Light polarizing lamination and system employing same

Details Light polarizing lamination and system employing same Light polarizing lamination and system employing same

1980-09-11

1982-11-23

Hirsch, Paul J.

Card, picture, or sign exhibiting

Display with special effects

Electromotor operated

G09F 1300

Patent

active

043598323

ABSTRACT:
Undesirable visual effects, such as blinking, observed when an animated image produced by means of polarized light is viewed by means of a color television camera or a similar device which is sensitive to the angle of polarization of light which it views, are avoided by use of animating lamination which includes, between the layer of polarmotion material and the artwork transparency, an intermediate depolarizing layer of vellum-parchment drawing paper.

REFERENCES:
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patent: 2334446 (1943-11-01), Serrell
patent: 2440105 (1948-04-01), Land
patent: 2441019 (1948-05-01), Georgian et al.
patent: 2487063 (1949-11-01), Marks
patent: 2846799 (1958-08-01), Viszlo
patent: 2882631 (1959-04-01), Boone
patent: 3054204 (1962-09-01), Yates
patent: 3055131 (1962-09-01), Novak
patent: 3437401 (1949-04-01), Siksai
patent: 4025688 (1977-05-01), Nagy et al.

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