信息技术.自动识别和数据捕捉技术.代码39条形码符号规范

[中文适用范围]： 本国际标准规定了条形码符号系统（称为 Code 39）的要求；它规定了 Code 39 符号体系特征、数据字符编码、尺寸、容差、解码算法和由应用程序定义的参数。 它指定 Code 39 符号的符号标识符前缀字符串。 [外文原描述]： The technology of bar coding is based on the recognition of patterns encoded in bars and spaces of defined dimensions. There are numerous methods of encoding information in bar code form, known as symbologies. Code 39 is one such symbology. The rules defining the translation of characters into bar and space patterns and other essential features are known as the symbology specification. In the past, symbology specifications were developed and published by a number of organizations, resulting in certain instances in conflicting requirements for certain symbologies. Manufacturers of bar code equipment and users of bar code technology require publicly available standard symbology specifications to which they can refer when developing equipment and application standards. ISO/IEC 16388:2007 specifies the requirements for the bar code symbology known as Code 39; it specifies Code 39 symbology characteristics, data character encodation, dimensions, tolerances, decoding algorithms and parameters to be defined by applications. It specifies the Symbology Identifier prefix strings for Code 39 symbols.