US Patent 7974540 Communication system and communication method using the same
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Patent abstract
A communication system capable of employing polarization-dependent phase modulators with a reversing configuration that preserves security against disturbance of a polarization state at a transmission path but without using Faraday mirrors and a communication method using the same are provided.
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Patent Inventor Names
Akihiro Tanaka0
Akihisa Tomita0
Akio Tajima0
Kazuo Nakamura0
Seigo Takahashi0
Shuuji Suzuki0
Takeshi Takeuchi0
Wakako Maeda0
Yoshihiro Nanbu0
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US Patent 07974540 Communication system and communication method using the same US Patent 7974540 Communication system and communication method using the same
Infobox
Patent Number
079745400
Patent Number
79745400
Edits on 2 Apr, 2023
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Infobox
Is a
Patent Jurisdiction
Patent Number
079745400
Date of Patent
July 5, 2011
0Patent Application Number
105810370
Date Filed
November 29, 2004
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 07974540 Communication system and communication method using the same
Infobox
Is a
Patent jurisdiction
Patent number
07974540
Date of patent
July 5, 2011
Patent application number
10581037
Date Filed
November 29, 2004
Patent primary examiner
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