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    • 1. 发明申请
    • LED VOLTAGE MEASUREMENT
    • LED电压测量
    • WO2011101398A2
    • 2011-08-25
    • PCT/EP2011052329
    • 2011-02-17
    • TRIDONIC AGCOMBET DOMINIQUEKUCH THOMAS
    • COMBET DOMINIQUEKUCH THOMAS
    • H05B33/08
    • H05B33/089
    • The invention relates to an operating circuit for at least one light-emitting diode path (L) with at least one light-emitting diode (LED), comprising a switched-node regulator circuit (SRS), to which a DC voltage is supplied and which provides a constant current for the at least one light-emitting diode path (L), wherein the primary side (P1) of a current mirror (S) is connected in parallel to the light-emitting diode path (L) and a measurement voltage (Umess) is tapped on the secondary side (P2) at a resistance (R2), which is proportional to the voltage drop at the light-emitting diode path (L).
    • 本发明涉及一种用于至少一个发光部(L)与至少一个发光二极管(LED),包括:开关调节器电路,其被提供DC电压,并且提供用于所述至少一个发光部(L)的恒定电流(SRS),平行于所述操作电路 LED的距离(L),电流镜的一次侧(P1)连接(S)和在次级侧(P2)在电阻(R2)一个在所述发光部(L)成比例的测量电压(U MEAS)上的电压降被窃听。