US Patent 7929862 Optical transmission system and optical transmission method
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Patent abstract
After implementing a scrambler upon an electric signal of digital signals to be transmitted to a user terminal, this electric signal is converted into a digital optical signal, and an analog optical signal and this digital optical signal are multiplexed by wavelength division multiplexing, thereby reducing influence of cross-talk interference that is exerted on the analog optical signal by the digital optical signal.
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Patent Inventor Names
Akihiko Ichikawa0
Hiroshi Nishimoto0
Katsuhiko Hakomori0
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US Patent 07929862 Optical transmission system and optical transmission method US Patent 7929862 Optical transmission system and optical transmission method
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Patent Number
07929862
Patent Number
7929862
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US Patent 07929862 Optical transmission system and optical transmission method
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Is a
Patent jurisdiction
Patent number
07929862
Date of patent
April 19, 2011
Patent application number
11045486
Date Filed
January 31, 2005
Patent primary examiner
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