Roger CARROLL

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Frequency domain multiplex optical transmission
- Patent number 9,859,984
- Issue date Jan 2, 2018
- Ciena Corporation
- James Harley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency domain multiplex optical transmission
- Patent number 9,461,751
- Issue date Oct 4, 2016
- Ciena Corporation
- James Harley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing optical service channel interference in phase modulated wa...
- Patent number 8,355,631
- Issue date Jan 15, 2013
- Ciena Corporation
- Maurice O'Sullivan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High speed Ethernet based on SONET technology
- Patent number 7,944,941
- Issue date May 17, 2011
- CIENA Corporation
- Paul A. Bottorff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunications system
- Patent number 6,570,762
- Issue date May 27, 2003
- Nortel Networks Limited
- Douglas B. Cross
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FREQUENCY DOMAIN MULTIPLEX OPTICAL TRANSMISSION
- Publication number 20170019183
- Publication date Jan 19, 2017
- CIENA CORPORATION
- James HARLEY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DOMAIN MULTIPLEX OPTICAL TRANSMISSION
- Publication number 20140169793
- Publication date Jun 19, 2014
- James HARLEY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCING OPTICAL SERVICE CHANNEL INTERFERENCE IN PHASE MODULATED WA...
- Publication number 20110188861
- Publication date Aug 4, 2011
- Nortel Networks Limited
- Maurice O'SULLIVAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telecommunications system
- Publication number 20020051532
- Publication date May 2, 2002
- Douglas B. Cross
- H04 - ELECTRIC COMMUNICATION TECHNIQUE