РАДИОВОЛНОВОЕ СРЕДСТВО ОБНАРУЖЕНИЯ НАРУШИТЕЛЯ

摘要

FIELD: alarm signaling . ^ SUBSTANCE: device has pulse generator, transfer line, receiver with detection channels, while effective spectrum of receiver gating band is separated on several bands of detection channels using high-frequency band filters, which in each detection channel have their own gating band, outputs of detection channels are connected to inputs of logical circuit AND, output of which is connected to input of executing system. ^ EFFECT: higher interference resistance. ^ 6 dwg