DIFF Subgroup
H04B 3/58 Repeater circuits
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Line transmission systems > Systems for transmission power distribution lines > Repeater circuits
CPC:
Line transmission systems (combined with near-field transmission systems H04B5/00) > Systems for transmission via power distribution lines > Repeater circuits
No child classifications to compare. This is a leaf node in both IPC and CPC.