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:
Oct. 08, 2013
Filed:
Jul. 09, 2008
Dmitriy I. Kovsh, Hoboken, NJ (US);
Ekaterina A. Golovchenko, Colts Neck, NJ (US);
Stuart M. Abbott, Marlboro, NJ (US);
Dmitriy I. Kovsh, Hoboken, NJ (US);
Ekaterina A. Golovchenko, Colts Neck, NJ (US);
Stuart M. Abbott, Marlboro, NJ (US);
Tyco Electronics Subsea Communications, LLC, Eatontown, NJ (US);
Abstract
An optical add/drop multiplexer (OADM) and system incorporating the same for maintaining loading of WDM channels with loading signals or information signals when signals are added or dropped. The OADM may include reconfigurable band pass filters having a transmittance characteristic controllable using a command signal. Selective filtering of loading signals and/or information signals received from branch and trunk paths allows an output WDM signal including information signals on utilized channels and loading signals on all unutilized channels.