DIFF Main Group
H04J 11/00 Orthogonal multiplex systems, (H04J13/00 takes precedence)
Introduced: July 1974
Title
Titles differ between systems:
IPC: Orthogonal multiplex systems
CPC: Orthogonal multiplex systems, (H04J13/00 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Orthogonal multiplex systems
CPC:
Orthogonal multiplex systems, (H04J13/00 takes precedence)
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
Child Classifications
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