DIFF Subgroup
H04N 5/84 using optical recording (H04N5/80, H04N5/89, H04N5/91 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: using optical recording
CPC: using optical recording (H04N5/80, H04N5/89, H04N5/91 take precedence)
Full Title
Full titles differ between systems:
IPC:
Details of television systems > Television signal recording > using optical recording
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)
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- H04N 5/87 Producing a motion picture film from a television signal since 1980 IPC+CPC Available in IPC and CPC