| 摘要 |
PROBLEM TO BE SOLVED: To easily deal with a revision of the game charge, by equipping a reader-writer to read data out/in a coin type IC card and composing a money collecting and management system to wright a used amount of money and data corresponding to a residual amount of money by subtracting a used amount into a coin type IC card and discharging the card. SOLUTION: Inside a game machine equipped with a display part and an operation part with a joy stick and operation buttons on the front face, an IC card reader-writer to read/write a coin type IC card 9 without contact is equipped. The coin type IC card 9 has an outer dimensions slightly larger than, for instance, a 100 yen coin, and is mounted with an IC module into whose circuit board a microcomputer and a memory are integrated as a chip, and is sealed by resin to form. A circle shaped coil 11 for transmission to transmit power and data without contact is equipped. A used amount of money, a residual amount, sale data, etc. Are stored in the IC card 9 to perform a game. |
