Optical subscriber network transmission system
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United States of America Patent
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-
Dec 29, 1992
Issued Date -
N/A
app pub date -
Apr 19, 1990
filing date -
Nov 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an optical subscriber network transmission system which comprises a first optical transmission line whiich transmits information from a center to a subscriber, a second optical transmission line which transmits information from the subscriber to the center, and an auxiliary optical transmission line which is laid between the center and the subscriber.
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