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. 20, 2001
Filed:
Feb. 10, 1998
Applicant:
Inventors:
André Hamel, Lammion, FR;
Daniel Laville, Perros Guirec, FR;
Jean Stoschek, Pleumeur-Bodou, FR;
Assignee:
France Telecom, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 1/402 ; H04J 1/408 ; H04B 1/020 ; G01R 3/108 ;
U.S. Cl.
CPC ...
H04J 1/402 ; H04J 1/408 ; H04B 1/020 ; G01R 3/108 ;
Abstract
Reconfigurable ring transmission network with multiplexing in wavelength for semi-permanent links, the network including at least one ring (,) comprising nodes (,) and at least one optical fiber (,) passing through the nodes, and each site (,) in the network comprises transmission-reception means (EN, ES, RN, RS) for one or more wavelengths and each node comprises optical add-drop means (IN, IS, XN, XS) for this wavelength and optical switching means (CN, CS) to connect these means to the transmission-reception means, the network used for optical telecommunications.