METHOD OF CHECKING NON-OCCUPANCY OF TRACK CIRCUIT
FIELD: railway transport; railway signaling and communication. SUBSTANCE: according to proposed method, current signal is supplied to track circuit. Level of signals is detected at receiving end and compared with threshold value of receiver. Current on supply end is limited by nonlinear resistor at...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: railway transport; railway signaling and communication. SUBSTANCE: according to proposed method, current signal is supplied to track circuit. Level of signals is detected at receiving end and compared with threshold value of receiver. Current on supply end is limited by nonlinear resistor at changing of direction of transmission of said signal every second. EFFECT: improved reliability of track circuit. 1 dwg |
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