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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H04L25/02
Details; ; arrangements for supplying electrical power along data transmission lines
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H04L25/0224
using sounding signals
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H04L25/0228
with direct estimation from sounding signals
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H04L25/023
with extension to other symbols
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H04L25/0236
using estimation of the other symbols
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