. 26, 1994
5155582 Dot crawling interference elimination device and color subcarrier vertical correlation detection device Oct. 13, 1992
5150202 Separable diamond shaped multidimensional filters for composite video encoding/decoding applications Sep. 22, 1992
4953009 Signal separator having function of subsampling digital composite video signal Aug. 28, 1990
4864402 Video memory Sep. 5, 1989
4864389 Comb filter method and apparatus for chrominance and luminance separation in quadrature modulated color subcarrier television systems Sep. 5, 1989
4833526 Three dimensional non-adaptive decoder for a PAL color television composite signal May. 23, 1989
4695876 Method and apparatus for the extraction of luminance information from a video signal using a field store Sep. 22, 1987
4684977 Luminance/chrominance separation circuitry Aug. 4, 1987
4636841 Field comb for luminance separation of NTSC signals Jan. 13, 1987
4597007 Circuitry for correcting frame combed luminance signal for motion induced distortion Jun. 24, 1986
4498099 Apparatus for frame-to-frame comb filtering composite TV signal Feb. 5, 1985

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