Circuit for synchronizing an on-screen display (OSD) on a picture screen
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United States of America Patent
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-
Apr 12, 1994
Grant Date -
N/A
app pub date -
Mar 25, 1993
filing date -
Mar 25, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a television receiver, a source of super sandcastle pulse is connected via a horizontal sync signal extracting first circuit and the vertical sync signal extracting second circuit to the horizontal and vertical sync input terminals of an OSD processor. Advantageously, it has been found that such a super sandcastle pulse provides good and stable relationship between H and V so that flicker and jitter on the screen during OSD do not occur.
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Family
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Cited Art Landscape
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