Operator readable and machine readable character recognition sys

Communications: electrical – Digital comparator systems

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179 84VF, 179 90K, 235495, 340365R, G06K 918

Patent

active

041329767

ABSTRACT:
A character recognition system incorporating a three-by-three matrix has a family of operator readable and machine readable alphanumeric characters formed in relation to a three-by-three matrix for designating a plurality of individual parameters in response to whether discrete locations within the three-by-three matrix are occupied or not occupied by a portion of the character. The characters are made available in machine readable form by being inscribed on a form which is printed with a plurality of circles which designate the discrete locations and which are arranged in each of a number of rectangular three-by-three arrays, to indicate graphically the positions which are scanned during reading of the form. Machine readable characters are inscribed in the rectangles through and around the circles, in accordance with a characteristic coding scheme, which incorporates up to 512 different individual characters. Locations on the form other than the discrete locations are ignored during machine reading, but are used to render otherwise esoteric characters operator readable.

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