DIFF Subgroup
H04L 27/156 with demodulation using temporal properties of the received signal, e.g. detecting pulse width
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Modulated-carrier systems > Frequency-modulated carrier systems, i.e. using frequency-shift keying > Demodulator circuits; Receiver circuits > with demodulation using temporal properties of the received signal, e.g. detecting pulse width
CPC:
Modulated-carrier systems > Frequency-modulated carrier systems, i.e. using frequency-shift keying (H04L27/32 takes precedence) > Demodulator circuits; Receiver circuits > with demodulation using temporal properties of the received signal, e.g. detecting pulse width
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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