Scanning seismic intrusion detector employs array of automatically or manually scanned sensors to determine approximate location of intruder. Automatic-scanning feature enables one operator to tend system of many sensors. Typical sensors used with new system are moving-coil seismic pickups. Detector finds uses in industrial security systems.
Scanning Seismic Intrusion Detector
NASA Tech Briefs ; 6 , 4
01.12.1982
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Englisch