Optics: motion pictures – Methods – Exhibiting
Patent
1981-10-26
1983-12-13
Hayes, Monroe H.
Optics: motion pictures
Methods
Exhibiting
352 57, 352 86, G03B 2132
Patent
active
044202300
ABSTRACT:
A process for recording and projecting a three dimensional visual scene onto a receiving surface from which the scene may be viewed in stereopsis by the unaided human eye. A scene is recorded from right and left view positions which are laterally separated by a distance of no more than about 1 inch, and separated in a direction generally perpendicular thereto by a distance of no more than about 1 inch, groups of one or more recorded right and recorded left views are alternately projected onto a receiving surface in sequence such that the visual duration of each group varies from a minimum to a maximum time which is generally proportional to the distance of the nearest non-moving object of special regard in the scene from the recording positions and is approximately equal to the visiopsychological supression rate of the human eyes. In addition, the central points of focus of the left and right views may be selectively set at different distances during the recording to reduce keystoning effect of the projected views during visualization.
REFERENCES:
patent: 1265352 (1918-05-01), Merrill et al.
patent: 1394797 (1921-10-01), Smith
patent: 2011353 (1935-08-01), Capstaff
patent: 3482908 (1969-12-01), McCormick
Hayes Monroe H.
Manning, Jr,. Wellington M.
Wilburn, Jr. Luke J.
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