206137 ⎘
Details of cathode ray tubes or electron beam tubes; Electron beam control outside the vessel by magnetic fields
Sub-classes:Permanent-magnet particle beam apparatus and method incorporating a non-magnetic metal portion for tunability
#2Deflection yoke and cathode-ray tube apparatus
#3Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams