Technique to stabilize the chrominance subcarrier generation...

Details Technique to stabilize the chrominance subcarrier generation... Technique to stabilize the chrominance subcarrier generation...

2005-03-25

2010-06-29

Kostak, Victor R. (Department: 2622)

Television

Synchronization

Phase locking regenerated subcarrier to color burst

C348S194000, C348S508000

Reissue Patent

active

RE041399

ABSTRACT:
A technique to stabilize subcarrier generation in a line-locked digital video system, caused by simultaneous locking of the genlock device causing continuous changing of a shared clock signal, by calculating a time shift occurring in an output waveform, converting the time shift into an equivalent phase shift and sending a corresponding phase correction number to a waveform generator block to correct the time shift, and thus stabilize subcarrier generation.

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German Office Action issued by the Examining Section for Class H04N, mailed Nov. 13, 2009 for corresponding German Application No.: 101 97 028.5-31, 8 pgs.

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