Circuit arrangement for processing a video signal, including means for avoiding a vertical color shift at horizontal color transitions
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United States of America Patent
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Dec 18, 2001
Grant Date -
N/A
app pub date -
Nov 18, 1998
filing date -
Nov 20, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A video recorder, includes: a filter for performing a comb-filtering operation and supplying a comb-filtered component of a video signal; controllable influencing apparatus for terminating the output of the comb-filtered component and activating instead, the propagation of the non-filtered component; transition detection apparatus for detecting a vertically extending transition and supplying characteristic information upon detection of such a transition; control information generating apparatus, arranged between the transtion detection apparatus and the influencing apparatus, for generating control information enabling the termination of the output of the comb-filtered component and the activation of the propagation of the non-filtered component for a period of time which is longer than possible by means of the characteristic information.
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