FIELD: security facilities.
SUBSTANCE: invention relates to security alarms and can be used, in particular, for detecting an intruder upon overcoming to it the detection zone created by the device. Device comprises installed on opposite sides of a security boundary transmitter and receiver of directed frequency radiation. First and second servo drives of the transmitting unit and the third and fourth servo drives of the receiving unit are configured to align the blocks in space, respectively, along the azimuth and the elevation angle. Signal processor is configured to control the first and second servo drives of the transmitting unit, control of the third and fourth servo drives of the receiving unit, threshold processing of the useful signal and decision-making on the violator crossing the guard line with the formation of an alarm signal or the generation of a fault signal.
EFFECT: technical result is the ability to align the transmitting and receiving units of the device in azimuth and elevation in automatic mode.
4 cl, 2 dwg
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