Card – picture – or sign exhibiting – Translucent mirrors with indicia
Patent
1985-11-13
1988-05-31
Mancene, Gene
Card, picture, or sign exhibiting
Translucent mirrors with indicia
40442, 40900, G09F 1312
Patent
active
047472235
ABSTRACT:
A partially transparent mirrored screen extends continuously over a preselected area and contains a distribution of reflective material which varies in optical density to define regions of differing optical transmittance to light. A plurality of regions are selectively backlighted to reveal two-dimensional or three-dimensional images embodied within media behind the screen. The densities of the regions are chosen so that the images are displayed clearly when the regions are backlighted and disappear in the absence of backlighting, leaving the screen uniformly reflective of environmental light in an "off" condition. In a preferred embodiment, the reflective material includes a front layer of uniform optical density over the preselected area and a rear layer of nonuniform optical density. The front layer corresponds to the density required for a first object or image-bearing sheet located behind one region of the mirror and the rear layer provides a different density for a sheet located behind another region.
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patent: 2069368 (1937-04-01), Horinstein
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patent: 2221889 (1940-11-01), White
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patent: 3256014 (1966-06-01), Kelsey
patent: 3745678 (1973-07-01), Thomassen
Contreras Wenceslao J.
Mancene Gene
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