G - Physics – 09 – F
Patent
G - Physics
09
F
26/197, 240/51,
G09F 9/305 (2006.01) B65H 81/00 (2006.01) G02B 27/02 (2006.01)
Patent
CA 1074280
ABSTRACT OF THE DISCLOSURE The disclosure pertains to an optical display apparatus, or fiber optics magnification panel, and a method of making same. The display apparatus comprises a light input surface defined by one end of each of a multiplicity of elongated optical carrier strands, e.g. fiber optic strands, the one ends being arranged in a relatively closely spaced array of rows and columns. A light output surface is substantially perpendicular to the light input surface and is defined by the other ends of the strands, the other ends being arranged in a relatively remotely spaced configuration of rows and columns. Each column of strands extends rearwardly from the input surface to a depth which depends upon the column's position in the order of columns. Each strand of a column bends sidewardly -1- at its point of greatest depth to an orientation which is substantially parallel to the input surface. The strands of each column are of different length with each strand of a column terminating at a transverse position which depends upon its row order in the column, such that the other ends of the strands of the columns of the input surface define columns of the output surface which are at less than a right angle with respect to the columns of the input surface. The result is a compact wedge-shaped display apparatus. In accordance with the disclosed method, a plurality of substantially parallel relatively closely spaced optically conducting elongated strands, such as fiber optic strands, are wrapped about a spacer element. At least one additional spacer element is then positioned over the previously wrapped strands and the plurality of strands is rewrapped over the at least one additional spacer element in spiral fashion. The operation of positioning an additional spacer element over the previously wrapped strands and rewrapping the strands over the additional spacer element is then repeated a desired number of times. The resultant spirally wound construction is then severed substantially along the plane of the first- mentioned spacer element, and a resultant portion of this severing operation is angularly severed to form a pair of wedge-shaped display panels. -2-
291481
Na
New York Institute Of Technology
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