IPC Subgroup
H04L 27/14 Demodulator circuits; Receiver circuits
Introduced: September 1968
Last revised: January 2006
Full Title
Modulated-carrier systems > Frequency-modulated carrier systems, i.e. using frequency-shift keying > Demodulator circuits; Receiver circuits
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04L 27/144 with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L 27/156 with demodulation using temporal properties of the received signal, e.g. detecting pulse width