Anti-piracy video tape system has anti-piracy components added to the luminance signal and the color difference signals
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United States of America Patent
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Sep 7, 1993
Grant Date -
N/A
app pub date -
Jun 2, 1992
filing date -
Jun 14, 1991
priority date (Note) -
In Force
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Abstract
An anti-piracy signal generating circuit for generating anti-piracy signal components on a video signal reproduced by a first video unit, the signal components being interleaved to a frequency f.sub.H in the band of the video signal in accordance with the video signal components and a signal superimposing circuit for superimposing the anti-piracy signal components intermittenly on the luminance signal, first color difference signal, and second color difference signal.
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Cited Art Landscape
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