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PCE
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DIFF Subgroup
H05B 47/105

in response to determined parameters

Introduced: January 2020

Full Title

Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant > Controlling the light source > in response to determined parameters

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2020.

Child Classifications

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  • H05B 47/11 by determining the brightness or colour temperature of ambient light since 2020 IPC+CPC Available in IPC and CPC
  • H05B 47/135 by determining the type of light source being controlled (electrical parameters of light source being controlled H05B47/14) since 2020 IPC+CPC Available in IPC and CPC
  • H05B 47/14 by determining electrical parameters of the light source since 2020 IPC+CPC Available in IPC and CPC