US Patent 7792428 Optical add/drop multiplexer
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Patent abstract
A core unit arranged in a transmission path includes a through path for causing an input signal to an input port to pass through to an output port, a drop-side port 25a that drops the input signal having a predetermined wavelength, and an add-side port 25b that adds channel having a predetermined wavelength to the input light.
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Patent Inventor Names
Akihiko Isomura0
Akira Miura0
Hiroki Ooi0
Jens C. Rasmussen0
Takafumi Terahara0
Yuichi Akiyama0
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US Patent 07792428 Optical add/drop multiplexer US Patent 7792428 Optical add/drop multiplexer
Infobox
Patent Number
077924280
Patent Number
77924280
Edits on 28 Apr, 2023
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Patent Jurisdiction
Patent Number
077924280
Date of Patent
September 7, 2010
0Patent Application Number
112041840
Date Filed
August 16, 2005
0Official Website
Patent Primary Examiner
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US Patent 07792428 Optical add/drop multiplexer
Infobox
Is a
Patent jurisdiction
Patent number
07792428
Date of patent
September 7, 2010
Patent application number
11204184
Date Filed
August 16, 2005
Patent primary examiner
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