US Patent 7772939 Polarization transformation circuit
Patent 7772939 was granted and assigned to NEC Corporation on August, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An apparatus adapted for easily performing polarization switching is disclosed. Within a second waveguide connected to a first waveguide, there is embedded a polarization transformation circuit in the state rotated relative to the second waveguide at an angle set, based on a reflection characteristic indicating a characteristic of a reflection coefficient with respect to a polarization frequency.
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US Patent 07772939 Polarization transformation circuit US Patent 7772939 Polarization transformation circuit
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Patent Number
0777293900
Patent Number
777293900
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
077729390
Date of Patent
August 10, 2010
0Patent Application Number
119020070
Date Filed
September 18, 2007
0Official Website
Patent Primary Examiner
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
077729390
Date of Patent
August 10, 2010
0Patent Application Number
119020070
Date Filed
September 18, 2007
0Official Website
Patent Primary Examiner
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US Patent 07772939 Polarization transformation circuit
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07772939
Date of patent
August 10, 2010
Patent application number
11902007
Date Filed
September 18, 2007
Patent primary examiner
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