Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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5/00
Arrangements affording multiple use of the transmission path Display name: Digital Information transmission arrangements
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H04L5/14
Two-way operation using the same type of signal, i.e. duplex
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H04L5/18
Automatic changing of the traffic direction
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