Electron gun assembly

Details Electron gun assembly Electron gun assembly

1988-08-22

1989-12-05

Britton, Howard W.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

313414, 313449, 315 16, H01J 2948

Patent

active

048855057

ABSTRACT:
In an electron gun assembly, three electron beams emitted from cathode are focused by focusing electrodes and directed to accelerating electrodes through intermediate electrode. Three electron beams are converged on a predetermined point near a screen by accelerating electrodes. The accelerating electrodes are supplied with a first potential and are connected to a ground through a resistor and a stem pin. The intermediate electrodes are connected to the resistor and are maintained at a second potential. The focusing electrodes are connected to another stem pin and supplied with a third potential through another stem pin so that the third potential can be independently adjusted.

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patent: 4399388 (1983-08-01), Hamano et al.
patent: 4620134 (1986-10-01), Peels et al.
patent: 4672269 (1987-06-01), Kamohara et al.

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