Optical communications – Transmitter – Having particular modulation
Reexamination Certificate
2006-08-31
2010-11-02
Vanderpuye, Ken N (Department: 2613)
Optical communications
Transmitter
Having particular modulation
C398S185000, C398S183000, C398S182000, C398S202000
Reexamination Certificate
active
07826750
ABSTRACT:
An optical differentially phase shift keyed or DPSK binary signal which in the event of phase changes exhibits amplitude reductions and is phase-demodulated is provided. The received optical DPSK binary signal is additionally amplitude-demodulated and resulting phase and amplitude information is evaluated.
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Schairer Wolfgang
Weiske Claus-Jörg
Greenberg Laurence A.
Locher Ralph E.
Nokia Siemens Networks GmbH & Co. KG
Stemer Werner H.
Vanderpuye Ken N
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