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:
Feb. 03, 2004
Filed:
Mar. 12, 1999
Applicant:
Inventors:
Jonathan Paul King, Epping, GB;
Simon Paul Parry, Harlow, GB;
Assignee:
Nortel Networks Limited, St. Laurent, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/000 ;
U.S. Cl.
CPC ...
H04B 1/000 ;
Abstract
An optical equaliser, for use in an optical communications system, comprises a plurality of concatenated, fixed modulation depth, periodic filters. Each of the filters may be individually dynamically wavelength tuned in order to optimise optical equalisation of an optical signal transmitted by an optical element in the optical communications system.