| 摘要 |
FIELD: security. SUBSTANCE: device has power supply unit with charging unit 1 and storage battery 2, software unit A, detectors unit 4, control unit 3, alarm circuit which has message passing system 9 and siren 10, and intruder affecting unit 11. Unit which switches guarding mode of device is located inside guarded area, unit which switches guarding mode off is located outside. Software unit is designed according to cyclic scheme and has timer which resets circuit to its initial state after finish of guarding cycle. Device may be used for detection of access of intruder to monitored area, in particular, for guarding banks, safes, alarm about fire, gas leakage and so on. EFFECT: increased functional capabilities, simplified design, increased reliability. 4 cl, 3 dwg |
