发明授权
- 专利标题： Storage medium for preventing an illegal use by a third party
- 专利标题（中）： 用于防止第三方非法使用的存储介质
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申请号： US341176申请日： 1994-11-18
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公开(公告)号： US5555304A公开(公告)日： 1996-09-10
- 发明人: Takayuki Hasebe , Ryota Akiyama , Makoto Yoshioka
- 申请人： Takayuki Hasebe , Ryota Akiyama , Makoto Yoshioka
- 申请人地址： JPX Kanagawa
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： JPX Kanagawa
- 优先权： JPX4-058048 19920316
- 主分类号： G06F12/14
- IPC分类号： G06F12/14 ; G06F1/00 ; G06F21/00 ; G06F21/22 ; G06F21/24 ; G09C1/00 ; G11B7/007 ; H04L9/32
摘要：
A storage medium stores encrypted electronic data, a medium personal number which is unique for each storage medium and encrypted permission information. At least the medium personal number is written onto the storage medium in an un-rewritable form which a user computer cannot rewrite.
公开/授权文献
- US4945376A Camera having interchangeable lenses 公开/授权日：1990-07-31