Device for projecting a moving image formed of light, shadow, an

Details Device for projecting a moving image formed of light, shadow, an Device for projecting a moving image formed of light, shadow, an

1991-08-01

1993-10-12

Cuchlinski, Jr., William A.

Optics: image projectors

Image moves on screen

353 62, 353 84, 353 87, G03B 2100

Patent

active

052530000

ABSTRACT:
A device for simulating an image formed of light and shadow created by sunlight over a period of time includes a mask having a substantially opaque portion and a light source for shining light through the mask. The image moves to realistically simulate the effect created by the sun shining into a room through an exterior window. In one embodiment, the device includes a filter bearing a translucent color gradient so that the light defining the created shadow has a changing hue.

REFERENCES:
patent: 3215033 (1965-11-01), VanGelder
patent: 3359855 (1967-12-01), Webb
patent: 3767299 (1973-10-01), Fisher
patent: 4102734 (1978-07-01), Schiffman
patent: 4192584 (1980-03-01), Dougherty
patent: 4846570 (1989-07-01), Kanai
patent: 4910541 (1990-03-01), Morgan
patent: 4917487 (1990-04-01), Cruickshark

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