Color picture tube for character display

Details Color picture tube for character display Color picture tube for character display

1981-07-23

1984-10-02

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313402, H01J 2907

Patent

active

044750560

ABSTRACT:
A color picture tube suited for use as a video data terminal equipment of a computer system and capable of displaying characters, graphs and the like with high fineness. In a shadow mask of dot aperture type to be used in the color picture tube, a space between the adjacent dot apertures aligned on a same line in the horizontal direction and a space between the adjacent dot aperture aligned on a same line in the vertical direction is selected equal to each other.

REFERENCES:
patent: 3654505 (1972-04-01), Davis et al.
patent: 3686525 (1972-08-01), Naruse et al.
patent: 3721853 (1973-03-01), Naruse et al.
patent: 3777204 (1973-12-01), Robbins et al.
patent: 3900757 (1975-08-01), Kaplan

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