Schlieren color television image aperturing device

Details Schlieren color television image aperturing device Schlieren color television image aperturing device

1989-01-17

1990-06-05

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 62, 350361, H04N 931

Patent

active

049318594

ABSTRACT:
A Schlieren-type color television projector utilizes a fiber optic rear projection screen (FORPS) at an initial focal point to translate the spatially separated, converging rays of component colors produced by the Schlieren-type color television projector into a plurality of spatially combined, diverging rays of combined colors which are then suitable for further processing by a conventional optical lens system which can either aperture or vignette the image without color fringing, separation, or a shift in the color balance normally experienced when aperturing or vignetting a Schlieren-type color television image.

REFERENCES:
patent: 2552464 (1951-05-01), Siezen
patent: 2600590 (1952-06-01), Thomas
patent: 2721319 (1955-10-01), Garman et al.
patent: 3592529 (1971-07-01), Juhlin et al.
patent: 3601470 (1971-08-01), Juhlin
patent: 3936871 (1976-02-01), Mohon
patent: 4533216 (1985-08-01), Orser et al.
patent: 4814866 (1989-03-01), Dillard et al.

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