| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic money system allowing transaction even when a plurality of types of contactless IC cards are detected by an electronic money terminal device. <P>SOLUTION: A contactless IC card management server 5 is provided with a storage part 18 for storing a plurality of types of contactless IC cards as a group and storing a particular contactless IC card with information showing a priority card in each group. When a plurality of types of contactless IC cards are simultaneously detected by an electronic money terminal device 2, and when the same set of contactless IC cards as the simultaneously detected contactless IC cards is stored in the storage part 18 of the contactless IC card management server 5, the electronic money terminal server 2 selects a contactless IC card according to the priority card information stored in the storage part 18 of the contactless IC card management server 5, and performs a transaction with the selected contactless IC card. <P>COPYRIGHT: (C)2008,JPO&INPIT |
