US Patent 7224907 Duobinary optical transmission apparatus
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Patent Inventor Names
Han-Lim Lee0
Ji-Chai Jeong0
Seong-Taek Hwang0
Yong-Hoon Kim0
Yun-Je Oh0
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Patent abstract
A duobinary optical transmission apparatus is provided to generate duobinary optical signals, without using an electric low-pass-filter (LPF), by restricting a bandwidth of a Mach-Zehnder-interferometer-type optical intensity modulator (MZ MOD). Alternatively, a LPF having a single pole with a single capacitor is implemented instead of an expensive LPF, thereby providing a simple transmitter with a lower production cost in comparison with a transmitter using a conventional electric LPF.
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US Patent 07224907 Duobinary optical transmission apparatus US Patent 7224907 Duobinary optical transmission apparatus
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Patent Number
072249070
Patent Number
72249070
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Patent Jurisdiction
Patent Number
072249070
Date of Patent
May 29, 2007
0Patent Application Number
104597880
Date Filed
June 12, 2003
0Official Website
Patent Primary Examiner
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US Patent 07224907 Duobinary optical transmission apparatus
Infobox
Is a
Patent jurisdiction
Patent number
07224907
Date of patent
May 29, 2007
Patent application number
10459788
Date Filed
June 12, 2003
Patent primary examiner
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