CRT with asymmetric electrode geometry in inline direction with

Details CRT with asymmetric electrode geometry in inline direction with CRT with asymmetric electrode geometry in inline direction with

1996-02-08

1998-03-03

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313414, H01J 2946

Patent

active

057239380

ABSTRACT:
In a color cathode ray tube having an inline electron gun, an electrode geometry asymmetric in the inline direction is provided on the two side beam apertures in the first grid electrode for the two side beams on the side facing the cathode such that as the electron beam current through the side beam apertures decreases, the degree of an asymmetry in the inline direction in a distribution of an electric field between the side beam apertures and the cathodes increases.

REFERENCES:
patent: 4366414 (1982-12-01), Hatayama et al.
patent: 4520292 (1985-05-01), Van Hekken et al.
patent: 4628224 (1986-12-01), Collins et al.
patent: 4891549 (1990-01-01), Kniesser et al.
patent: 5128586 (1992-07-01), Ashizaki et al.
patent: 5483128 (1996-01-01), Chen

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