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
1982-12-01
Miscellaneous
No indication
English