METHOD OF INSPECTING THE IDLENESS OF TRAIN TRAJECTORIES AND DEVICE FOR ITS REALIZATION Russian patent published in 1994 - IPC

FIELD: railway transport. SUBSTANCE: method lies in the fact that the idleness of a trajectory is recorded when the actual signal level in the rail line of the trajectory exceeds the average one in the rail lines on the span. The device has a pulse generator, two pulse counters, five flip-flops, a multiplexer, an analog-to-digital converter, a summator, a memory unit, two registers, a subtracter, a demultiplexer, a digital filter and AND element. EFFECT: improved method of inspecting. 2 cl, 4 dwg