Card – picture – or sign exhibiting – Display with special effects – Electromotor operated
Patent
1977-11-14
1979-09-11
Pitrelli, John F.
Card, picture, or sign exhibiting
Display with special effects
Electromotor operated
40472, 40543, 40577, G09F 1124
Patent
active
041670744
ABSTRACT:
A three dimensional viewing device which creates the illusion of objects moving in space by utilizing a plurality of illuminated foreground scenes having cutouts through which a moving background scene illuminated with ultraviolet light is visible to provide depth and motion. The device includes a housing, a plurality of upwardly extending side walls, a rear wall, a removable top and a front wall with a large opening therethrough for viewing the displays. The entire device forms a viewing chamber. Provision is made in the front of the chamber for a plurality of vertically oriented picture members to be secured in guide tracks along the side walls and behind the viewing opening. These picture members, having a plurality of cutouts therethrough, are illuminated by a light mounted near top of the front panel. A vertically extending, continuous loop belt is secured by conventional means across the rear of the viewing chamber and a belt-driven motor provides continuous motion to this continuous loop which is illuminated by ultraviolet light to provide the illusion of the foreground members moving in space against a background of stars or planets.
REFERENCES:
patent: 1357409 (1920-11-01), Monahan
patent: 1403631 (1922-01-01), Pyper
patent: 1841844 (1932-01-01), Norworth
patent: 2102474 (1937-12-01), McKenna et al.
patent: 2196423 (1940-04-01), Musaphia
patent: 3048935 (1962-08-01), Apatoff et al.
patent: 3054204 (1962-09-01), Yates
Cannon, Jr. James J.
Pitrelli John F.
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