| 摘要 |
<p>PURPOSE:To purchase many kinds of articles or receive service with one card and to allows a user to set the prepaid amount of money freely by providing a card which has plural write parts, a writing means, and a reading and writing means. CONSTITUTION:The card 1 when used is inserted into the writing means 3 and currency for optional charge is inserted; and then the writing means 3 detects an unwritten part among write pats 2 on the card 1 and writes data on an article code, the charge, etc., at the part in certain format. Then the card 1 is inserted into the reading and writing means 6 capable of accessing data in the same format when operation for purchasing an article is carried out, the reading and writing means 6 retrieves a data sequence having the article code among the write parts 2 on the card 1 and reads and rewrites the data sequence. Consequently, one card can be utilized for purchasing of articles, service, etc., i.e. many purposes and the prepaid amount of money can freely be set by the user.</p> |
