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| OCR A Extended ： ウィキペディア英語版 |
OCR-A
OCR-A is a font that arose 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.〔(Motivation for OCR-A from Microscan )〕 OCR-A uses simple, thick strokes to form recognizable characters.〔(Background on OCR from Embedded Software Engineering )〕
The font is monospaced (fixed-width), with the printer required to place glyphs cm ( inch) apart, and the reader required to accept any spacing between cm ( inch) and cm ( inch).
==Standardization==
The OCR-A font was standardized by the American National Standards Institute (ANSI)
as ANSI X3.17-1981. X3.4 has since become the INCITS and the OCR-A standard is now called ISO 1073-1:1976. There is also a German standard for OCR-A called DIN 66008.〔(DIN 66008-1 Font A For Optical Character Recognition; Characters And Nominal Dimensions )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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