![]() ![]() ![]() 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. 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. The font is monospaced (fixed-width), with the printer required to place glyphs 0.254 cm ( 0.10 inch) apart, and the reader required to accept any spacing between 0.2286 cm ( 0.09 inch) and 0.4572 cm ( 0.18 inch). OCR-A uses simple, thick strokes to form recognizable characters. A special font was needed in the early days of computer optical character recognition, when there was a need for a font that could be recognized not only by the computers of that day, but also by humans. OCR-A is a font issued in 1966 and first implemented in 1968. ![]()
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