Tjerk G. Spanjer

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Method, device and system for reducing off-axial aberration in elec...
- Patent number 12,176,179
- Issue date Dec 24, 2024
- FEI Company
- Maarten Bischoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method, device and system for reducing off-axial aberration in elec...
- Patent number 11,817,290
- Issue date Nov 14, 2023
- FEI Company
- Maarten Bischoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method, device and system for reducing off-axial aberration in elec...
- Patent number 11,587,759
- Issue date Feb 21, 2023
- FEI Company
- Maarten Bischoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection unit for a cathode ray tube
- Patent number 6,833,661
- Issue date Dec 21, 2004
- Koninklijke Philips Electronics N.V.
- Pim Theo Tuyls
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display device having quadrupole convergence coils
- Patent number 6,630,803
- Issue date Oct 7, 2003
- Koninklijke Philips Electronics N.V.
- Albertus Aemilius Seyno Sluyterman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display device having quadrupole convergence coils
- Patent number 6,608,436
- Issue date Aug 19, 2003
- Koninklijke Philips Electronics N.V.
- Albertus Aemilius Seyno Sluyterman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display device having quadrupole convergence coils
- Patent number 6,411,027
- Issue date Jun 25, 2002
- U.S. Philips Corporation
- Albertus A. S. Sluyterman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color display device having quadrupole convergence coils
- Patent number 6,376,981
- Issue date Apr 23, 2002
- U.S. Philips Corporation
- Albertus A. S. Sluyterman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube comprising a semiconductor cathode
- Patent number 6,140,664
- Issue date Oct 31, 2000
- U.S. Philips Corporation
- Evert Seevinck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube comprising an in-line electron gun with exte...
- Patent number 5,834,887
- Issue date Nov 10, 1998
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an in-line electron gun with asymmetr...
- Patent number 5,818,157
- Issue date Oct 6, 1998
- U.S. Philips Corporation
- Lambert J. Stil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device and colour cathode ray tube for use in a display device
- Patent number 5,751,099
- Issue date May 12, 1998
- U.S. Philips Corporation
- Willibrordus A. J. A. Van der Poel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube display system
- Patent number 5,726,539
- Issue date Mar 10, 1998
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device and cathode ray tube
- Patent number 5,633,567
- Issue date May 27, 1997
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display tube comprising an electron gun with a resistive focusing lens
- Patent number 5,256,934
- Issue date Oct 26, 1993
- U.S. Philips Corporation
- Jeroen Van Engelshoven
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Picture display device
- Patent number 5,015,925
- Issue date May 14, 1991
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Picture display device
- Patent number 4,988,929
- Issue date Jan 29, 1991
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display tube including a helical focusing lens with a non-rotationa...
- Patent number 4,961,022
- Issue date Oct 2, 1990
- U.S. Philips Corporation
- Gerardus J. A. Hellings
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having a tubular focus structure
- Patent number 4,945,283
- Issue date Jul 31, 1990
- U.S. Philips Corporation
- Antonius W. F. Van Der Heijden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having a tubular electron gun structure
- Patent number 4,857,797
- Issue date Aug 15, 1989
- U.S. Philips Corporation
- Gerardus A. H. M. Vrijssen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron beam device and a focusing lens therefor
- Patent number 4,827,184
- Issue date May 2, 1989
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD, DEVICE AND SYSTEM FOR REDUCING OFF-AXIAL ABERRATION IN ELEC...
- Publication number 20240029993
- Publication date Jan 25, 2024
- FEI Company
- Maarten BISCHOFF
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR REDUCING OFF-AXIAL ABERRATION IN ELEC...
- Publication number 20230223231
- Publication date Jul 13, 2023
- FEI Company
- Maarten BISCHOFF
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR REDUCING OFF-AXIAL ABERRATION IN ELEC...
- Publication number 20210272767
- Publication date Sep 2, 2021
- FEI Company
- Maarten BISCHOFF
- H01 - BASIC ELECTRIC ELEMENTS

Tjerk G. Spanjer

Person

Patents Grantslast 30 patents

Method, device and system for reducing off-axial aberration in elec...

Method, device and system for reducing off-axial aberration in elec...

Method, device and system for reducing off-axial aberration in elec...

Deflection unit for a cathode ray tube

Color display device having quadrupole convergence coils

Color display device having quadrupole convergence coils

Color display device having quadrupole convergence coils

Color display device having quadrupole convergence coils

Cathode ray tube comprising a semiconductor cathode

Color cathode ray tube comprising an in-line electron gun with exte...

Color cathode ray tube having an in-line electron gun with asymmetr...

Display device and colour cathode ray tube for use in a display device

Color cathode ray tube display system

Display device and cathode ray tube

Display tube comprising an electron gun with a resistive focusing lens

Picture display device

Picture display device

Display tube including a helical focusing lens with a non-rotationa...

Cathode ray tube having a tubular focus structure

Cathode ray tube having a tubular electron gun structure

Electron beam device and a focusing lens therefor

Patents Applicationslast 30 patents

METHOD, DEVICE AND SYSTEM FOR REDUCING OFF-AXIAL ABERRATION IN ELEC...

METHOD, DEVICE AND SYSTEM FOR REDUCING OFF-AXIAL ABERRATION IN ELEC...

METHOD, DEVICE AND SYSTEM FOR REDUCING OFF-AXIAL ABERRATION IN ELEC...