Method and apparatus for examining coins

Details Method and apparatus for examining coins Method and apparatus for examining coins

1992-03-25

1994-11-08

Bartuska, F. J.

Check-actuated control mechanisms

Including means to test validity of check

By testing material composition

194337, G07D 502, G07D 508

Patent

active

053618866

ABSTRACT:
In a method and an apparatus for examining the genuineness and the value of coins using inductive and opto-electronic devices, the coin diameter, the minting and the nature of the material are determined and evaluated within a test cycle, in which the coin is taken up, centered, clamped and turned through 360.degree.. The coin diameter is ascertained and checked by way of the angle of twist between two disks, which are disposed so that they can be twisted relatively to one another. The apparatus ensures an accurately centered and vibrationless clamping of the coin for an opto-electronic scanning and the inductive identification of the material.

REFERENCES:
patent: 2165471 (1939-07-01), Freeman et al.
patent: 4815579 (1989-03-01), Fritz
patent: 4819780 (1989-04-01), Trummer et al.

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