PRIVILEGE POINT SERVICE SYSTEM, PRIVILEGE POINT MANAGEMENT DEVICE, PRIVILEGE POINT SERVICE PROVIDING METHOD, AND PRIVILEGE POINT MANAGEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To offer a service convertible by a user to a privilege according to points at a low cost and to maintain its high reliability of security. ;SOLUTION: A purchase management terminal 130 at a shop and a privilege management server 111 are connected together by means of a wide-area dedicated network 100. A user can convert his/her possessing points into an electronic ticket for the privilege by connecting to a privilege management server 120 by means of user terminals 140 and 141. The electronic ticket can be stored in the user terminals 140 and 141, especially, in a hard key. The user can obtains the privilege by showing the electronic ticket issued by the privilege management server 111 at the shop. Use of the same electronic ticket is prohibited after it is used once.;COPYRIGHT: (C)2004,JPO