This standard describes nominal shapes@ sizes@ and printing positions of OCR-B alphanumeric characters and symbols for optical character recognition (OCR) systems. Purpose. The purpose of this standard is to establish a standard character set and character specifications for use in optical character recognition systems. It is the further purpose of this standard to provide a character set in which the conventional appearance of the characters has not been compromised for purposes of increasing OCR distinguishability. In order to accommodate a wide variety of OCR applications@ the character repertoire includes numerals@ uppercase and lowercase characters@ and special symbols in three different sizes.
INCITS 49-2017 history
2017INCITS 49-2017 Character Set for Optical Charater Recognition (OCR-B)
2000INCITS 49-2000 Character Set for Optical Charater Recognition (OCR-B) (formerly ANSI X3.49-1975; FIPS PUB 32)
1975INCITS 49-1975 Character Set for Optical Charater Recognition (OCR-B)