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:
Oct. 11, 2011
Filed:
May. 26, 2006
Applicants:
Antonella Bogoni, Mantova, IT;
Roberto Magri, Parma, IT;
Riccardo Ceccatelli, Genoa, IT;
Inventors:
Assignee:
Ericsson AB, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2006.01); H04B 10/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for restoration of operating conditions of a WDM optical ring network comprising a plurality of amplifiers linked together in a ring after a break or fault has occurred in the network. The method comprises in response to repair of the break or other fault, increasing output power or/and pump power of an amplifier in the network such that the output power or/and pump power increases substantially in accordance with a ramp function.