| 摘要 |
<p>PURPOSE:To prevent operational error and improper use by a method wherein applicability of a card can be checked at a card access of an automatic device previously and easily so that the card is prevented from entering into the device when the card is improper. CONSTITUTION:A card A 1, a card B 2, and a card C 3 have respectively card identification apertures 4, 5 and 6, 7, 8 so as to form card identifying parts. Uses of the card A 1, the card B 2, and the card C 3 are different from each other. The number of apertures for identifying cards and arrangements or shapes thereof in the respective cards are different from each other.</p> |
