Optical fiber tree and branch network for AM signal distribution

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United States of America Patent

PATENT NO 5331449
SERIAL NO

08031633

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Abstract

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The use of a doped optical fiber amplifier enables the transmission of multi-channel AM-VSB television signals. An Erbium doped fiber amplifier is disclosed. The amplifier is also useful for reducing second order distortion products produced in an amplitude modulated subcarrier optical communication system. The amplifier may be used in a tree and branch structure optical fiber television network.

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Patent Owner(s)

Patent OwnerAddress
LEVEL 3 COMMUNICATIONS LLC931 14TH ST DENVER CO 80202

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hall, Douglas W Corning, NY 21 664
Huber, David R Warrington, PA 46 3201
Murphy, Edward F Painted Post, NY 13 593

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