MAC vertical synchronizing signals
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United States of America Patent
Stats
-
Jan 27, 1987
Grant Date -
N/A
app pub date -
Mar 23, 1984
filing date -
Jul 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Vertical synchronization information in a multiplexed analogue component (MAC) television signal is included in a line scan period, the amplitudes of the waveform being chosen so as to represent a position in the color space outside that occupied by the picture signal; preferably, the amplitudes are chosen to be at the limits of the picture signal amplitude. By these means, the normal horizontal synchronization information can still be included in the form of transitions 1 and 2, and the chance of the synchronization and picture signals interfering with each other is minimized.
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Family
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Cited Art Landscape
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