Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent
1986-09-30
1988-08-09
Swiatek, Robert P.
Card, picture, or sign exhibiting
Changing exhibitor
Alphanumeric device
40463, 340764, 340809, 34081524, 34081526, G09F 304
Patent
active
047619058
ABSTRACT:
A display panel includes a matrix of rows and columns of individually rotatable cube-like display elements each having four display faces, with opposing faces being identical in color or reflectivity, for example, and adjacent faces which are 90.degree. to one another each being of opposite color or reflectivity, for example. A trigger arm protruding from a center portion of an upper or a lower edge of each display face is selectively contacted by a trigger pin of a solenoid mounted upon and moved past the cube via a carriage mechanism for rotating the display element at least 45.degree., whereafter the display element continues to rotate an additional 45.degree. in the same direction, and is assisted in completing the rotation by a magnetic detent mechanism, which detents the display element into its new position after completion of rotation, for displaying a new face of the display element at the front of the display matrix.
REFERENCES:
patent: 1923523 (1933-08-01), Whitney
patent: 3267595 (1966-08-01), Levy et al.
patent: 3375512 (1968-03-01), Watkins et al.
patent: 3949392 (1976-04-01), Caritato
patent: 4266207 (1984-08-01), Salam
patent: 4417241 (1983-11-01), Wakatake
patent: 4533912 (1985-08-01), Gal et al.
Hakomaki J.
Swiatek Robert P.
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