A monitoring system for a wayside signaling device includes a light emitting diode (LED) circuit with an LED array, a LED driver unit for driving the LED array, and a mechanism for connecting and disconnecting the LED circuit, and an optical light sensing circuit with a light-controlled variable resistor operably coupled to a resistor driver unit including relay functionality. The LED circuit and the sensing circuit are arranged such that the light-controlled variable resistor monitors an output of the LED array, and that the relay functionality triggers the mechanism to connect or disconnect the LED circuit based on the output of the LED array.


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    Titel :

    Monitoring system, wayside LED signaling device, and method for monitoring a wayside LED signaling device


    Beteiligte:
    PLESS TRAVIS (Autor:in) / DEJARNATT BARTON (Autor:in)

    Erscheinungsdatum :

    04.04.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01J Messen der Intensität, der Geschwindigkeit, der spektralen Zusammensetzung, der Polarisation, der Phase oder der Pulscharakteristik von infrarotem, sichtbarem oder ultraviolettem Licht , MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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