Inline type electron gun for color cathode ray tubes

Details Inline type electron gun for color cathode ray tubes Inline type electron gun for color cathode ray tubes

1992-02-12

1994-03-01

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313412, 313425, 313439, 313460, H01J 2956

Patent

active

052910938

ABSTRACT:
An inline type electron gun has a lopsided electric field applied to it to improve the spot formation of an electron beam in forming an expanded focus lens. The electron gun has first electrode to eighth electrode and has a lopsided electric field formed only at the two side apertures of a trio of apertures formed at one of the opposing sides of the sixth and seventh electrodes before a lopsided main focus lens formed between the seventh and eighth electrodes.

REFERENCES:
patent: 4362964 (1982-12-01), Sakurai et al.
patent: 4370592 (1983-01-01), Hughes et al.
patent: 4760308 (1988-07-01), Shirai et al.
patent: 4772826 (1988-09-01), Bloom et al.
patent: 5015911 (1991-05-01), Cho

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