Optical aperture device for manufacturing color cathode ray tube

Details Optical aperture device for manufacturing color cathode ray tube Optical aperture device for manufacturing color cathode ray tube

1992-06-29

1993-12-14

Gellner, Michael L.

G03B 4100

Patent

active

052707539

ABSTRACT:
An apertured member for use in a CRT screen manufacturing device, or lighthouse, is disclosed as being spaced from the light source and having a light-transmitting slot of approximately parabolic shape. The axis of the parabola which is perpendicular to the CRT screen being made. This apertured member is useful for correcting beam landing misregistration errors resulting from the use of a self-converging yoke with the CRT.

REFERENCES:
patent: 3780629 (1973-12-01), Barten et al.
patent: 4025811 (1972-05-01), Van Nes
patent: 4132470 (1979-01-01), van Heek
patent: 4568162 (1986-02-01), Ragland, Jr.
patent: 4586799 (1986-05-01), Hayasni et al.
patent: 4634247 (1987-01-01), Morrell et al.
patent: 4670824 (1987-06-01), Kuki et al.
patent: 4983995 (1991-01-01), Sugahara
patent: 5023157 (1991-06-01), Testa

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