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Jan Gerritsen
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Eindhoven, NL
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last 30 patents
Information
Patent Grant
Cathode ray tube including means for vertically extending the spot
Patent number
5,107,171
Issue date
Apr 21, 1992
U.S. Philips Corporation
Jan Gerritsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color display tube with reduced deflection defocussing
Patent number
RE33592
Issue date
May 21, 1991
U.S. Philips Corporation
Jan Gerritsen
315 - Electric lamp and discharge devices: systems
Information
Patent Grant
Color display tube
Patent number
4,902,928
Issue date
Feb 20, 1990
U.S. Philips Corporation
Jan Gerritsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color display tube with reduced deflection defocussing
Patent number
4,742,279
Issue date
May 3, 1988
U.S. Philips Corporation
Jan Gerritsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display tube having ferromagnetic field shapers to prevent beam def...
Patent number
4,691,139
Issue date
Sep 1, 1987
U.S. Philips Corporation
Jan Gerritsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode-ray tube having an electron gun with an astigmatic focusing...
Patent number
4,629,933
Issue date
Dec 16, 1986
U.S. Philips Corporation
Jan Bijma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color display tube with magnetic field shaping means
Patent number
4,625,145
Issue date
Nov 25, 1986
U.S. Philips Corporation
Jan Gerritsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode-ray tube
Patent number
4,620,134
Issue date
Oct 28, 1986
U.S. Philips Corporation
Antonius H. P. M. Peels
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Picture display device comprising a picture display tube and a circ...
Patent number
4,481,476
Issue date
Nov 6, 1984
U.S. Philips Corporation
Jan Gerritsen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for measuring and methods for adjusting the convergence of t...
Patent number
4,441,120
Issue date
Apr 3, 1984
U.S. Philips Corporation
Jan Gerritsen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color display tube including cylindrical dipole correction magnets
Patent number
4,401,917
Issue date
Aug 30, 1983
U.S. Philips Corporation
Jan Gerritsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color television display device comprising a deflection coil unit p...
Patent number
4,233,547
Issue date
Nov 11, 1980
U.S. Philips Corporation
Jan Gerritsen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of manufacturing a color display tube and color display tube...
Patent number
4,220,897
Issue date
Sep 2, 1980
U.S. Philips Corporation
Piet G. J. Barten
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for displaying color television images
Patent number
4,027,219
Issue date
May 31, 1977
U.S. Philips Corporation
Willem Meijndert Van Alphen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Degaussing device for a color television display tube
Patent number
3,965,386
Issue date
Jun 22, 1976
U.S. Philips Corporation
Jan Hendrik Duistermaat
H04 - ELECTRIC COMMUNICATION TECHNIQUE