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US Patent 7787772 Optical signal transmission device and optical communication network

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
77877721
Patent Inventor Names
Takeshi Ota1
Date of Patent
August 31, 2010
1
Patent Application Number
117959401
Date Filed
January 23, 2006
1
Patent Citations Received
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US Patent 12066653 Communication systems having optical power supplies
2
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US Patent 12004318 Data processing systems including optical communication modules
3
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US Patent 12019289 Communication systems having pluggable modules
4
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US Patent 12029004 Data processing systems including optical communication modules
5
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6
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US Patent 11671177 8WDM optical transceiver at 10nm wavelength grid
7
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US Patent 11778354 Network device with integrated optical line system
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US Patent 11895798 Data processing systems including optical communication modules
8
...
Patent Primary Examiner
‌
Ken N Vanderpuye
1
Patent abstract

By using wavelength division multiplexing technologies, redundant star topology network is constructed on a ring-shaped optical fiber network. Edge-switches 5a, 5b, 5c, and 5d are connected to client station groups 6a, 6b, 6c, and 6d are connected, respectively. The edge-switches 5a, 5b, 5c, and 5d are connected to edge optical transport device 2a, 2b, 2c, and 2d. Core-switches 4a and 4b are connected to a core optical transport device 1. The edge optical transport device 2a, 2b, 2c, 2d, and the core optical transport device 1 are connected to a ring-shaped single optical fiber 3. A communication circuit 7 is formed among core optical transport device 1, edge optical transport devices 2a, 2b, 2c, and 2d, by using wavelength division multiplexing technologies.

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