| 摘要 |
<p>PURPOSE:To obtain the sufficient recording capacity of a card, i.e., a thin electronic device and to apply this card to a card type electronic calculator, etc., by providing an address display means and a data writable/readable recording medium on the surface of the card to execute writing and read-out of data each address. CONSTITUTION:An address display means S and a data writable/readable recording medium M are provided on the surface of a card CD. The vertical and horizontal ranges YL and XL are provided to the medium M, and an address detecting means PS is set opposite to the means S. The card CD is shifted in the prescribed direction by the address detected by the means PS. While a shift belt HB is attached to a magnetic head MH, and the medium M is scanned by the head MH and according to the address detected by the means SP. The sufficient recording capacity is given to the CD. Thus an address display means S is added to a card type electronic calculator containing a keyboard part 1, a key 2, a liquid crystal display device 3, etc.</p> |
