FIELD: railway transport. SUBSTANCE: unoccupied track section has its length defined through the difference between the actual and preset level of railway line signal. The device contains five formers of logical null signal, four AND-units, two OR-units, two AND-OR-NOT units. EFFECT: higher accuracy of results, less labor consumed for the process. 3 cl, 3 dwg
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RU2025357C1 |
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RU2022853C1 |
