Coin diameter discriminating device

Details Coin diameter discriminating device Coin diameter discriminating device

1989-10-30

1991-07-23

Bartuska, F. J.

Check-actuated control mechanisms

Including means to test validity of check

Having means to test size

250223R, G07D 502

Patent

active

050336037

ABSTRACT:
A coin diameter discriminating device includes a plurality of optical sensors, a measuring section, and a calculating section, and a discriminating section. The plurality of optical sensors are arranged along the coin path so as to be separated from each other in a direction to cross a coin rolling direction and to oppose different positions of a coin which rolls downs. The measuring section measures a detection time of the coin on the basis of outputs from the optical sensors. The calculating section calculates a ratio of the detection times of two specific optical sensors which are supplied from the measuring section. The discriminating section discriminates a diameter of the inserted coin on the basis of a calculation result from the calculating section.

REFERENCES:
patent: 4585936 (1986-04-01), Sellier
patent: 4646904 (1987-03-01), Hoormann
patent: 4660705 (1987-04-01), Osamu Kai et al.
patent: 4667093 (1987-05-01), MacDonald
patent: 4848556 (1989-07-01), Shah et al.

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