Vending control system

Details Vending control system Vending control system

G - Physics

06

F

328/125, 354/40

G06F 7/50 (2006.01) G07F 5/22 (2006.01)

Patent

CA 1049144

ABSTRACT OF THE DISCLOSURE A vending control system including circuit means which control events and sequences of events involved in vending and paying out or refunding amounts deposited, the system employing a novel combination of full adder circuit means, binary stages, and input-output interconnections all of which provide increased versatility and flexibility. The system include means for the control of a number of vending price leads, with change making capability and without requiring interpricing lock-out systems in the vendor. To accomplish this the present system includes means to sense when a selection switch closes high impedance sensing means and for comparing the selection that is made to the amount of accumulation that has been entered before energy is applied to produce a vend operation.

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