Method for detecting physical anomalies of U.S. currency
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United States of America Patent
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-
Feb 7, 1984
Grant Date -
N/A
app pub date -
Aug 17, 1981
filing date -
Aug 17, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Means and methods are provided for examining bills and detecting flaws therein, such as length and width variations, holes, tears and dog-ears or folded corners. Electrical signals are generated by light sensing circuits and compared with signals representing the standard physical characteristics of the bill to indicate deviations therefrom.
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