| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vending machine, an electronic sales promotion system, the cash-back method of the vending machine and the cash-back control program of the vending machine capable of dealing with even the change of the discount conditions of each merchandise without requiring any special labor in a stage to the purchase of merchandise. <P>SOLUTION: Merchandise is selected by a merchandise selection part 112 of a vending machine 101, and payment is made at a settlement part 113, and a payment device 102 is held over the vending machine 101, and it is detected by a radio communication part 119, and information is read from the payment device 102, and when the refund conditions of a coupon are satisfied, whether to use the coupon is inquired to a user, and when the coupon is used, cash-back is executed. The merchandise is not selected by the merchandise selection part 112, and the payment device 102 is held over the vending machine 101, and the refund conditions are checked, and the cash-back is received in the same way. <P>COPYRIGHT: (C)2010,JPO&INPIT |
