发明名称 |
IC memory card |
摘要 |
An IC memory card having an interface circuit complying with PC card standard and a memory comprises a password check circuit for comparing a password input from an external computer with a predetermined password and one or both of a data decipherment circuit for deciphering enciphered data stored in the memory if the passwords coincide with each other and a data encipherment circuit for enciphering data input from the external computer if the passwords coincide with each other.
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申请公布号 |
US6079019(A) |
申请公布日期 |
2000.06.20 |
申请号 |
US19970820760 |
申请日期 |
1997.03.19 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
FUKUZUMI, TOMOYA |
分类号 |
G11C11/34;G06F12/14;G06F21/24;G06K17/00;G06K19/07;(IPC1-7):G06F12/14 |
主分类号 |
G11C11/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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