The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 24, 2007
Filed:
Jun. 04, 2002
Applicants:
Dennis N. Blankenship, Holly Springs, NC (US);
Michael H. Otto, Apex, NC (US);
Peter D. Beal, Apex, NC (US);
John M. Glotzer, Chapel Hill, NC (US);
Inventors:
Dennis N. Blankenship, Holly Springs, NC (US);
Michael H. Otto, Apex, NC (US);
Peter D. Beal, Apex, NC (US);
John M. Glotzer, Chapel Hill, NC (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for selecting an active router in a communication device includes providing multiple routers in the device, coupling the routers to a single physical link, monitoring a status for each of the routers, and selecting one of the routers as an active router by positioning its corresponding relay.