Optical communications – Diagnostic testing – Determination of communication parameter
Reexamination Certificate
2005-06-21
2005-06-21
Sedighian, M. R. (Department: 2633)
Optical communications
Diagnostic testing
Determination of communication parameter
C398S155000, C398S154000
Reexamination Certificate
active
06909848
ABSTRACT:
A self-healing bit rate transducer in an optical transmission system includes a demultiplexer for demultiplexing optical signals into different wavelength channels; bit rate receivers for converting the demultiplexed optical signals into the corresponding electrical signals, for generating a bit-rate error signal, and for generating a temperature reference signal; a detecting section for generating a signal indicative of the bit rate of the optical signals outputted from the demultiplexer; and a controller for comparing the detected bit rate with a predetermined data to generate a control signal that is used to adjust the bit rate of the respective bit rate receiver.
REFERENCES:
patent: 6549572 (2003-04-01), Anderson et al.
patent: 2003/0161635 (2003-08-01), Milton et al.
“Bit-rate transparent electronic data regeneration in repeaters for high speed lightwave communication systems”, Mokhtari et al., Circuits and Systems, Proceedings of the 1999 IEEE International Symposium on, vol. 2, May 30-Jun. 2, 1999, p. 508-511.
Kim Sang-Ho
Koh Jun-Ho
Yang Kwang-Jin
Cha & Reiter L.L.C.
Curs Nathan
Samsung Electronics Co,. Ltd.
Sedighian M. R.
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