Coin validator calibration
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United States of America Patent
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Nov 6, 2001
Grant Date -
N/A
app pub date -
May 10, 1999
filing date -
Jun 5, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The coin validator is calibrated by inserting a calibration key different from coins to be validated in a static position in the validator such that eddy currents are induced in the key by operation of its sensor coils so as to produce a calibration value of signals form the sensor coils as a function of the individual characteristics of the validator. The calibrating value of the sensor signals may be compared with ensemble data concerning corresponding calibration values derived from an ensemble of coin validators of the same design.
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