Inventor
PENNINGA JOHANNES
NL7 patents
⚠️ This page may combine multiple inventors who share the name “PENNINGA JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
6 patentsUS5418422AMay 23, 1995
Combination of display tube and deflection unit comprising line deflection coils of the semi-saddle type with a gun-sided extension
PHILIPS CORP19 citations81
US4992697AFeb 12, 1991
Picture display device with magnetizable core means comprising compensation coils
PHILIPS CORP11 citations71
US5506469AApr 9, 1996
Display tube with deflection unit comprising field deflection coils of the semi-saddle type
PHILIPS CORP13 citations70
US5276377AJan 4, 1994
Cathode ray tube having a curved display window and a color display device
PHILIPS CORP10 citations66
US5151627ASep 29, 1992
Cathode ray tube having strong display window and display device
PHILIPS CORP9 citations65
US5705899AJan 6, 1998
CRT display having compensation for image rotation and convergence errors
PHILIPS CORP4 citations60