Color cathode ray tube in-line electron gun structure incorporat

Details Color cathode ray tube in-line electron gun structure incorporat Color cathode ray tube in-line electron gun structure incorporat

1984-12-12

1987-02-10

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

H01J 2962

Patent

active

046425152

ABSTRACT:
In a color cathode ray tube having an in-line electron gun with overlapping CFF lenses, the accelerating electrode apertures are critically enlarged to deepen the saddles between adjacent apertures in order to balance the asymmetry of the lensing field caused by the forcusing electrode, and eliminate beam spot distortion at the screen due to field asymmetries in the focus region.

REFERENCES:
patent: 4517488 (1985-05-01), Say
patent: 4535266 (1985-08-01), Say
patent: 4542318 (1985-09-01), Say

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