Coin sensing apparatus
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United States of America Patent
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May 14, 1996
Grant Date -
N/A
app pub date -
Jul 14, 1995
filing date -
Dec 18, 1992
priority date (Note) -
Expired
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Abstract
A coin sensor, such as a post acceptance sensor for a coin validator, at a coin sensing station on a coin path having a sidewall, includes optical source and detector pairs that detect the presence of the coin by reflection of source radiation to the detector by the coin's surface. In order to improve sensitivity the side wall has an angled surface configuration which inhibits reflection of radiation from each source to the detectors in the absence of a coin.
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