The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2002
Filed:
Dec. 21, 1999
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A color comb filter ( ), video decoder ( ) and method for separating chroma (U,V) and luma (Y) signals from a composite video signal ( ). The comb filter ( ) includes circuitry ( ) for generating color filter selections for filtering a chroma video signal ( ) and control logic ( ) for determining the filter selections based on color boundary properties of the chroma video signal (U,V). The video decoder ( ) includes a comb filter ( ), a demodulator ( ), low pass filter ( ), a remodulator ( ) and a subtractor ( ). The filtered, remodulated chroma signal (U ,V ) is subtracted from the composite video signal ( ) to produce a luma signal absent hanging dots and false colors.
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