Box-shaped scan expansion lens for cathode ray tube
Cathode ray tube
Cathode ray tube
Cathode ray tube and picture display device
Cathode ray tube apparatus
Cathode ray tube apparatus having focusing grids with horizontal
Cathode ray tube having improved structure for controlling image
Cathode ray tube used as light source
Cathode-ray tube
Cathode-ray tube device
Cathode-ray tube having electrostatic focusing and electrostatic
Cathoderay tube
Collimated beam electron gun system for shaped beam cathode ray
Color cathode ray tube
Color cathode ray tube apparatus
Color cathode ray tube apparatus
Color display system having an electron gun with dual electrode
Color image display systems
Color picture tube apparatus
Color picture tube device