Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Maki Hiraizumi0
Yoshio Shimano0
Masao Nakata0
Date of Patent
June 30, 2009
0Patent Application Number
108822660
Date Filed
July 2, 2004
0Patent Primary Examiner
Patent abstract
A pumping unit supplies pumping light to a fiber connecting medium; a light monitoring unit detects light power of multiple-wavelength light; and a control unit controls the pumping light based on light power detected by the light monitoring unit and connecting medium information indicating optical characteristics in the connecting medium. The connecting medium information includes information indicating a fiber type of the fiber connecting medium, information indicating a length of the fiber connecting medium, an average fiber loss coefficient of the fiber connecting medium and an intra-station loss value.
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