Image producing device

Details Image producing device Image producing device

1985-09-13

1987-03-31

Wintercorn, Richard A.

Optics: image projectors

Plural projection paths with single light source

353 2, G02B 2300

Patent

active

046538437

ABSTRACT:
An amusement device for producing a variety of unusual changing images and colors comprising a tube having an interior reflecting surface extending substantially the entire length thereof. An object case at one end of the member contains one or more birefringent objects of varying size and shape. An eye piece is disposed at the other end of the chamber. Light polarizers are disposed on both sides of the birefringent objects. At least one of the light polarizers is dimensioned so that it is free to rotate within the tube when the tube is tapped, shaken or turned.

REFERENCES:
patent: 2423371 (1947-07-01), Carranza
patent: 3100418 (1963-08-01), Posner
patent: 3383150 (1968-05-01), Powers
patent: 3674333 (1972-07-01), Mandel
patent: 3841730 (1974-10-01), Karelitz

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