| 摘要 |
PURPOSE:To smoothly employ a capital in a user, a store or the like by matching the amount of an using limit of a magnetic card to the set balance of a deposit account. CONSTITUTION:In a terminal equipment 3, the amount of the using limit of the card 1 is set. At this time, the deposit is moved from an unset balance to the set balance or the amount of money set as the amount of the using limit is paid, and the set amount of the using limit and a password number are made secret and stored in the card 1 and the card 1 is issued. A card transaction processor 4 decodes secret data stored in the card 1 and subtracts the amount of a transaction money from the amount of the using limit. This new card data is made secret again, written in the magnetic card, the data such as the amount of the transaction money is made secret and stored in a data pack or the like. Thereafter, this data is inputted to a host computer 2, and the amount of the transaction money is transferred from the set balance of the deposit account of the card 1 to the deposit account of its own (store or the like). |
