Inventor
SPANJER TJERK G
NL15 patents
Patents
15 patentsUS5726539AMar 10, 1998
Color cathode ray tube display system
PHILIPS CORP7 citations73
US5015925AMay 14, 1991
Picture display device
PHILIPS CORP9 citations73
US4857797AAug 15, 1989
Cathode ray tube having a tubular electron gun structure
PHILIPS CORP13 citations73
US4827184AMay 2, 1989
Electron beam device and a focusing lens therefor
PHILIPS CORP11 citations73
US4988929AJan 29, 1991
Picture display device
PHILIPS CORP7 citations72
US4945283AJul 31, 1990
Cathode ray tube having a tubular focus structure
PHILIPS CORP8 citations69
US5818157AOct 6, 1998
Color cathode ray tube having an in-line electron gun with asymmetrical apertures
PHILIPS CORP10 citations68
US6411027B1Jun 25, 2002
Color display device having quadrupole convergence coils
PHILIPS CORP3 citations62
US5633567AMay 27, 1997
Display device and cathode ray tube
PHILIPS CORP2 citations61
US4961022AOct 2, 1990
Display tube including a helical focusing lens with a non-rotationally symmetrical lens element
PHILIPS CORP6 citations59
US5256934AOct 26, 1993
Display tube comprising an electron gun with a resistive focusing lens
PHILIPS CORP2 citations57
US6376981B1Apr 23, 2002
Color display device having quadrupole convergence coils
PHILIPS CORP1 citations51
US6140664AOct 31, 2000
Cathode ray tube comprising a semiconductor cathode
PHILIPS CORP1 citations51
US5834887ANov 10, 1998
Color cathode ray tube comprising an in-line electron gun with extended outer apertures
PHILIPS CORP1 citations46
US5751099AMay 12, 1998
Display device and colour cathode ray tube for use in a display device
PHILIPS CORP0 citations36