Sensor coil for discriminating coin acceptor or rejector

Details Sensor coil for discriminating coin acceptor or rejector Sensor coil for discriminating coin acceptor or rejector

1987-12-14

1989-06-27

Kozma, Thomas J.

Check-actuated control mechanisms

Including means to test validity of check

By testing material composition

336225, G07D 500

Patent

active

048421197

ABSTRACT:
A sensor coil for discriminating a coin has an oval configuration in a section parallel to the side of a coin passing through a coin passage, with one end in the longitudinal direction of the oval configuration having a large radius of curvature and the other end having a small radius of curvature. The oval shaped sensor coil is able to accurately discriminate a genuine coin or coins from others having different diameters and different materials.

REFERENCES:
patent: 1984433 (1934-12-01), Runge
patent: 2013854 (1935-09-01), Ruelland
patent: 4361218 (1982-11-01), Van Dort
patent: 4601380 (1986-07-01), Dean et al.
Japanese Utility Model Laid Open No. 53-56,897, Tateishi Denki Kabushiki Kaisha.
Japanese Utility Model Publication No. 56-12,693, Sanyo Jido Hanbaiki Kabushiki Kaisha.

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