发明名称 |
Integrated circuit for memorizing and processing information confidentially, including an anti-fraud device |
摘要 |
An integrated circuit for memorizing and processing information confidentially, which includes a device for controlling access to its own functions, intended to receive a confidential code, and a time delay circuit imparting a minimum predetermined delay between two attempts at introducing a confidential code even in the event of a power cut of the circuit between attempts.
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申请公布号 |
US4851653(A) |
申请公布日期 |
1989.07.25 |
申请号 |
US19870117510 |
申请日期 |
1987.11.06 |
申请人 |
THOMSON COMPOSANTS MILITAIRES & SPACIAUX |
发明人 |
LIMISAQUE, GILLES;SOURGEN, LAURENT |
分类号 |
G06F12/14;G06F21/00;G06F21/22;G06F21/24;G07F7/10 |
主分类号 |
G06F12/14 |
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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