An improved safety system used to determine the present position of a car riding on railroad tracks that provides data to control signals, such as flashing lights, and crossing gates at railroad grade crossings in order to prevent accidents with vehicles or persons.


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    Titel :

    CONTROL SYSTEM FOR SIGNALS AT RAILROAD GRADE CROSSINGS


    Beteiligte:

    Erscheinungsdatum :

    07.11.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



    Control system for signals at railroad grade crossings

    MCMAHON PATRICK WILLIAM | Europäisches Patentamt | 2021

    Freier Zugriff

    Railroad grade crossings

    Webber, William O. | Engineering Index Backfile | 1895


    Railroad grade crossings

    Engineering Index Backfile | 1895


    Railroad grade crossings

    Rollins, Jr., James W. | Engineering Index Backfile | 1895


    Railroad crossings at grade

    Locke, A.W. / Webber, William O. / Kimball, George A. | Engineering Index Backfile | 1889