Optical communications – Diagnostic testing – Determination of communication parameter
Reexamination Certificate
2006-07-11
2006-07-11
Payne, David C. (Department: 2638)
Optical communications
Diagnostic testing
Determination of communication parameter
C398S110000, C398S031000, C379S032010, C340S003100
Reexamination Certificate
active
07076164
ABSTRACT:
A pilot tone generator receives optical energy from an optical communication medium carrying a plurality of optical signals. Each optical signal carries data modulated at a unique wavelength and further modulated with a unique identification signal. The identification signal has an amplitude corresponding to an optical power of the associated optical signal. The pilot tone receiver detects each identification signal from the optical energy received and determines its corresponding amplitude. The pilot tone receiver calculates the optical power of each optical signal in the optical energy in response to the amplitude of the associated identification signal.
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Brorson Stuart D.
Carrick John C.
Saint Georges Eric B.
Talmadge Paul C
Baker & Botts L.L.P.
Payne David C.
Tellabs Operations Inc.
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