DIFF Subgroup
H04N 5/50 Tuning indicators; Automatic tuning control
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of television systems > Receiver circuitry > Tuning indicators; Automatic tuning control
CPC:
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Receiver circuitry (H04N5/14 takes precedence) > Tuning indicators; Automatic tuning control
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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