| 发明名称 |
ADAPTABLE VALUE-TOKEN |
| 摘要 |
<p>The present invention provides a multiple use adaptive transaction token comprising a plurality of fixed and changeable memories for data and program storage, transfer means for transfering data bidirectionally between the token and an external data base, and a multi-function keyboard for enabling selection of one of at least two operating modes of the token.</p> |
| 申请公布号 |
CA1191271(A) |
申请公布日期 |
1985.07.30 |
| 申请号 |
CA19820408165 |
申请日期 |
1982.07.27 |
| 申请人 |
HALPERN, JOHN W.;WARD, WILLIAM |
发明人 |
CHALMERS, DAVID A. |
| 分类号 |
G06K7/08;G06K19/07;G06K19/077;G07B15/00;G07B15/02;G07C9/00;G07F7/10;(IPC1-7):G06F3/02 |
主分类号 |
G06K7/08 |
| 代理机构 |
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| 主权项 |
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