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. 03, 2015
Filed:
Dec. 03, 2009
Fabio Cavaliere, Vecchiano, IT;
Luca Giorgi, Ponsasso, IT;
Renato Grosso, Genoa, IT;
Ernesto Ciaramella, Rome, IT;
Fabio Cavaliere, Vecchiano, IT;
Luca Giorgi, Ponsasso, IT;
Renato Grosso, Genoa, IT;
Ernesto Ciaramella, Rome, IT;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
An optical network () comprising an optical network element () comprising a first optical transmitter (), a first controller (), a first optical receiver and a second optical receiver and a second optical network element (). There is provided a transmission path () between said first optical network element and said second optical network element. Said first optical transmitter is arranged to generate and transmit a first optical signal. Said first controller is arranged to control said first optical transmitter to generate and transmit said first optical signal at a wavelength selected from a predetermined plurality of wavelengths. Said first optical receiver is arranged to detect a backscatter portion of said first optical signal returned to said first optical network element along said transmission path by distributing scattering.