PROBLEM TO BE SOLVED: To provide an electric power assist bicycle preventing a discomfort feeling caused by an operation part of an operation panel and preventing waste of a battery.SOLUTION: An electric power assist bicycle is equipped with an operation panel 100. The operation panel 100 comprises: an information display part 101; an operation part 102; a back light for the information display part 101; a back light for the operation part 102; illuminance measurement means 103; and illuminance determination means which compares the illuminance I measured by the illuminance measurement means 103 with a determination reference illuminance Is and determines the magnitude relation. When the illuminance determination means determines the relation to be I≤Is, the back light for the operation part 102 is lighted, and when the illuminance determination means determines the relation to be I>Is, the back light for the operation part 102 is put out.

    【課題】操作パネルの操作部のもたらす違和感を防止し、かつ、バッテリーの浪費を防止することができる操作パネルを備えた電動アシスト自転車を提供する。【解決手段】操作パネル100を備えた電動アシスト自転車である。操作パネル100が、情報表示部101と、操作部102と、情報表示部101用のバックライトと、操作部102用のバックライトと、照度測定手段103と、照度測定手段103により測定された照度Iを判定基準照度Isと比較して大小関係を判定する照度判定手段と、を備え、照度判定手段がI≰Isと判定した場合に、操作部102用のバックライトが点灯し、照度判定手段がI>Isと判定した場合に、操作部102用のバックライトが消灯する。【選択図】図5


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    Titel :

    ELECTRIC POWER ASSIST BICYCLE


    Weitere Titelangaben:

    電動アシスト自転車


    Beteiligte:

    Erscheinungsdatum :

    2015-10-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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