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:
Feb. 05, 2008
Filed:
May. 31, 2002
Applicants:
Paparao Palacharla, Richardson, TX (US);
Hok Yong Pua, Plano, TX (US);
Emir Catovic, Plano, TX (US);
Harbhajan Vridee, Richardson, TX (US);
Inventors:
Paparao Palacharla, Richardson, TX (US);
Hok Yong Pua, Plano, TX (US);
Emir Catovic, Plano, TX (US);
Harbhajan Vridee, Richardson, TX (US);
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for optical supervisory signaling includes determining a wavelength channel status (WCS) value, a wavelength channel failure (WCF) value, and a wavelength channel lit (WCL) value for each one of multiple data channels services by an optical communication node. The method further includes communicating the values to a second optical communication node.