DEVICE FOR THE DETERMINATION OF TRAFFIC JAMS AT CONTROLLED ROAD INTERSECTION

摘要

A device for the determination of traffic jams at controlled road intersection comprises a scanner with laser beam of infrared band, four photo receivers, three monovibrators, three OR gates, six pulse formers, adder, four pulse counters, evaluator, block of intersection entrance point in stop-line zone, block of exit from intersection in stop-line zone, discrete scanistor, comparator unit, R-S flip-flop, two AND gates.