Electron gun for color cathode ray tube

Details Electron gun for color cathode ray tube Electron gun for color cathode ray tube

1997-09-05

1999-11-16

Patel, Ashok

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313449, 313413, 315 15, 315382, H01J 2958

Patent

active

059863943

ABSTRACT:
An electron gun for a color cathode ray tube includes cathode, control and screen electrodes, forming a triode. The electron gun includes first, second and third focus electrodes, forming main and auxiliary lenses. A final accelerating electrode faces the third focus electrode. A static voltage is applied to the screen electrode and the second focus electrode. A dynamic focus voltage is applied to the first and third focus electrodes. First and second quadrupole lenses are formed.

REFERENCES:
patent: 5404071 (1995-04-01), Son
patent: 5633567 (1997-05-01), Spanjer
patent: 5747922 (1998-05-01), Sukeno et al.

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