Electron gun for cathode-ray tube

Details Electron gun for cathode-ray tube Electron gun for cathode-ray tube

1989-04-07

1990-10-23

Wieder, Kenneth

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313456, H01J 2962

Patent

active

049654896

ABSTRACT:
An electron gun for a cathode-ray tube has a structure in which the longitudinal middle portion of a focusing electrode is enlarged in diameter and an accelerating electrode is disposed in the enlarged-diameter portion of the focusing electrode. The opposite end portions of the focusing electrode are reduced in diameter, and the reduced-diameter portions of the focusing electrode and the accelerating electrode are secured to each other by means of electrode supporting rods.

REFERENCES:
patent: 3883771 (1975-05-01), Ohgoshi et al.
patent: 4271374 (1981-06-01), Kimura
patent: 4620134 (1986-10-01), Peels et al.

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