| 摘要 |
PURPOSE:To facilitate confirmation of bankbook contents dependent upon customers and reduce the equipment cost of a printer and so on, by providing the function of a bankbook in one card main body and by setting a processing unit to this card main body to provide the bankbook function and the microcalculator function. CONSTITUTION:Display part 1 and keyboard part 2 are arranged on the surface of the card main body as a card bankbook, and this keyboard part 2 is provided with keys 21-26 for bankbook as a bankbook function. Keys other than keys 21-26 for bankbook are used as the microcalculator function, and magnetic stripe 3 and hook 4 for battery exchange are arranged on the reverse face of the card main body. Aperture 6 where plug 7 provided in the card reader side of the processing unit can be inserted is provided on the surface to connect the processing unit, and thus, data from the internal memory of the card main body can be read and deciced for validity. When plug 7 is not inserted, bankbook contents can be confirmed, and further, the card can be used as a normal microcalculator. |
