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PCE
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DIFF Subgroup
H04N 5/85

on discs or drums

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Details of television systems > Television signal recording > using optical recording > on discs or drums

CPC:

Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Television signal recording > using optical recording (H04N5/80, H04N5/89, H04N5/91 take precedence) > on discs or drums

No child classifications to compare. This is a leaf node in both IPC and CPC.