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:
Mar. 02, 2010
Filed:
Dec. 20, 2006
Applicants:
François Dorgeuille, Paris, FR;
Nicolas Le Sauze, Bures-sur-Yvette, FR;
Ludovic Noirie, Nozay, FR;
Stefano Beccia, Vimercate, IT;
Inventors:
François Dorgeuille, Paris, FR;
Nicolas Le Sauze, Bures-sur-Yvette, FR;
Ludovic Noirie, Nozay, FR;
Stefano Beccia, Vimercate, IT;
Assignee:
Alcatel Lucent, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/20 (2006.01); G02F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ring optical transmission network access node (ANi) comprises: Such nodes enable the implementation of a passive ring network comprising only one fiber and in which the coupling ratios of the couplers (CW, CP) are optimized for two opposite traffic propagation directions. Application in particular to optical fiber metropolitan access networks, with broken fiber protection device.