Delay line for travelling-wave tubes

Delay line having coupled cavities for a traveling-wave tube and

Delay line with coupled cavities

Delay-compensating dynamic focus amplifier

Delayed kinescope blanking pulse generator

Delayed sweep system for an oscilloscope

Demagnetization arrangement

Demagnetization circuit for cathode-ray tube video device

Demagnetizer

Demagnetizer for display unit

Dense silicon carbide microwave absorber for electron linear acc

Density modulated electron beam tube with enhanced gain

Depressed collector for electron beams

Depressed collector for sorting radial energy level of a gyratin

Detecting horizontal blanking time in cathode ray tube devices

Device and method for controlling focussed electron beams

Device and method for correcting landing position in color...

Device and method for demagnetizing the shielding of a color...

Device for attenuating unwanted waves in an electron tube

Device for controlling image pattern of a computer-controlled te