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Julian A. Fells
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Essex, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Electrical compensation of optical impairments
Patent number
7,330,667
Issue date
Feb 12, 2008
Nortel Networks Limited
Julian Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital synthesis of readily compensated optical signals
Patent number
7,321,734
Issue date
Jan 22, 2008
Nortel Networks Limited
Kim B. Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion compensation
Patent number
6,778,782
Issue date
Aug 17, 2004
Nortel Networks Limited
Daniel A Watley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chromatic dispersion compensation
Patent number
6,768,822
Issue date
Jul 27, 2004
Nortel Networks Limited
Alan Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chirped Bragg grating reflectors and adjustable dispersion apparatu...
Patent number
6,519,390
Issue date
Feb 11, 2003
Nortel Networks Limited
Julian A. Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telecommunications system power supply
Patent number
6,496,626
Issue date
Dec 17, 2002
Nortel Networks Limited
Robert Spagnoletti
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Chromatic dispersion compensation
Patent number
6,381,388
Issue date
Apr 30, 2002
Nortel Networks Limited
Richard Epworth
G02 - OPTICS
Information
Patent Grant
Chromatic dispersion compensation
Patent number
6,363,187
Issue date
Mar 26, 2002
Northern Telecom Limited
Julian A Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Electrical compensation of optical impairments
Publication number
20070140703
Publication date
Jun 21, 2007
Julian Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital synthesis of readily compensated optical signals
Publication number
20060024069
Publication date
Feb 2, 2006
Nortel Networks Limited
Kim B. Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission systems
Publication number
20030185500
Publication date
Oct 2, 2003
Julian A. Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission systems
Publication number
20030185573
Publication date
Oct 2, 2003
Julian A. Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Adjustable dispersion compensators, adjustable optical filters, and...
Publication number
20020159672
Publication date
Oct 31, 2002
Julian A. Fells
G02 - OPTICS
Information
Patent Application
Chirped Bragg grating reflectors and adjustable dispersion apparatu...
Publication number
20020094164
Publication date
Jul 18, 2002
Julian A. Fells
G02 - OPTICS
Information
Patent Application
Transmission system with enhanced repeaters
Publication number
20020080447
Publication date
Jun 27, 2002
Julian Fells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Telecommunications system power supply
Publication number
20020081081
Publication date
Jun 27, 2002
Robert Spagnoletti
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC