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