DIFF Subgroup
H04B 14/08 characterised by the use of a sub-carrier
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Transmission systems not characterised by the medium used for transmission > characterised by the use of a sub-carrier
CPC:
Transmission systems not characterised by the medium used for transmission (details thereof H04B1/00) > characterised by the use of a sub-carrier
No child classifications to compare. This is a leaf node in both IPC and CPC.