The linear regulator (40) supplies the first drive current (I1) to the first light source (24) during a first period in which the first light source (24) is turned on and the second light source (25) is not turned on, and during a second period in which the first light source (24) and the second light source (25) are turned on, and stops the supply of the first drive current (I1) during a third period in which the first light source (24) and the second light source (25) are turned off. The switching regulator (41) supplies the second drive current (I2) to the second light source (25) during the second period, and stops the supply of the second drive current (I2) during the third period.

    线性调节器(40)在使第1光源(24)点亮而不使第2光源(25)点亮的第1期间、和使第1光源(24)以及第2光源(25)点亮的第2期间,向第1光源(24)供给第1驱动电流(I1),在使第1光源(24)以及第2光源(25)熄灭的第3期间,停止供给第1驱动电流(I1)。开关调节器(41)在第2期间,向第2光源(25)供给第2驱动电流(I2),在第3期间,停止供给第2驱动电流(I2)。


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    Titel :

    Lighting circuit and direction indicator lamp for vehicle


    Weitere Titelangaben:

    点亮电路以及车辆用方向指示灯


    Beteiligte:
    OHTA SHINJI (Autor:in) / DAIGO SUSUMU (Autor:in)

    Erscheinungsdatum :

    30.08.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    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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