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Winston D. Couwenberg
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Veldhoven, NL
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Patents Grants
last 30 patents
Information
Patent Grant
DC/AC converter for supplying two gas discharge lamps
Patent number
7,339,326
Issue date
Mar 4, 2008
Koninklijke Philips Electronics N.V.
Winston Donald Couwenberg
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Projection system
Patent number
7,329,009
Issue date
Feb 12, 2008
Koninklijke Philips Electronics, N.V.
Holger Mönch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for driving a gas discharge lamp
Patent number
7,164,241
Issue date
Jan 16, 2007
Koninklijke Philips Electronics N.V.
Winston Donald Couwenberg
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ballast for high pressure discharge lamp
Patent number
7,154,228
Issue date
Dec 26, 2006
Koninklijke Philips Electronics N.V.
Dolf Henricus Jozef Van Casteren
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High frequency electronic ballast
Patent number
6,686,703
Issue date
Feb 3, 2004
Koninklijke Philips Electronics N.V.
Robert A. Erhardt
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low-pressure mercury vapor discharge lamp
Patent number
4,546,285
Issue date
Oct 8, 1985
U.S. Philips Corporation
Jean J. Heuvelmans
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-pressure mercury vapor discharge lamp
Patent number
4,277,720
Issue date
Jul 7, 1981
U.S. Philips Corporation
Winston D. Couwenberg
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-pressure mercury vapor discharge lamp
Patent number
4,237,401
Issue date
Dec 2, 1980
U.S. Philips Corporation
Winston D. Couwenberg
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-pressure mercury vapor discharge lamp
Patent number
4,208,604
Issue date
Jun 17, 1980
U.S. Philips Corporation
Winston D. Couwenberg
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CONTROLLED CLASS-E DC AC CONVERTER
Publication number
20090129134
Publication date
May 21, 2009
Koninklijke Philips Electronics, N.V.
PATRICK JOHN ZIJLSTRA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and Driving Circuit for Operating a Hid Lamp
Publication number
20080284355
Publication date
Nov 20, 2008
Koninklijke Philips Electronics, N.V.
Ronald Hans Van Der Voort
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and Ballast for Driving a High-Pressure Gas Discharge Lamp
Publication number
20080231206
Publication date
Sep 25, 2008
Koninklijke Philips Electronic, N.V.
Winston Donald Couwenberg
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Dc/dc converter for supplying two gas discharge lamps
Publication number
20070007901
Publication date
Jan 11, 2007
Koninklijke Philips Electronics N.V.
Winston Donald Couwenberg
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Supply apparatus for high pressure lamps
Publication number
20060097651
Publication date
May 11, 2006
Winston Couwenberg
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Projection system
Publication number
20060023304
Publication date
Feb 2, 2006
Holger Monch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Driver for a gas discharge lamp
Publication number
20050248289
Publication date
Nov 10, 2005
Koninklijke Philips Electronics N.V.
Dolf Henricus Jozef Van Casteren
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Circuit arrangement
Publication number
20050168170
Publication date
Aug 4, 2005
Koninklijke Philips Electronics N.V.
Dolf Henricus Jozef Van Casteren
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for driving a gas discharge lamp
Publication number
20040245945
Publication date
Dec 9, 2004
Winston Donald Couwenberg
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
High frequency electronic ballast
Publication number
20030127993
Publication date
Jul 10, 2003
Robert A. Erhardt
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...