定义读取设备识别的打印字符的编码表示。包括字体E13B；CMC 7；OCR-A；OCR-B.为读取设备识别的字符分配位模式。然后，这些信息通过不同的媒体提供给收件人，并可供打印设备使用。单字体阅读器和多字体阅读器被视为应用程序。参考文献:ISO 646；1004; 1073; 2022

Defines the coded representation of printed characters recognized by reading equipment. Includes the fonts E 13 B; CMC 7; OCR-A; OCR-B. Assigns bit-patterns to characters recognized by reading equipment. This information is then given to the recipient by different media and can be used by printing devices. Single-font reader and multiple-font reader are considered as applications. References: ISO 646; 1004; 1073; 2022.