Ken Demarest

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Lawrence, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical systems with diversity detection
- Patent number 6,999,688
- Issue date Feb 14, 2006
- Sprint Communications Company L.P.
- Rongqing Hui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus to compensate for polarization mode dispersion
- Patent number 6,647,176
- Issue date Nov 11, 2003
- Sprint Communications Company, L.P.
- Hok Yong Pua
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for recovering an optical clock signal
- Patent number 6,542,274
- Issue date Apr 1, 2003
- Sprint Communications Company, L.P.
- Ken Demarest
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus to compensate for polarization mode dispersion
- Patent number 6,459,830
- Issue date Oct 1, 2002
- Sprint Communications Company L.P.
- Hok Yong Pua
- H04 - ELECTRIC COMMUNICATION TECHNIQUE