Dual coil coin sensing apparatus

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 mak...

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Bibliographic Details
Main Authors JAMES MICHAEL RODGERS, RALPH H CARMEN
Format Patent
LanguageEnglish
Published 01.11.1993
Edition5
Subjects
CHECKING-DEVICES
COIN-FREED OR LIKE APPARATUS
HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING
PHYSICS
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Summary: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.
Bibliography:Application Number: ZA19930001545