DIFF Subgroup
H04B 7/212 Time-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 > Time-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 > Time-division multiple access
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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