PROBLEM TO BE SOLVED: To provide a lighting circuit capable of completely turning off in an emergency such as partial disconnection by a simple circuit constitution.SOLUTION: The lighting circuit for emitting light by flashing an emission part having a plurality of light sources includes an abnormality detection part for generating abnormality information, when detecting an abnormality in one or more of the plurality of light sources, and a holding circuit for holding the abnormality information during a supplying period of a flashing signal. A driving current is supplied to the plurality of light sources following the flashing signal, and supply of the driving current to the all light sources is stopped corresponding to the abnormality information held by the holding circuit.SELECTED DRAWING: Figure 1

    【課題】簡易な回路構成で、一部断線等の異常時に全消灯できる点灯回路を実現する。【解決手段】複数の光源を有する発光部を点滅して発光させる点灯回路において、複数の光源のうちの1つでも異常を検出した場合に異常情報を生成する異常検出部と、点滅信号が供給されている期間は前記異常情報を保持する保持回路とを備える。そして点滅信号に従って複数の光源に対して駆動電流を供給するとともに、保持回路で保持された異常情報に応じて、全ての光源に対する駆動電流の供給を停止させるようにする。【選択図】図1


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    Titel :

    LIGHTING CIRCUIT, AND TURN SIGNAL LAMP FOR VEHICLE


    Weitere Titelangaben:

    点灯回路、車両用ターンシグナルランプ


    Beteiligte:
    OTA SHINJI (Autor:in)

    Erscheinungsdatum :

    2017-07-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / H05B ELECTRIC HEATING , Elektrische Heizung



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