发明名称 |
Multiple sensor interconnected alarm system responsive to different variables |
摘要 |
An alarm, safeguarding and monitoring system for a room zone includes a plurality of sensors disposed at different positions and responsive to different physical phenomena, such as an ultrasonic sensor, an infrared sensor and a microwave sensor. The sensor outputs are individually coupled to majority decision, central processing unit and alarm generator circuits by a plurality of redundant signal links to minimize malfunction in the event of disruption or tampering.
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申请公布号 |
US4401976(A) |
申请公布日期 |
1983.08.30 |
申请号 |
US19810225000 |
申请日期 |
1981.01.14 |
申请人 |
STADELMAYR, HANS-GUENTHER |
发明人 |
STADELMAYR, HANS-GUENTHER |
分类号 |
G08B23/00;G08B13/00;G08B13/16;G08B13/19;G08B25/00;G08B29/04;G08B29/16;G08B29/18;(IPC1-7):G08B13/16;G08B13/18 |
主分类号 |
G08B23/00 |
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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