| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic coupon service, where the amount of coupons by a printed matter can be reduced, the coupon can easily be managed and it can be used anytime, anywhere. SOLUTION: A user terminal 1 comprising a portable terminal 4 is connected to a service management facility 2 via a data communication network 3. A user registers terminal information for specifying the portable terminal 4 in the service management facility 2 and the computerized coupon is transmitted to the portable terminal 4 from the service management facility 2. The coupon received by the portable terminal 4 is preserved in the portable terminal and the coupon preserved in a use facility 17 is displayed in the portable terminal, so as to make it displayed, so that the person of the use facility 17 is made to be aware of the coupon. |
