Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kaoru Kinjo0
Kazuyuki Ishida0
Takashi Mizuochi0
Date of Patent
October 5, 2010
0Patent Application Number
105621470
Date Filed
August 27, 2003
0Patent Primary Examiner
Patent abstract
A differential encoder generates a differentially encoded signal based on a data signal. An RZ (return to zero) encoder generates an electric RZ differential signal as an RZ signal in an electric area based on the differentially encoded signal. A Mach-Zehnder interferometer type intensity modulator generates an optical RZ-DSPK (differential phase shift keying) signal as an RZ signal in an optical area based on the electric RZ differential signal.
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