Inventor
FASTENAU ROBERT H J
NL3 patents
Patents
3 patentsUS4758762AJul 19, 1988
Cathode ray tube having a magnetic focusing lens
PHILIPS CORP11 citations68
US4829211AMay 9, 1989
Method of manufacturing a color display tube having a magnetic quadrupole post-focusing mask and a color display tube made by the method
PHILIPS CORP3 citations54
US4614501ASep 30, 1986
Method of manufacturing a color cathode-ray tube comprising a magnetic quadrupole post-focusing mask and device for carrying out the method
PHILIPS CORP3 citations53