Vending machine accountability system

Details Vending machine accountability system Vending machine accountability system

G - Physics

06

F

354/39

G06F 15/20 (1980.01)

Patent

CA 1135861

ABSTRACT An accountability system (10) for a vending machine (2) having means for vending products, means (1) for crediting the value of deposited monies, means (1) for comparing the credit with the price of the product for determining the sufficiency of the credit and and excess of credit, and means (1) for dispensing change equal to an excess of credit; the accountability system (10) comprising digital data processor means (40) for collecting transaction data, an in-site data file (51) for storing the transaction data, an exchangeable, portable data file module (52) for recording the transaction data stored in the in-site data file (51), means (40) for updating the data in the portable data file module prior to removal and exchange of the module, means (40) for recording an identification of the particular vending machine in the portable data file module, means (40, 17) to inhibit operation of the vending machine (2) in the absence of a portable data file module (52), and means (60, 61) to lock the portable data file module in place in the vending machine (2), the lock means (60, 61) being controlled by the data processor (40).

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