Optical system for the display of visual images

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

1972-11-29

1976-01-13

Britton, Howard W.

Telegraphy

Systems

Simplex-reversing periodic

178DIG20, 178DIG35, 350170, H04N 718

Patent

active

039327027

ABSTRACT:
An optical display system, particularly for providing the visual display of terrain overflown to the trainee crew of a flight simulator, and including an optical probe, closed-circuit television system and projection monitor providing a visual display scene upon a projection screen viewed by trainee crew, in which the displayed scene and the scene viewed by the probe are wide-angle and optical means are included to dissect the image into two parts, without image reduction on either axis, and to reassemble the image parts into a composite image of substantially square format, for transmission and reproduction by the television system, further optical means being used to rearrange the composite image parts to reproduce the original wide-angle scene.
Image-splitting prism devices are used to provide the square format and to reproduce the wide-angle format.

REFERENCES:
patent: 3261912 (1966-07-01), Hemstreet
patent: 3294903 (1966-12-01), Goldmark et al.
patent: 3560642 (1971-02-01), Schroader
patent: 3564128 (1971-02-01), Hosterman
patent: 3659920 (1972-05-01), McGlasson

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