| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent concentration of a load on a specific server even if a lot of users are present in an electronic coupon system. <P>SOLUTION: When each user management server device 1-i obtains identification information of a mobile device 101 of a registration user from a user terminal device 2-j and registers coupon information designated by the registration user associatively to the identification information of the mobile device 101 and the registration user, the user management server device 1-i notifies a center server device 5 about the identification information of the mobile terminal 101 and address information of a storage place of the coupon information. When the user management server device 1-i receives a transmission request designating the address information from a store terminal device 4, the user management server device 1-i transmits the coupon information specified by the address information to the store terminal device 4. When the identification information of the mobile terminal 101 received from the store terminal device 4 is registered, the center server device 5 notifies the store terminal device 4 about the address information of the storage place of the coupon information associated to the identification information of the mobile device 101. <P>COPYRIGHT: (C)2010,JPO&INPIT |
