| 摘要 |
PROBLEM TO BE SOLVED: To enable a user to trade without paying attention to the kind of a card of a customer by receiving control software, stored on a payer's money card, together with an electronic money which is moved when the electronic money moved for a trade is different in account settlement style. SOLUTION: When users perform an electronic trade wherein the account settlement style of electronic money is different, the users insert their money cards 1a and 1b into insertion slots of a user terminal 2 and the versions of control software programs of the both are compared with each other. When the control software of the user money card 1a is older or newer than that of the user money card 1b, a control part gives an instruction to copy the control software of the user money card 1b to the user money card 1a. After the control software programs are compared and stored, an instruction to input the amount of money to be moved is given. |
