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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04N 11/14

in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Colour television systems > Transmission systems characterised by the manner in which the individual colour picture signal components are combined > using simultaneous signals only > in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system

CPC:

Colour television systems (details H04N9/00) > Transmission systems characterised by the manner in which the individual colour picture signal components are combined > using simultaneous signals only > in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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  • H04N 11/143 CPC only CPC only
  • H04N 11/146 CPC only CPC only