Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koji Goto0
Hidenori Taga0
Date of Patent
August 8, 2006
0Patent Application Number
107832270
Date Filed
February 19, 2004
0Patent Primary Examiner
Patent abstract
An optical receiving apparatus includes a signal brancher for branching an optical input signal received from an optical transmission line into a first signal component and a second signal component, a clock extractor for extracting a clock having an amplitude from the second signal component, and a discriminator for discriminating the first signal component. The apparatus also includes a threshold controller for generating a discrimination threshold for the discriminator according to a relationship between the extracted clock amplitude and a bit error rate to which the extracted clock amplitude corresponds.
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