each combination of signals in different channels being represented by a fixed frequency

Full Title

Arrangements affording multiple use of the transmission path > Channels characterised by the type of signal > the signals being represented by different frequencies > each combination of signals in different channels being represented by a fixed frequency

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION