发明名称 |
Storage medium for preventing an irregular use by a third party |
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.
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申请公布号 |
USRE39802(E1) |
申请公布日期 |
2007.08.28 |
申请号 |
US19990476319 |
申请日期 |
1999.12.30 |
申请人 |
FUJITSU LIMITED |
发明人 |
HASEBE TAKAYUKI;AKIYAMA RYOTA;YOSHIOKA MAKOTO |
分类号 |
H04L9/32;G06F1/00;G06F12/14;G06F21/00 |
主分类号 |
H04L9/32 |
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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