Television signal processing therefor

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Details of television systems > Television signal recording > Television signal processing therefor

CPC:

Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Television signal recording > Television signal processing therefor

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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H04N 5/911 for the suppression of noise since 1995 IPC+CPC Available in IPC and CPC
H04N 5/913 for scrambling since 1995 +3 CPC IPC+CPC Available in IPC and CPC
H04N 5/915 for field- or frame-skip recording or reproducing since 1995 +1 CPC IPC+CPC Available in IPC and CPC
H04N 5/917 for bandwidth reduction since 1995 IPC+CPC Available in IPC and CPC
H04N 5/92 Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback since 1980 +1 CPC −2 IPC IPC+CPC Available in IPC and CPC
H04N 5/93 Regeneration of the television signal or of selected parts thereof since 1980 +1 CPC IPC+CPC Available in IPC and CPC