Deflection unit for color cathode ray tubes
Deflection unit with clamping apparatus
Device for generating electrons, and display device
Device for picking up or displaying images having an externally-
Digitizing matrix for electron beams
Direct heating cathode structure for cathode ray tubes
Directly heated cathode assembly
Display system with rapid color switching
Display tube comprising an electron gun with a resistive focusin
Dual-mode electron gun with improved shadow grid arrangement
Dust collector in a cathode ray tube