DIFF Subgroup
H04N 5/89 using holographic recording (H04N5/91 takes precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: using holographic recording
CPC: using holographic recording (H04N5/91 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Details of television systems > Television signal recording > using holographic recording
CPC:
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Television signal recording > using holographic recording (H04N5/91 takes precedence)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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