Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2005-09-30
2009-11-24
Leung, Christina Y (Department: 2613)
Optical communications
Multiplex
Wavelength division or frequency division
C398S090000, C398S200000
Reexamination Certificate
active
07623787
ABSTRACT:
One of two optical fibers connecting communication stations is used for transmitting multiple wavelength light supplied from a multiple wavelength light source supply apparatus, and the other for a bidirectional communication using optical signals of respective wavelengths generated from the multiple wavelength light. Alternatively, a transmission of multiple wavelength light and a bidirectional communication using the optical signals are enabled by only one optical fiber.
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Fujitsu Limited
Fujitsu Patent Center
Leung Christina Y
LandOfFree
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