Optics: motion pictures – Methods – Exhibiting
Patent
1976-12-14
1978-12-26
Hayes, Monroe H.
Optics: motion pictures
Methods
Exhibiting
352 86, 352 87, G03B 2132
Patent
active
041313429
ABSTRACT:
An optical viewing system and method is described, whose operating principles are based on two psycho-physiological characteristics of the human visual system. One of these characteristics is the time delay between the arrival of a light stimulus or image on the retina of the eye and its recognition or interpretation at the visual cortex. The other characteristic is the non-achromatism of the eye. The first of these characteristics manifests itself in the so-called Pulfrich illusion, a moving object being apparently displaced from its actual path when viewed by an observer with a neutral filter in front of one eye, as differential visual time-lag results from the difference in brightness of the two retinal images. The second characteristic manifests itself in the so-called chromostereoscopic effect which, under certain conditions, creates the illusion that differently colored objects, although actually at the same distance from an observer, are at different distances from him.
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Beecher Keith D.
Hayes Monroe H.
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