Optical coin sensing station having a passageway and beam splitters
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
May 20, 1997
filing date -
Oct 3, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a coin sensing station, coins pass edgewise along a passageway through a transparent block and interrupt three optical sensing beams that transverse the passageway at spaced locations. The beams are produced by light emitting diodes which direct light into the block where it is directed by reflection from inclined surfaces integrally molded into the block. By use of a beam splitting means, it is possible to direct the first and second sensing beams from a single source beam, across the passageway at different, spaced apart locations.
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