CPC Subgroup
H04L 27/18 Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence)
Full Title
Modulated-carrier systems > Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence)
5 direct subcodes
Child Classifications
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- H04L 27/20 Modulator circuits; Transmitter circuits
- H04L 27/22 Demodulator circuits; Receiver circuits
- H04L 27/24 Half-wave signalling systems