Roelf Van Der Wal

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Switched mode power supply including power supply units and controller
- Patent number 8,134,352
- Issue date Mar 13, 2012
- Koninklijke Philips Electronics N.V.
- Roelf Van Der Wal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive circuit for driving a load with pulsed current
- Patent number 8,063,581
- Issue date Nov 22, 2011
- Koninklijke Philips Electronics N.V.
- Roelf Van Der Wal
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and device for measuring current in a switched current path...
- Patent number 7,521,910
- Issue date Apr 21, 2009
- Koninklijke Philips Electronics N.V.
- Roelf Van Der Wal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Interleaved switching converters in ring configuration
- Patent number 7,394,232
- Issue date Jul 1, 2008
- Koninkljke Philips Electronics N.V.
- Machiel Antonius Martinus Hendrix
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
PROCESSING CIRCUIT FOR AN X-RAY SENSOR
- Publication number 20120080606
- Publication date Apr 5, 2012
- Koninklijke Philips Electronics N.V.
- Roelf Van Der Wal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DRIVE CIRCUIT FOR DRIVING A LOAD WITH PULSED CURRENT
- Publication number 20090195184
- Publication date Aug 6, 2009
- Koninklijke Philips Electronics N.V.
- Roelf Van Der Wal
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SWITCHED MODE POWER SUPPLY
- Publication number 20090067199
- Publication date Mar 12, 2009
- Koninklijke Philips Electronic, N.V.
- Roelf Van Der Wal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Switch mode power supply
- Publication number 20070103132
- Publication date May 10, 2007
- Machiel Antonius Martinus Hendrix
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and device for sensing current
- Publication number 20060158166
- Publication date Jul 20, 2006
- Roelf Van Der Wal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER