DEVICE FOR CORRECTING NORTH-SOUTH GEOMETRIC DEFORMATIONS OF A CATHODE RAY TUBE, PARTICULARLY AN ASPHERICAL TUBE

摘要

P TO AVOID THE USE OF TWO NORTH-SOUTH GEOMETRIC CORRECTION MODULATORS, THE INVENTION PROVIDES FOR THE USE OF AT LEAST FOUR MAGNETS 4-7 DECALS OF 30 RELATIVE TO THE NORTH-SOUTH AXIS OF THE DEVIATOR.