Light transmissive device for optical testing of transported bills
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United States of America Patent
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-
May 11, 1999
Grant Date -
N/A
app pub date -
Oct 10, 1996
filing date -
Oct 10, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This optical scanner for testing the validity of a bill transported through a bill validator includes lower and upper members spaced to allow a bill to pass therebetween, at least one member including a light transmissive area. A light emitting element is arranged to direct light through the light transmissive area and a light receiving sensor is arranged to receive light from the light emitting element during passage of bill (B) therebetween. The light transmissive area includes a recessed portion to provide non-contact face portions of the light transmissive area spaced from the bill to preclude the transfer and build-up of dirt and abrasion of these areas.
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