Method and apparatus for superimposing scenes

Details Method and apparatus for superimposing scenes Method and apparatus for superimposing scenes

1983-07-01

1989-01-10

Hayes, Monroe H.

Optics: motion pictures

Special effects

Sets

352 45, 352 46, 352 47, G03B 1918, A63J 500

Patent

active

047969903

ABSTRACT:
The device includes a camera having first and second imaging mediums. Polarized illumination is directed toward the camera from a screen mounted behind the foreground object. The foreground object blocks some polarized light from reaching the camera. Unpolarized light illuminates the foreground object, and the light reflects from the foreground object to the camera. A prism in the camera reflects polarized light to the first imaging medium and transmits the orthogonal components from the foreground object to the second imaging medium. The image received by the first imaging medium is combined with a background scene, and the image received by the second imaging medium is added to the combined image of the first imaging medium and the background scene.

REFERENCES:
patent: 2028975 (1936-01-01), Gillette
patent: 2615364 (1952-10-01), Tondreau
patent: 2669902 (1954-02-01), Barnes
patent: 2727427 (1955-12-01), Jenkins
patent: 2727429 (1955-12-01), Jenkins
patent: 3260563 (1966-07-01), Hoard
patent: 4018519 (1977-04-01), Clapp
patent: 4457599 (1984-07-01), Sawicki
Perkin-Elmer Bulletin No. PBC 8-1-71.

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