G - Physics – 09 – G
Patent
G - Physics
09
G
375/47, 345/7
G09G 3/00 (2006.01) G09F 13/42 (2006.01)
Patent
CA 1224292
METHOD AND APPARATUS FOR ANIMATING ILLUMINATED SIGNS AND DISPLAYS 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.
437560
Chapin William L.
Gowling Lafleur Henderson Llp
LandOfFree
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