Coin discriminating apparatus

Details Coin discriminating apparatus Coin discriminating apparatus

1992-04-01

1993-11-23

Bartuska, F. J.

Check-actuated control mechanisms

Including means to test validity of check

By testing material composition

194335, G07D 502, G07D 508

Patent

active

052635660

ABSTRACT:
The present invention relates to a coin discriminating apparatus and method for discriminating genuine coins from counterfeit coins, and determining their denominations. And more particularly, the present invention purports to detect genuine coins based on the inherent difference in degree of peripheral thickening or convex configuration between genuine coins and counterfeit coins so as to provide a coin discriminating apparatus and method capable of preventing counterfeit coins from being used in an unauthorized or unfair way. In one specific example, there is provided a thickness detecting sensor 8 adjacent to a coin passage, and a coin face contour detecting apparatus 11 measures a time during which an output of the thickness sensor 8 exceeds a threshold value 22, thereby detecting degree of peripheral thickening or convex configuration of coins to discriminate genuine coins from counterfeit.

REFERENCES:
patent: 3682286 (1972-08-01), Prumm
patent: 3870137 (1975-03-01), Fougere
patent: 3918565 (1975-11-01), Fougere et al.
patent: 4124111 (1978-11-01), Hayashi
patent: 4705154 (1987-11-01), Masho et al.
patent: 4875567 (1989-10-01), Fitton
patent: 5078251 (1992-01-01), Hayashi et al.
patent: 5078252 (1992-01-01), Furuya et al.

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