Dual coil coin sensing apparatus

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

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Details

G07D 508

Patent

active

052440702

ABSTRACT:
An apparatus for sensing coins is disclosed which is capable of distinguishing between valid and non-valid coins as well as between the different denominations of coins. The apparatus is useful for application in coin-operated parking meters as well as other coin-operated machines. The apparatus makes use of a twin-coil sensor which enables it to distinguish between small coins with high metal content and large coins with low metal content.

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