205054 ⎘
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; Arrangements for deflecting ray or beam; Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least; Convergence correction arrangements therefor Dynamic convergence systems
Magnetic Field Compensation Apparatus for Cathode Ray Tube
#2Hdtv crt display having optimized tube geometry, yoke field and gun orientation
#3Deflection yoke for correcting misconvergence
#4Active landing control system for raster based devices
#5Deflection yoke and color picture tube apparatus