Paper discriminating device including peak counting and analysis
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United States of America Patent
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Oct 19, 1999
Grant Date -
N/A
app pub date -
Mar 6, 1996
filing date -
Mar 6, 1995
priority date (Note) -
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Abstract
A papers discriminating device which improves the accuracy in true or false judgment of imitation papers which are made by pasting parts of genuine papers on other papers. To a conventional process, a process is added in which the colors and shades of paper detected by a sensor are taken and analyzed by a CPU, the number of peaks of the entire shades and characteristic parts of the paper is examined for truth or falsehood by the CPU on the basis of the number of peaks of the shades, a ratio of peak level difference, and a combination pattern of the peak position and peak level.
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