That definition was subsequently improved by Richard B. Īs metal type gave way to computer-based typesetting, Tor Lillqvist used Metafont to describe the OCR-A font. The design is simple so that it can be easily read by a machine, but it is more difficult for the human eye to read. In 1968, American Type Founders produced OCR-A, one of the first optical character recognition typefaces to meet the criteria set by the U.S. There is also a German standard for OCR-A called DIN 66008. X3.4 has since become the INCITS and the OCR-A standard is now called ISO 1073-1:1976. The OCR-A font was standardized by the American National Standards Institute (ANSI)Īs ANSI X3.17-1981. 4.3 Space, digits, and unaccented letters.4.2 Dedicated OCR-A characters in Unicode.4.1 Pre-Unicode standard representation.
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