Coin discrimination apparatus
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United States of America Patent
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Feb 6, 1996
Grant Date -
N/A
app pub date -
Mar 28, 1994
filing date -
Aug 19, 1991
priority date (Note) -
Expired
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Abstract
An apparatus for identifying coins uses inductive coupling of the coin with a pair of inductors. The apparatus includes a path for coins to be tested, first and second inductors for forming concurrent inductive couplings with the coin being tested, switches for energizing the inductors in specific manners so that a sequence of coin tests results, and a sensor for sensing the resultant inductive coupling for each of the tests in the sequence.
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