Intrusion detector
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United States of America Patent
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Dec 31, 1985
Grant Date -
N/A
app pub date -
Sep 24, 1982
filing date -
May 14, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention is an intrusion detector which uses codirectionally coupled CW leakly cable sensor techniques. Successive sensors are connected serially through R.F. decouplers, and each is polled and is sent power from a control unit via the serial cables, through the decouplers. The detector thus provides both intrusion detection and a secure data link.
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