CPC Subgroup
H04L 5/02 Channels characterised by the type of signal
Full Title
Arrangements affording multiple use of the transmission path > Channels characterised by the type of signal
4 direct subcodes
Child Classifications
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- H04L 5/04 the signals being represented by different amplitudes or polarities, e.g. quadriplex
- H04L 5/06 the signals being represented by different frequencies (combined with time-division multiplexing H04L5/26)
- H04L 5/12 the signals being represented by different phase modulations of a single carrier