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DIFF Subgroup
H04N 23/84

for processing colour signals

Introduced: January 2023

Full Title

Cameras or camera modules comprising electronic image sensors; Control thereof > Camera processing pipelines; Components thereof > for processing colour signals

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2023.

Child Classifications

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  • H04N 23/841 CPC only CPC only
  • H04N 23/843 CPC only CPC only
  • H04N 23/85 for matrixing since 2023 IPC+CPC Available in IPC and CPC
  • H04N 23/86 for controlling the colour saturation of colour signals, e.g. automatic chroma control circuits since 2023 IPC+CPC Available in IPC and CPC
  • H04N 23/87 for reinsertion of DC or slowly varying components of colour signals since 2023 IPC+CPC Available in IPC and CPC
  • H04N 23/88 for colour balance, e.g. white-balance circuits or colour temperature control since 2023 IPC+CPC Available in IPC and CPC