发明名称 |
PERFORMING FIXED-VALUE TRANSACTIONS WITH A SMART CARD |
摘要 |
A smart card for use with a system capable of receiving a transaction message includes a memory storing a program and data representative of one or more fixed-value units and a microcontroller configured by the program to furnish the transaction and modify the data to reduce the number of fixed-value units by a predetermined amount when the transaction is furnished. A method of performing fixed-value transactions using the smart card is also disclosed. |
申请公布号 |
WO9859324(A3) |
申请公布日期 |
1999.03.18 |
申请号 |
WO1998IB01131 |
申请日期 |
1998.06.23 |
申请人 |
SCHLUMBERGER INDUSTRIES, S.A. |
发明人 |
GUTHERY, SCOTT, B. |
分类号 |
G07F7/02;G07F7/08 |
主分类号 |
G07F7/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|