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. 10, 2007
Filed:
Jul. 24, 2003
Applicants:
Prasad Dasika, Linthicum, MD (US);
Dan Spears, Linthicum, MD (US);
Inventors:
Prasad Dasika, Linthicum, MD (US);
Dan Spears, Linthicum, MD (US);
Assignee:
CIENA Corporation, Linthicum, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for providing tandem protection in a communication system. Path protection is provided using at least two redundant communication paths and selecting the communication having higher signal quality. Interface protection is provided through a protection transceiver thus implementing M:N equipment protection and 1+1 optical protection.