Coin detector apparatus

Details Coin detector apparatus Coin detector apparatus

1983-06-08

1984-03-20

Rolla, Joseph J.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

194 1K, G07F 302

Patent

active

044375581

ABSTRACT:
An electronically controlled coin tester which distinguishes between valid and invalid coins by subjecting both the token to be tested (test coin) and a fixed reference coin (sample coin) to similar magnetic fields and evaluating the quality of any null signals created by their combined output. A selectively shiftable coin holder is provided which serves to allow replacement of the sample coin as well as to provide a guiding ramp for the test coin which can be selectively set at various inclines dependant upon the size of the coins desired to be tested. The present device may optionally include a pendulum damper which will slow the movement of the test coin as its travels along the guiding ramp, and/or an antistringing device which prevents the removal of a coin from the coin box after acceptance.

REFERENCES:
patent: 2589214 (1947-09-01), Andrews
patent: 3599771 (1971-08-01), Hinterstocker
patent: 3837454 (1974-09-01), Joeck
patent: 4298116 (1981-11-01), Niemeyer

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