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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04N 11/16

the chrominance signal alternating in phase, e.g. PAL-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 > the chrominance signal alternating in phase, e.g. PAL-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 > the chrominance signal alternating in phase, e.g. PAL-system

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

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