Time division duplex communications repeater

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5726980
SERIAL NO

08620413

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Abstract

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A repeater for use with Time Division Duplex (TDD) communications such as CT2 delivered over mains electricity cables. The repeater is coupled to a mains cable via a branch (the cable is not broken) and in alternate TDD phases converts signals from f.sub.1 .fwdarw.f.sub.2 or f.sub.2 .fwdarw.f.sub.1 and amplifies them. A clock signal to control timing of the conversion step is derived from a dedicated channel, a tone, or a call in progress. A regenerator function may be combined with the repeater.

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Patent Owner(s)

Patent OwnerAddress
NORTEL NETWORKS LIMITEDWORLD TRADE CENTER OF MONTREAL 380 ST ANTOINE STREET WEST 8TH FLOOR MONTREAL QUEBEC H2Y 3

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rickard, Robin Paul Bishop's Stortford, GB 11 1380

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