Animated display device having a curved platen and a movable fil

Details Animated display device having a curved platen and a movable fil Animated display device having a curved platen and a movable fil

1977-02-10

1978-10-10

Pitrelli, John F.

Card, picture, or sign exhibiting

Display with special effects

Electromotor operated

40476, 74 66, G09F 1334, G09F 1914

Patent

active

041188799

ABSTRACT:
An animated display device having illuminating means for projecting uniformly diffused light toward a viewer and means between said illuminating means and the viewer for providing an animated display including a rigid platen having a convex surface with sections of transparent and opaque character, a flexible sheet of film in contact with the convex surface and having translucent images thereon, resilient means tensioning the film over and in full surface contact with the convex platen surface, and a drive mechanism for shifting said film and said platen relative to one another. An adjustment mechanism is associated with the drive mechanism to facilitate angular alignment of the film relative to the platen.

REFERENCES:
patent: 1888527 (1932-11-01), Edouart
patent: 2506135 (1950-05-01), Burchell
patent: 2956359 (1960-10-01), Smith et al.
patent: 3421805 (1969-01-01), Rowland
patent: 3683525 (1972-08-01), Fukui
patent: 3862504 (1975-01-01), Ringelheim et al.
patent: 3918185 (1975-11-01), Hasala

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