| 摘要 |
PROBLEM TO BE SOLVED: To exchange a defective IC card correctly at the time of housing plural IC cards. SOLUTION: An electronic money safe 1 is provided with plural sockets 3a, 3b, 3e, and 3d, and IC cards 4a, 4b, 4c, and 4d are respectively mounted on them. Each LED 5a, 5b, 5c, and 5d is provided corresponding to each IC card 4a, 4b, 4c, and 4d. When any IC card breaks down, the LED corresponding to the defective IC card is turned on under the control of a control part 2. |
