Coin-operated vending systems

Details Coin-operated vending systems Coin-operated vending systems

1976-11-16

1978-06-27

Tollberg, Stanley H.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

G07F 302

Patent

active

040969339

ABSTRACT:
A coin-operated vending machine accepts any combination of valid coins which are deposited and automatically returns the correct change when the merchandise is dispensed. The amount of change represents the difference between the total value of the accepted coins and the price of the selected merchandise. A digital data processing circuit is employed for recognizing the validity and denomination of all deposited coins and any unacceptable coin that falls outside the established tolerance limits for a genuine valid coin is automatically rejected and immediately returned.

REFERENCES:
patent: 2317351 (1943-04-01), Andalikiewicz et al.
patent: 3147839 (1964-09-01), White, Jr.
patent: 3491871 (1970-01-01), Bauer
patent: 3703229 (1972-11-01), Bowring
patent: 3754629 (1973-08-01), Douglass
patent: 3820642 (1974-06-01), Levasseur

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