| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic money system efficiently compensating electronic money. <P>SOLUTION: A electronic money server (hereinafter referred to as the server) 200 stores value transmission amount specification information to a cellular phone (hereinafter referred to as the phone) 100 associated with the phone ID; a ticket-vending machine 300 transmits a charging request to the phone 100; the phone 100 transmits a subtraction ending signal indicating the subtraction of the required amount in response to the charging request from the stored value to the ticket-vending machine 300 according to the charging request; the ticket-vending machine 300 enables the game using the subtraction amount according to the subtraction ending signal, records subtraction amount specification information associated with the phone ID of the subtraction ending signal transmission source and transmits transaction information including the subtraction amount specification information and the corresponding phone ID; the server 200 manages the residual amount for every phone ID based on the transmission transaction information and the storage information; the ticket-bending machine 300 enables the game without waiting for the output of the transaction information; and the phone 100 stores the value charged and subtracted by the execution of an electronic money application 111 as backup information. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
