the signals being represented by different amplitudes or polarities, e.g. quadriplex

Full Title

Arrangements affording multiple use of the transmission path > Channels characterised by the type of signal > the signals being represented by different amplitudes or polarities, e.g. quadriplex

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION