Device for detecting and rejecting invalid coins utilizing a ver

Details Device for detecting and rejecting invalid coins utilizing a ver Device for detecting and rejecting invalid coins utilizing a ver

1981-10-13

1984-11-20

Bartuska, F. J.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

194 99, G07D 502, G07D 508

Patent

active

044834314

ABSTRACT:
A coin testing device having a substantially vertical coin chute with facility for testing coin size, central opening, topography and metal content while the coin is substantially traveling in free fall. Testing elements are located on the same side of the coin chute. The Hall effect is utilized to detect magnetic content.

REFERENCES:
patent: 3797307 (1974-03-01), Johnston
patent: 3921003 (1975-11-01), Greene
patent: 3978962 (1976-09-01), Gregory
patent: 4089400 (1978-05-01), Gregory
patent: 4333557 (1982-06-01), Kozak
patent: 4336854 (1982-06-01), Jensen

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