Method of discriminating sheet
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United States of America Patent
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-
Mar 25, 1986
Grant Date -
N/A
app pub date -
Jun 10, 1983
filing date -
Aug 30, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method of discriminating a sheet of the present invention, a comparison and discrimination value becoming the reference of the comparison and discrimination of a printing pattern data is updated whenever the preceding sheet passes through a photodetector. Accordingly, the comparison and discrimination of the following sheet is performed based on the updated comparison and discrimination value, and is not affected by the variation in the sensitivity of the photodetector.
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