Directly viewable stereoscopic projection system

Details Directly viewable stereoscopic projection system Directly viewable stereoscopic projection system

1974-11-21

1976-05-25

Britton, Howard W.

Telegraphy

Systems

Simplex-reversing periodic

350131, 350211, 352 57, G02B 2722, G02B 308, G03B 3500, H04N 954

Patent

active

039595803

ABSTRACT:
Stereoscopic inputs given by a display, where the stereo images are centered on respective intersecting optical axes, which images both stereo inputs on a field lens at the intersecting which forms, in turn, exit pupils at a predetermined focal distance from the field lens on the respective optical axes. The input lenses are spaced such that the distance between the formed pupils is equal to the interpupillary distance of the viewer. The viewer merely positions himself such that his right eye is coincident with the one exit pupil and the left eye becomes coincident with the other exit pupil. Selection of the proper optics for any given stereo application first requires consideration of the parameters involved and their influence on the application at hand. Some of the display parameters are necessarily linked to sensor parameters and vice versa. Also, certain visual system parameters are dictated.

REFERENCES:
patent: 2891444 (1959-06-01), Ewald
patent: 2955156 (1960-10-01), Heilig
patent: 3293358 (1966-12-01), Ratliff
patent: 3525807 (1970-08-01), Herriott
patent: 3547520 (1970-12-01), Lee
patent: 3670097 (1972-06-01), Jones
patent: 3705261 (1972-12-01), Langley
Weldon, Roger et al., "Apparent Motion . . . Stereo Base," JOSA, Vol. 55, No. 7, pp. 896-897, July 1965.

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