Apparatus for formation of visual sense effect

Card – picture – or sign exhibiting – Display with special effects – Electromotor operated

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40435, G09F 1900

Patent

active

06134818&

ABSTRACT:
An apparatus for the formation of a visual sense effect comprises a first object A having a plurality of windows disposed around an axis of rotation C and a second object B so disposed as to show part thereof through the windows W of the first object A, with the first object A and the second object B adapted to be rotated relative to each other round the axis of rotation C. By virtue of the visual sense effect in vision, this apparatus allows an object of a polygonal shape to be perceived as though the object were repeating enlargement, contraction, deformation, and eccentric movement.

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patent: 3621603 (1971-11-01), De Gelder
patent: 3846926 (1974-11-01), Sullivan
patent: 3900978 (1975-08-01), Sloan
patent: 5269086 (1993-12-01), Tomes

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