Importance

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Abstract

A cathode ray tube (CRT) device increases image resolution using spatial or temporal techniques. The CRT device includes a plurality of electron guns that each produce an electron beam and a plurality of separate phosphor dots, each corresponding to one of a plurality of primary colors. Certain ones of the phosphor dots form a color spot of a single primary color when impacted by an electron beam. The CRT device also includes steering electronics coupled to the plurality of electron guns to guide the electron beams to project on the phosphor dots to form a plurality of color spots each indicating a different one of the primary colors. The steering electronics direct the electron beams to separate and shift the color spots indicating the different primary colors from one another. In one embodiment, a subpixel clock is coupled to the steering electronics to effect subpixel rendering on the CRT device.

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First Claim