| 摘要 |
PROBLEM TO BE SOLVED: To provide a card system improved in convenience by unnecessitating the update of a card. SOLUTION: The card system using a computer system is provided with a card reader 1 having a first card A with which a terminal address is recorded in a client information recording part 5, a client identifying means 10 for identifying a client by reading the terminal address of the first card A and an amount input means 10 for inputting the purchase amount of the identified client and a server 2 connected with the card reader 1 through a communication line for storing a point corresponding to the inputted amount for each identified client. The point stored in the server 2 for each client is outputted through the communication line to a client terminal 3 used by that client so that it is not necessary to update a temporarily issued client card. |
