Optical systems for the display of visual images

Details Optical systems for the display of visual images Optical systems for the display of visual images

1975-10-28

1977-11-01

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358104, 358225, 358250, 350170, H04N 718

Patent

active

040568270

ABSTRACT:
An optical display system for a craft navigation simulator providing a wide angle display of greater than 3:1 width/height format derived from a closed circuit television camera viewing a terrain model. A wide-angle scene viewed is divided into three or more parts at vertical boundaries all of which are off-center and folded by a first optical system into substantially square format, in which format the composite image is processed from camera tube to display tube. A second optical system reconstructs the original wide angle image. By this means, high definition of the image in the center region and, particularly, near the horizon, is maintained.

REFERENCES:
patent: 3294903 (1966-12-01), Goldmark
patent: 3560642 (1971-02-01), Schroader
patent: 3564128 (1971-02-01), Hosterman
patent: 3659920 (1972-05-01), McGlasson
patent: 3932702 (1976-01-01), Shelly

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