Babu O. Narayanan

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Link discovery, verification, and failure isolation in an optical c...
- Patent number 8,971,706
- Issue date Mar 3, 2015
- Rockstar Consortium US LP
- Ornan A. Gerstel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alignment laser for use in cross-connects
- Patent number 7,072,031
- Issue date Jul 4, 2006
- Nortel Networks, Ltd.
- Humair Raza
- G02 - OPTICS
Information Patent Grant
Method for calibrating photonic crossconnect device
- Patent number 7,042,922
- Issue date May 9, 2006
- Nortel Networks, Ltd.
- Babu Narayanan
- G01 - MEASURING TESTING
Information Patent Grant
Photonic switching including photonic pass-through and add/drop cap...
- Patent number 6,853,763
- Issue date Feb 8, 2005
- Nortel Networks Limited
- John McNicol
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for providing sparing capacity for optical swi...
- Publication number 20040120713
- Publication date Jun 24, 2004
- Robert Ward
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for calibrating photonic crossconnect device
- Publication number 20040071391
- Publication date Apr 15, 2004
- Babu Narayanan
- G02 - OPTICS
Information Patent Application
Alignment laser for use in cross-connects
- Publication number 20040047542
- Publication date Mar 11, 2004
- Humair Raza
- G02 - OPTICS
Information Patent Application
Link discovery, verification, and failure isolation in an optical c...
- Publication number 20040008988
- Publication date Jan 15, 2004
- Ornan A. Gerstal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE