Color television display apparatus having improved convergence o
Color television display tube
Color television display tube with coma correction
Color television display tube with coma correction
Color television tube incorporating correction of coma defects o
Color-picture tube having a supplementary electrode for obtainin
Color-picture tube with correction magnets in electron gun syste
Color-television picture tube with internal permanent magnets fo
Compact field emission electron gun and focus lens
Compensation device for convergence drift used in cathode...
Convergence apparatus and convergence yoke used therefor
Convergence correcting device
Convergence correcting device for in-line type color picture tub
Convergence means for a plural beam color picture tube
Convergence unit having three identical V-shape bent plates for
CRT beam landing spot size correction apparatus and method
CRT electron gun assembly
CRT electron gun for controlling divergence angle of electron be
CRT electron gun with a plurality of electrodes
CRT electron gun with multi-lens system