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:
Dec. 16, 2014
Filed:
Apr. 23, 2012
Applicants:
Amitay Melamed, Moshav Satariya, IL;
Shai Stein, Hod Hasharon, IL;
Inventors:
Amitay Melamed, Moshav Satariya, IL;
Shai Stein, Hod Hasharon, IL;
Assignee:
ECI Telecom Ltd., Petach-Tikva, IL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 14/02 (2006.01); H04B 10/08 (2006.01); H04B 10/06 (2006.01);
U.S. Cl.
CPC ...
H04J 14/0204 (2013.01); H04J 14/0206 (2013.01); H04J 14/0212 (2013.01);
Abstract
A method and a Reconfigurable Optical Add Drop Multiplexer (ROADM) where blocking of a first optical signal carried over a specific optical channel in the ROADM is performed by compensating the first optical signal by a second optical signal created for that purpose.