Card – picture – or sign exhibiting – Display with special effects
Patent
1986-10-09
1988-07-19
Mancene, Gene
Card, picture, or sign exhibiting
Display with special effects
40160, 350144, 358250, 358 89, G09F 1912
Patent
active
047576260
ABSTRACT:
A display apparatus includes a mechanism for storing images on a plurality of partially transparent sheets. Each sheet includes several rows of graphic material separated by rows of transparent areas. The sheets are relatively stiff so that they do not wrinkle or buckle under their own weight and are supported on upper and lower edges by tabs. A drive mechanism brings one sheet into viewing position as another sheet simultaneously withdraws in the same direction to produce a smooth dissolve of the projected image. Silk screened stripes of material on the sheets prevent the sheets from rubbing against each other and harming the graphic information and otherwise prevent mechanical interference between the sheets. By contouring the surface of the screen, it is possible to create a three dimensional image by illuminating the rear surface with a television screen or other image storage or producing means. It is further possible to transform a black and white television into a digitized color display by placing color filter areas behind each of the cells of the digitizing screen and then selectively illuminating combinations of the color filter areas with the TV raster scan. The digitizing screen can also be used as an image conversion tool by illuminating original art work on the rear face of the digitizing screen and tracing the digitized image thereof from the front face of the screen.
REFERENCES:
patent: 2663960 (1953-12-01), Cerracchio
patent: 2884833 (1959-05-01), Pohl
patent: 4333707 (1982-06-01), West
Mancene Gene
Stone Cary E.
Woodbridge Richard C.
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