205030 ⎘
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement; Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube Three or more guns, the axes of which lay in a common plane
CATHODE RAY TUBE INCLUDING ELECTRON GUN
#2ELECTRON GUN, CATHODE RAY TUBE, AND PROJECTOR
#3Cathode ray electron gun with an improved beam formation structure
#4Focusing lens structure for a cathode ray tube electron gun
#5Electron gun having a main lens
#6Cathode-ray tube having an electron gun with an improved main focus lens
#7Color cathode ray tube apparatus
#8Main electron lens for an electron gun
#9In-line type electron gun and color cathode ray tube apparatus using the same
#10Structure of electron gun for cathode ray tube
#11Electron gun for cathode ray tube
#12Cathode-ray tube apparatus
#13Cathode ray tube having an electron gun