Three-dimensional photographic technique

Optics: motion pictures – Removable film strip magazine type

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352 84, 353 7, G03B 3502, G03B 3516, G03B 3906

Patent

active

042381487

ABSTRACT:
A three-dimensional photographic system includes a source of pulsed-optical radiation characterized by an output optical pulse of risetime length less than the depth resolution desired of an object to be photographed. The pulse is directed on the object; the reflected radiation from the object is collected by an array of optical lenslets (lenticular plate), which forms a corresponding array of images of the object. This array of images is streaked, for example, by a streaking image converter tube, to form a corresponding array of streaked images in accordance with the said array of images of the object as a function of time. The array of streaked images is then recorded by a photographic film camera on other recording means; the recorded film can then be analyzed or viewed with human eyes for the purpose of three-dimensional analysis or viewing of the object. Particularly one optical pulse enables a recording which can subsequently be unscrambled to yield a three-dimensional image for measurement or for binocular viewing even though the distance of the object for the viewing point is much too great for normal binocular stereoscopic perception of depth.

REFERENCES:
patent: 3291555 (1966-12-01), Browning
patent: 3294002 (1966-12-01), Vitkine
patent: 3682553 (1972-08-01), Kapany
Caulfield, H. J. et al., "Three Dimensional Images," in Applied Optics, vol. 16, pp. 774-775.
Courtney-Pratt, J. S., "Some Unconventional Methods of High-Speed Photo," Bell Systems Tech. Pub. Monograph, 4076, pp. 24-25.

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