Train detection on steam worked lines uses relay across rails which is shorted out by train; power considerations normally restrict rail voltage to 0.3 v; in certain circumstances this voltage is insufficient to rupture insulating surface films on wheels and rails and train is not detected; system is described which uses 20 v pulses generated by transistor circuit, and detects vehicles not detected by 0.3 v system.


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    Titel :

    Pulse track-circuit system


    Weitere Titelangaben:

    Brit Communications Electronics


    Beteiligte:
    Jones, P.D. (Autor:in) / Roberts, M.H. (Autor:in) / Wright, M.J. (Autor:in)


    Erscheinungsdatum :

    1961


    Format / Umfang :

    4 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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