Card – picture – or sign exhibiting – Changing exhibitor – Variable reading stationary exhibitor
Patent
1987-04-10
1988-08-30
Mancene, Gene
Card, picture, or sign exhibiting
Changing exhibitor
Variable reading stationary exhibitor
40615, G03B 2502
Patent
active
047666846
ABSTRACT:
A lenticular screen display designed for viewing in sunlight which comprises an array of parallel, horizontally arranged cylindrical lenticules with a sequence of animated images on a section located in the top portion of the focal plane of the lenticules, and means for preventing the sun's rays from focusing on the focal plane of the lenticules so as to prevent burning the image bearing sections. The means for preventing the sun's rays from focusing on the image bearing section can be diffusers or reflectors located in the lenticule at the appropriate position. Another means is to alter the focal length of the lower portion of the lenticules so it is either less or greater than the focal length of the top portion. A further means is to make the top portion of the front surface of the lenticule flat.
REFERENCES:
patent: 2833176 (1958-05-01), Ossoinak
patent: 3586592 (1971-06-01), Cahn
patent: 4420221 (1983-12-01), Sparks
patent: 4663871 (1987-05-01), Young
Contreras Wenceslao J.
Mancene Gene
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