发明名称 |
Portable computer system having password control means for holding one or more passwords such that the passwords are unreadable by direct access from a main processor |
摘要 |
A portable computer system includes a keyboard for inputting at least a password, and a main CPU for controlling the system operation to perform a data processing. Particularly, the computer system further includes a password control section, holding one or more registered passwords as being unreadable by direct access from the main CPU, for allowing the main CPU to perform the data processing when a password identical to one of the registered passwords held therein is input by the keyboard.
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申请公布号 |
US5931948(A) |
申请公布日期 |
1999.08.03 |
申请号 |
US19970927295 |
申请日期 |
1997.09.11 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
MORISAWA, TOSHIKAZU;YAMAKI, MASAYO;TSUKADA, HIROYUKI;MAMATA, TOHRU;KAWAWA, TATSUYA |
分类号 |
G06F21/00;G06F21/31;G06F21/83;(IPC1-7):G06F12/14;H04L9/00 |
主分类号 |
G06F21/00 |
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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