CPC Subgroup
H05B 45/10 Controlling the intensity of the light
Full Title
Circuit arrangements for operating light-emitting diodes [LED] > Controlling the intensity of the light
3 direct subcodes
Child Classifications
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- H05B 45/12 using optical feedback
- H05B 45/14 using electrical feedback from LEDs or from LED modules
- H05B 45/18 using temperature feedback