发明名称 |
Method for controlling entry to secure areas has potential entrant questioned and given coding to reach required area |
摘要 |
A visitor calls the target person and if given a suitable response is provided with a temporary key code which is sent to a control unit which then provides coded access only to all security locks to the target area.
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申请公布号 |
DE10147936(A1) |
申请公布日期 |
2003.04.30 |
申请号 |
DE20011047936 |
申请日期 |
2001.09.28 |
申请人 |
SIEMENS AG |
发明人 |
NEUMANN, PETER |
分类号 |
E05B49/04;G07C9/00;(IPC1-7):G07C9/00 |
主分类号 |
E05B49/04 |
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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