Device for the measurement of the diameter of circular objects

Details Device for the measurement of the diameter of circular objects Device for the measurement of the diameter of circular objects

1993-04-13

1995-02-28

Bucci, David A.

Check-actuated control mechanisms

Including means to test validity of check

Having means to test size

250223R, G07D 502

Patent

active

053928920

ABSTRACT:
For the measurement of the diameter of coins (1) or other circular objects, such coins or other objects pass the guide channel at substantially the same velocity. In a lateral wall of the guide channel, at least two photoelectric detectors (3, 4) are arranged at different heights which are obscured by such coins or other circular objects when passing the channel (FIG. 1 ).

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patent: 4148388 (1979-04-01), Reyner et al.
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patent: 4509633 (1985-04-01), Chow
patent: 4546868 (1985-10-01), Gregory, Jr.
patent: 4585936 (1986-04-01), Sellier
patent: 4646904 (1987-03-01), Hoormann
patent: 4667093 (1987-05-01), MacDonald
patent: 5033603 (1991-07-01), Kai et al.

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