Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1996-02-29
1998-09-01
Bacares, Rafael
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
356167, 356120, H04J 1402
Patent
active
058018646
ABSTRACT:
An optical frequency division multiplexing network includes first optical communication paths connected to terminals, respectively, a second optical communication path connected to the outside and a node composed of a selection unit for selecting signals having optical frequencies to be sent to the plurality of terminals, respectively, from signals transmitted through the second optical communication path in optical frequency division multiplexing, a conversion unit for converting the selected signals into signals having a single optical frequency and an output unit for producing the converted signals to the terminals through the first optical communication paths, respectively.
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Takai Atsushi
Takase Akihiko
Takeyari Ryoji
Bacares Rafael
Hitachi , Ltd.
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