US Patent 7310478 Communication system with hybrid protection at multiple OSI layers
Patent 7310478 was granted and assigned to Sprint on December, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Charles William Norman0
Mark Loyd Jones0
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Patent abstract
A communication system couples communication devices using optical switches and links. The optical switches provide OSI Layer 1 restoration in response to a fault. The communication devices provide OSI layer 2/3 restoration in response to the fault after OSI Layer 1 protection is complete.
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US Patent 07310478 Communication system with hybrid protection at multiple OSI layers US Patent 7310478 Communication system with hybrid protection at multiple OSI layers
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Patent Number
07310478
Patent Number
7310478
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US Patent 07310478 Communication system with hybrid protection at multiple OSI layers
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Is a
Current assignee
Patent jurisdiction
Patent number
07310478
Date of patent
December 18, 2007
Patent application number
10924570
Date Filed
August 24, 2004
Patent primary examiner
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