发明名称 |
Alarm system. |
摘要 |
<p>A security alarm system (10) has a fine trip wire (12) and a continuity monitor (14) for monitoring continuity of the trip wire. If the trip wire is broken then a trigger signal is provided by the continuity monitor and activates an alarm (16) such as a rocket or flare. The continuity monitor may monitor the continuity of the trip wire continuously, or at periodic intervals.</p> |
申请公布号 |
EP0062461(A1) |
申请公布日期 |
1982.10.13 |
申请号 |
EP19820301593 |
申请日期 |
1982.03.26 |
申请人 |
PLICHTA, BOHUMIL MARIA JAN |
发明人 |
PLICHTA, BOHUMIL MARIA JAN |
分类号 |
G08B13/12;(IPC1-7):08B13/12 |
主分类号 |
G08B13/12 |
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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