Device for scanning pale color marks on a printing machine
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United States of America Patent
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-
Jun 1, 1993
Grant Date -
N/A
app pub date -
May 6, 1992
filing date -
May 6, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for scanning marks printed on workpieces travelling under a light source includes at least two parallel mark scanning channels emitting an electric impulse due to passage of a mark, each channel being sensitive to a particular color. The device incudes, moreover, electronics for selecting a most representative mark impulse among the electric impulses emitted by the channels.
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