| 发明名称 |
Data storage protection |
| 摘要 |
Data storage apparatus includes at least three access security levels and switching means for selectively connecting a user to said apparatus at a pre-determined one of said access security levels. <IMAGE> |
| 申请公布号 |
GB2230881(A) |
申请公布日期 |
1990.10.31 |
| 申请号 |
GB19900009640 |
申请日期 |
1990.04.30 |
| 申请人 |
CHRISTOPHER WILLIAM * COWSLEY |
发明人 |
CHRISTOPHER WILLIAM * COWSLEY |
| 分类号 |
G06F1/00;G06F11/32;G06F21/00;G11B19/04;G11B20/00 |
主分类号 |
G06F1/00 |
| 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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