Coin identification apparatus
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Jul 17, 1996
filing date -
Jul 17, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coin identification apparatus includes a pair of spaced series connected elongated, planar coils driven by an oscillator. Maximum frequency and amplitude values of the oscillator output generated by the passage of a coin between the pair of coils are compared with prestored frequency and amplitude values of acceptable coins. A processor, upon detecting a match between the detected and pre-stored frequency and amplitude values, activates a motor to rotate a coin receptacle to a position discharging coins into a storage receptacle and simultaneously causing a door latch pin to separate from a door latch allowing opening of the door to permit vending of an article from the enclosure in which the coin identification apparatus is mounted.
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