Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04B 7/208

Frequency-division multiple access

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Radio transmission systems, i.e. using radiation field > Relay systems > Active relay systems > Multiple access > Frequency-division multiple access

CPC:

Radio transmission systems, i.e. using radiation field (H04B10/00, H04B15/00 take precedence) > Relay systems > Active relay systems > Multiple access > Frequency-division multiple access

No child classifications to compare. This is a leaf node in both IPC and CPC.