GB/T 12508-1990 (English Version) PDF

Standard No.: GB/T 12508-1990
Language: Chinese, Available in English version
Release Date: 1990
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 12508-1990
Replace: GB 2425-1981

Scope: This standard specifies the shape and size of printed images, which are not only in line with people's reading habits, but also suitable for machine reading, so as to facilitate and promote the application of optical character recognition (OCR) in data processing. This standard specifies the shape and size of printed images of alphanumeric characters, graphics and symbols for optical character recognition, and is also applicable for general purposes. The character shape of the OCR-B designed is not only suitable for the OCR system, but also suitable for general purposes in a wider range of applications, without causing excessive inconvenience. The character size of OCR-B is given in three dimensions.

GB/T 12508-1990 history

1990 GB/T 12508-1990 Alphanumeric character sets for optical recognition--Part 2: Character set OCR-B--Shapes and dimensions of the printed image
0000 GB 2425-1981