To enhance safety by effectively utilizing a dynamo which is a power supply for a headlight mounted for a bicycle night ride not only in night, but also in day, and making cognition from behind a bicycle and conspicuousness as high as possible.SOLUTION: Electric charging and lighting are alternated using a blink signal making good use of a free-running type multi-vibrator, and continuous lighting is provided after the electric charging. As a method of changing lightness of LEDs, a circuit constituted by connecting a plurality of constant-current control ICs in parallel and combining series-connected red power LEDs to them is divided into three groups of a day travel lighting circuit, a night travel lighting circuit, and a stop-time lighting circuit, and a choice among the three groups is made for operation with a control signal generated by suitably combining four kinds of signals which are a blink signal utilizing the free-running type multi-vibrator, an illuminance signal utilizing an illuminance sensor, a travel/stop signal utilizing a voltage generated by a dynamo, and a timer signal generated from the blink signal by utilizing a counter IC and a logic IC.SELECTED DRAWING: Figure 3

    【課題】自転車の夜間走行のために装備されている前照灯の電源である発電機を夜間のみでなく昼間にも有効活用し、自転車の後方からの認知度を限りなく高く、目立つ存在にして安全性の向上を図る。【解決手段】フリーランニング型マルチバイブレータを利用した点滅信号を使い充電と点灯を交互に行い充電後は連続点灯とする。また、LEDの明るさを変える方法として、複数個の定電流制御ICを並列に接続しこれに、直列接続した赤色パワーLEDを組み合わせて構成した回路を、昼間走行点灯回路、夜間走行点灯回路、停止時点灯回路の三つのグループに分け、フリーランニング型マルチバイブレータを利用した点滅信号、照度センサを利用した照度信号、発電機で発生する電圧を利用した走行・停止信号および点滅信号からカウンタICと論理IC利用して作ったタイマ信号の4種類の信号を適切に組み合わせた制御信号で三つのグループの中から取捨選択して動作させる。【選択図】図3


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    Titel :

    BICYCLE TAIL LIGHT BLINKING AND LIGHTING IN DAY AND NIGHT


    Weitere Titelangaben:

    昼夜点滅点灯する自転車用テールライト


    Beteiligte:

    Erscheinungsdatum :

    31.10.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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