| 摘要 |
PURPOSE:To easily sum up the sales information of respective card processors without considerably increasing manufacture cost in the card transaction processor consisting of the plural card processors to perform transactions with prepaid card. CONSTITUTION:A summing-up card 4 having the same configuration as a prepaid card 3 is prepared, the card 4 is inserted to a card inserting port 14 of each card processor 1, the sales information of each card processor 1 is magnetically recorded in this card 4, thereafter the card 4 is inserted to the card inserting port 14 of a master card processor 2, and the sales information recorded in each card 4 is read by the master card processor 2. Thus, the sales information of respective card processors 1 can be simultaneously summed up by the master card processor 2. |
