FIELD: instrumentation engineering. SUBSTANCE: device has power supply unit with boost charging, program block, detectors assembly, start control block and two level signalization system which includes warning signals, siren sounding and response action unit operated by time programming regime for transgressor suppression. Devise switch on unit is placed inside guarding premise but switch off unit is placed outward. EFFECT: simpler construction, higher operation reliability. 4 cl, 3 dwg
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Authors
Dates
1997-03-27—Published
1995-03-24—Filed