COLOR CATHODE-RAY TUBE Russian patent published in 1995 - IPC

Abstract RU 2040065 C1

FIELD: color television. SUBSTANCE: color CRT has coplanar electron gun whose set of electrodes forms ray-like region, prefocusing lens, and main focusing lens. Prefocusing lens is formed by four active surfaces with three round apertures in each of them; asymmetric prefocusing means in the form of one or more hollows surrounding three round apertures is provided in at least one of active surfaces. EFFECT: improved design. 10 cl, 18 dwg, 3 tbl

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RU 2 040 065 C1

Authors

Dehvid Artur N'Ju[Us]

Dates

1995-07-20—Published

1991-02-21—Filed