Color display tube
Color display tube
Color display tube
Color display tube comprising an in-line electron gun with astig
Color display tube having a deflection device and deflection dev
Color display tube having electrode converging means
Color display tube including cylindrical dipole correction magne
Color display tube with control grid positioning feature
Color display tube with electrostatic focusing lens
Color display tube with field controller
Color display tube with magnetic field shaping means
Color display tube with magnetic field shaping plates
Color display tube with twist correction means
Color display tube wtih overlapping field lens having a field co
Color picture device having magnetic pole pieces
Color picture device including convergence correcting magnetic p
Color picture tube
Color picture tube
Color picture tube
Color picture tube and in-line electron gun with focusing electr