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PCE
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DIFF Subgroup
H04L 5/02

Channels characterised by the type of signal

Introduced: September 1968

Full Title

Arrangements affording multiple use of the transmission path > Channels characterised by the type of signal

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H04L 5/04 the signals being represented by different amplitudes or polarities, e.g. quadriplex IPC+CPC Available in IPC and CPC
  • H04L 5/12 the signals being represented by different phase modulations of a single carrier IPC+CPC Available in IPC and CPC