| 摘要 |
PROBLEM TO BE SOLVED: To provide an IC card reading/writing device for simply and easily collecting money amount information from a commodity seller IC card, by which money amount information is collected without drawing-out the commodity seller IC card inside the IC card reading/writing device every time. SOLUTION: The commodity seller IC card 7 is stored in the card mounting means 5 of the IC card reading/writing device 1 and the IC card 8 being exclusive for commodity seller money amount collection is provided in order to collect money amount information of the commodity seller IC card 7. When a commodity purchaser IC card 9 is inserted to a card mounting means 6, money information is transferred from the commodity purchaser IC card 9 to the commodity seller IC card 7. When the proper IC card 8 being exclusive for commodity seller money amount collection is inserted, money amount information is transferred from the commodity sales IC card 7 to the IC card 8 being exclusive for commodity seller money amount collection. |
