Optical communications – Multiplex – Hybrid
Reexamination Certificate
2007-09-18
2007-09-18
Li, Shi K (Department: 2613)
Optical communications
Multiplex
Hybrid
C398S047000
Reexamination Certificate
active
10436543
ABSTRACT:
In an optical multiplexing communication system, a frequency conversion of the optical multiplexed signals having different amplitudes for different communication channels into a plurality of optical pulse sequences having different carrier frequencies for different communication channels is carried out, and the plurality of optical pulse sequences obtained by the frequency conversion are demultiplexed into optical pulse sequences for different communication channels.
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Fujiura Kazuo
Kato Masao
Kurihara Takashi
Souma Shunichi
Kilpatrick & Stockton LLP
Li Shi K
Nippon Telegraph and Telephone Corporation
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