FIELD: physics.
SUBSTANCE: device consists seismic radiators, remote seismic signal receivers connected by a long cable to a central equipment observation station. Seismic detectors are fitted in directions of possible break in, where the seismic detectors consist of seismic radiators fitted with seismic signal receivers, units for processing information and control from effects of seismic signals. Also several seismic detectors can be fitted in directions of possible break in, with each next detector fitted in the coverage zone of the previous.
EFFECT: wider coverage zone of a security system, stealth operation of seismic radiators.
2 cl, 2 dwg
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