DIFF Subgroup
H04N 1/60 Colour correction or control
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Colour picture communication systems > Processing of colour picture signals > Colour correction or control
CPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Colour picture communication systems > Processing of colour picture signals (H04N1/52 takes precedence) > Colour correction or control
CPC subdivides this area 13x more granularly than IPC with 12 additional codes.
12 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- H04N 1/62 Retouching, i.e. modification of isolated colours only or in isolated picture areas only since 1995 +4 CPC IPC+CPC Available in IPC and CPC