20100017277 | System and Method for Electronic Coupon Service Using Smart Card - The present invention provides a system and method for an electronic coupon service using a smart card, which can prevent illegal use of electronic coupons and can identify information about service in real time. The method includes the steps of: issuing, by an electronic coupon server, an electronic coupon to an authenticated user smart card at the request of a user who wants the electronic coupon to be issued; distributing, by a service terminal, the electronic coupon, which has been issued by the electronic coupon server, to the user smart card when the user smart card is inserted into the service terminal; and transferring, by the service terminal, the electronic coupon stored in the user smart card to a service provider smart card at the time of providing the service by the service provider, and provides an electronic coupon service system using the smart card, which can achieve the method. | 01-21-2010 |