Optical communications – Multiplex – Optical local area network
Reexamination Certificate
2005-12-20
2005-12-20
Phan, Hanh (Department: 2638)
Optical communications
Multiplex
Optical local area network
C398S082000, C398S083000, C398S085000, C398S079000, C398S058000, C398S070000, C398S071000, C398S072000, C398S003000, C398S004000, C398S005000, C385S024000, C385S039000, C385S043000, C385S015000, C370S401000, C370S403000, C370S404000, C370S406000, C370S451000, C370S452000
Reexamination Certificate
active
06978090
ABSTRACT:
A communications network having two complementary optical networks each connectable to a headend, each optical network comprising a plurality of periodic interleaving filters serially connected by optical waveguides such that an output port of one periodic interleaving filter is couple to an input port of another periodic interleaving filter, and wherein an input or output node of the network is formed by a non-serially connected input or output port of a periodic interleaving filter.
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Dyer Michael P
Dyke Peter
Forbes Duncan J
Barnes & Thornburg LLP
Nortel Networks Limited
Phan Hanh
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