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Adrianus M. J. De Bijl
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Eindhoven, NL
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Patents Grants
last 30 patents
Information
Patent Grant
Switching device
Patent number
6,384,543
Issue date
May 7, 2002
Koninklijke Philips Electronics, N.V.
Arnold Willem Buij
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lampholder and lighting unit comprising a lampholder
Patent number
6,127,778
Issue date
Oct 3, 2000
U.S. Philips Corporation
Johannes H. G. Op Het Veld
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Discharge lamp control circuit arrangement
Patent number
5,075,602
Issue date
Dec 24, 1991
U.S. Philips Corporation
Bernardus J. M. Overgoor
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
DC/AC converter for igniting and supplying a gas discharge lamp
Patent number
4,952,842
Issue date
Aug 28, 1990
U.S. Philips Corporation
Pieter J. Bolhuis
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit for supplying constant power to a gas discharge lamp
Patent number
4,949,016
Issue date
Aug 14, 1990
U.S. Philips Corporation
Adrianus M. J. De Bijl
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
DC/AC converter for igniting and supplying a gas discharge lamp
Patent number
4,937,498
Issue date
Jun 26, 1990
U.S. Philips Corporation
Pieter J. Bolhuis
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
DC/AC Converter with voltage dependent timing circuit for discharge...
Patent number
4,525,648
Issue date
Jun 25, 1985
U.S. Philips Corporation
Adrianus M. J. De Bijl
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic device for the starting and a.c. voltage operation of a...
Patent number
4,380,719
Issue date
Apr 19, 1983
U.S. Philips Corporation
Adrianus M. J. De Bijl
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Arrangement including a gas and/or vapor discharge lamp
Patent number
4,339,693
Issue date
Jul 13, 1982
U.S. Philips Corporation
Adrianus M. J. De Bijl
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electric arrangement including at least one gas and/or vapor discha...
Patent number
4,253,043
Issue date
Feb 24, 1981
U.S. Philips Corporation
Hubertus M. J. Chermin
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
SWITCHING DEVICE
Publication number
20020014858
Publication date
Feb 7, 2002
Arnold Willem Buij
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC