发明名称 PROTECTED SOFTWARE RENTAL USING SMART CARDS
摘要 PCT No. PCT/FR95/00680 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed May 24, 1995 PCT Pub. No. WO95/32479 PCT Pub. Date Nov. 30, 1995System comprising a central processing unit and a dedicated unit. Said dedicated unit receives a communication protection module which controls a sequence controlling module containing a state machine and a cycle counter, a timing module activated by said sequence controlling module and a software protection module also activatable by said sequence controlling module.
申请公布号 EP0760982(A1) 申请公布日期 1997.03.12
申请号 EP19950920983 申请日期 1995.05.24
申请人 LORPHELIN, VINCENT 发明人 LORPHELIN, VINCENT
分类号 G06K17/00;G06F1/00;G06F12/14;G06F21/00;G06F21/10;G06F21/22;G06F21/34;G06Q20/00;G06Q30/00;G06Q30/02;G06Q30/04;G06Q40/00;G06Q50/00;(IPC1-7):G06F17/60 主分类号 G06K17/00
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