Card – picture – or sign exhibiting – Display with special effects – Selective or intermittent illumination
Patent
1982-09-27
1986-01-21
Mancene, Gene
Card, picture, or sign exhibiting
Display with special effects
Selective or intermittent illumination
2504611, 40443, G09F 1300
Patent
active
045650225
ABSTRACT:
A method and apparatus for animating illuminated signs and displays comprises sequentially illuminating with at least one source of radiant energy (51) of a particular wavelength range at least two planar scenes (53), (54) or three-dimensional objects (101), (102) visibly responsive to radiant energy of the particular wavelength range used. Means (55) are provided for shielding a non-selected planar scene or object from illumination during the time a selected planar scene or object is illuminated. In the preferred embodiment, invisible ultraviolet illumination is used to cause a plurality of scene-views to fluoresce visibly in a timed sequence which produces a visual sensation of apparent motion from one scene-view to another of an object depicted by the scene-views. Subjective brightness of scene-views may be enhanced by modulating the illumination of a scene at a perceptibly low frequency.
REFERENCES:
patent: 1834066 (1931-12-01), Litic
patent: 2015170 (1935-09-01), Ward
patent: 2152353 (1939-03-01), Lewin
patent: 4016450 (1977-04-01), Balekjian
Chapin William L.
Contreras Wenceslao J.
Mancene Gene
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