DIFF Subgroup
F21S 41/65 by acting on light sources
Introduced: January 2018
Full Title
Full titles differ between systems:
IPC:
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps > characterised by a variable light distribution > by acting on light sources
CPC:
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) > characterised by a variable light distribution > by acting on light sources
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2018.
Child Classifications
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- F21S 41/663 by switching light sources (by switching incandescent light sources F21S41/162) since 2018 IPC+CPC Available in IPC and CPC