发明名称 |
System to detect lock tampering |
摘要 |
A lock and key system is configured to sense an operational signature generated by an object placed into a keyway in the system. The system is further configured to compare the operational signature with a reference signature, and to generate an alarm when the operational signature differs from the reference signature by a threshold.
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申请公布号 |
US7397341(B2) |
申请公布日期 |
2008.07.08 |
申请号 |
US20060403479 |
申请日期 |
2006.04.13 |
申请人 |
HONEYWELL INTERNATIONAL, INC. |
发明人 |
BHAT RAJESHWARI;K N DINESH KUMAR;SAJU FRANCIS C V |
分类号 |
G08B29/00 |
主分类号 |
G08B29/00 |
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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