206124 ⎘
Details of cathode ray tubes or electron beam tubes; Correction of beam optics using supplementary correction devices magnetic Permanently magnetised materials, e.g. permanent magnets
Color cathode-ray tube apparatus
#2Color cathode-ray tube apparatus
#3Cathode-ray tube apparatus
#4Deflection yoke having magnets for correcting raster distortion and cathode-ray tube apparatus having the deflection yoke
#5Color picture tube apparatus
#6Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams