David P. Keesor

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Chapel Hill, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic dropout prevention in LED drivers
- Patent number 8,395,331
- Issue date Mar 12, 2013
- Semtech Corporation
- Karl Richard Volk
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for a charge pump DC-to-DC converter having pa...
- Patent number 7,808,220
- Issue date Oct 5, 2010
- Semtech Corporation
- Bill Rader
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charge pump with current limiting circuit
- Patent number 6,794,926
- Issue date Sep 21, 2004
- Semtech Corporation
- William E. Rader
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charge pump with current limiting circuit
- Patent number 6,504,422
- Issue date Jan 7, 2003
- Semtech Corporation
- William E. Rader
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC DROPOUT PREVENTION IN LED DRIVERS
- Publication number 20120081036
- Publication date Apr 5, 2012
- Karl Richard Volk
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and Apparatus for a Charge Pump DC-to-DC Converter Having Pa...
- Publication number 20090016085
- Publication date Jan 15, 2009
- Semtech Corporation
- Bill Rader
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Charge pump with current limiting circuit
- Publication number 20030085752
- Publication date May 8, 2003
- William E. Rader
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER