| 摘要 |
PROBLEM TO BE SOLVED: To make a game playable without carrying money. SOLUTION: In this IC card system for game machine, a gate card data input device 10 inputs a game token based on thrown-in money to issue an IC card 50, and a game machine 20 with R/W practically reduces the value of the game token in this IC card at the time of insertion of the IC card and permits execution of a game based on this reduced game token, and an addition device 30 practically increases the value of the game token in the IC card based on thrown-in money, and a data totalization device 40 provided in each shop totalizes the value of the game token inputted by the game card input device, the value of the game token reduced by the game machine with R/W, and the value of the game token increased by the addition device with respect to each IC card. |
