Procedure for processing electrical signals used in verifying coins
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United States of America Patent
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Nov 29, 1994
Grant Date -
N/A
app pub date -
May 28, 1993
filing date -
Jun 1, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Procedure for verifying coins in which an analog electrical signal is generated when a coin passes in front of a sensor. This signal is subjected to analog-digital conversion. In a first filtration step, each of the measured digital values (D.sub.n) obtained in this manner is compared with at least one value (S.sub.1 to S.sub.n) stored in a memory. In the event of predetermined conditions being met or not being met, the average digital value (D.sub.n) is either stored or eliminated.
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