Arrangements specially adapted for the transmitter end

Full Title

Arrangements for detecting or preventing errors in the information received > by using return channel > in which the return channel carries supervisory signals, e.g. repetition request signals > Automatic repetition systems, e.g. Van Duuren systems > Arrangements specially adapted for the transmitter end

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION