Electron gun integral beam correctors in a color cathode ray tub

Details Electron gun integral beam correctors in a color cathode ray tub Electron gun integral beam correctors in a color cathode ray tub

1983-07-29

1986-04-22

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

H01J 2962

Patent

active

045845000

ABSTRACT:
In-line electron gun structure for color cathode ray tubes in which the final focusing and accelerating electrodes each employ three in-line tapered, partially overlapping apertures in facing relationship, and at least one pair of integral electron beam correctors associated with the central aperture of the focusing electrode. Such structure is produced by deep drawing a workpiece having an hour-glass shaped hole for each corrector pair desired.

REFERENCES:
patent: 4275332 (1981-06-01), Ashizaki et al.
patent: 4374342 (1983-02-01), Say
patent: 4412149 (1983-10-01), Say

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