摘要 |
<p>PURPOSE: To make the display quality of the card with a rewritable display part uniform by managing the quality of the card display part according to the frequency of rewriting. CONSTITUTION: The rewritable card 10, equipped with the rewritable display part 11 and a magnetic recording part 12, has information, showing the current frequency of rewriting, displayed and/or recorded at the display part 11 and/or magnetic recording part 12. When the information of the card 10 is rewritten, the rewriting frequency displayed at the display part 11 is checked and the rewriting frequency recorded at the magnetic recording part is read to judge whether or not the card is rewritable. When the card 10 is rewritable, necessary items are inputted from a terminal 1 and a card issuing machine 2 rewrites the information of the card. Further, the ID number of the card is recorded at the magnetic recording part 12 and then a host computer can manages the rewriting frequency.</p> |