Slug rejector

Details Slug rejector Slug rejector

1982-01-12

1984-09-18

Rolla, Joseph J.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

73163, G07F 302

Patent

active

044718640

ABSTRACT:
A slug rejector in which a coin-testing oscillator provides, when a coin or slug passes through the field of its coil, an output in its linear range which is used to actuate a coin diverting gate. To stabilize the operation of the coin-testing oscillator, a reference oscillator is provided which is continuously in operation. The output of the reference oscillator is used to generate correcting signals which are fed back to the oscillator circuit to maintain its output at a constant amplitude. The same correcting signals are also fed back to the coin-testing oscillator whereby its output for a predetermined coin or slug is a constant repeatable value.

REFERENCES:
patent: 3165706 (1961-08-01), Sarratt
patent: 3599771 (1971-08-01), Hinterstocker
patent: 3749220 (1973-07-01), Tabiichi et al.

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