DIFF Subgroup
H04N 3/02 by optical-mechanical means only (H04N3/36 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by optical-mechanical means only
CPC: by optical-mechanical means only (H04N3/36 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Scanning details of television systems; Combination thereof with generation of supply voltages > by optical-mechanical means only
CPC:
Scanning details of television systems; Combination thereof with generation of supply voltages > by optical-mechanical means only (H04N3/36 takes precedence)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open