CARD TYPE AUTOMATIC VENDING MACHINE

PROBLEM TO BE SOLVED: To prevent overflow from being generated in the write money amount of a second card at the time of inserting the second card following a first card in a card type automatic vending machine for selling a product by the insertion of the prepaid card of a charge prepayment system. SOLUTION: This automatic vending machine 1 for selling the product by the insertion of the prepaid card adds the remaining money amount of the inserted first card 4 to the remaining money amount of the second card inserted next and writes the result to the second card. When the remaining money amount of the first card 4 is more than a fixed value, the insertion of the second card is inhibited.