with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements

Full Title

Modulated-carrier systems > Frequency-modulated carrier systems, i.e. using frequency-shift keying > Demodulator circuits; Receiver circuits > with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

Child Classifications

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• H04L 27/148 using filters, including PLL-type filters
• H04L 27/152 using controlled oscillators, e.g. PLL arrangements