DIFF Subgroup
H04N 7/22 Adaptations for optical transmission
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Television systems > Adaptations for optical transmission
CPC:
Television systems (details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00) > Adaptations for optical transmission
No child classifications to compare. This is a leaf node in both IPC and CPC.