DIFF Subgroup
H04N 5/40 Modulation circuits
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of television systems > Transmitter circuitry > Modulation circuits
CPC:
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Transmitter circuitry (H04N5/14 takes precedence) > Modulation circuits
No child classifications to compare. This is a leaf node in both IPC and CPC.