发明名称 Method and apparatus for indicating the improper termination of a chip card communication
摘要 A method and apparatus for indicating a removal of a chip card from a corresponding write/read device are disclosed. Cards which are unpredictably electrically separated from the write/read device can store the event in the card memory and use it as information for a restart.
申请公布号 US5442295(A) 申请公布日期 1995.08.15
申请号 US19940213085 申请日期 1994.03.15
申请人 ANGEWANDTE DIGITAL ELECTRONIK GMBH 发明人 KREFT, HANS-DIEDRICH
分类号 G06K17/00;G06K19/073;G07F7/08;G07F7/10;(IPC1-7):G01R31/02 主分类号 G06K17/00
代理机构 代理人
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