Penetron color display tube with channel plate electron multipli
Periodic permanent magnet focused TWT
Periodic permanent magnet focusing system for electron beam
Permanent magnet structure for linear-beam electron tubes
Phase correction arrangement for deflection circuit
Phosphor protection circuit for multiple CRT projection televisi
Photomultiplier tube having reduced tube length
Photomultiplier tube with gain control
Pick-up tube having bias lighting and controls therefor
Picture analyser tube with streak compensation
Picture correcting apparatus for use with in-line type color pic
Picture display apparatus with a soft-start device
Picture display device
Picture display device
Picture display device
Picture display device
Picture display device
Picture display device
Picture display device
Picture display device comprising a flat-panel type display unit