Color reference CRT and method of making
AssigneeNorth American Philips Corporation
InventorRobert L. Donofrio
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Abstract
A color reference CRT of the type employing a screen of a pattern of individual phosphor elements of different color components, is produced by adjusting the screen weights of the different color components to achieve the desired reference color when the screen is scanned by an electron beam of predetermined beam current and anode potential.
Claims6
A method for producing a color reference CRT employing a pattern of individual phosphor elements of different color components on the display window of the CRT, the method comprising adjusting the relative screen weights of the phosphors of the component color fields to achieve a desired reference color when the CRT is operated at predetermined values of beam current and anode voltage.
Dependencies are inferred from the claim text.