Code 93 Code Scanner Algorithm

Barcode Scanning Code 93 is an alphanumeric, variable-length symbology that was developed in 1982 and is maintained by Intermec Corporation. It combines some of the characteristics of Code 39 - Full ASCII and GS1-128 into a single barcode language that has very high density. Code 93 is defined in AIM-BC5-2000 Uniform Symbology Specification - Code 93. Symbol Structure The symbol comprises the following elements: 1. Leading quiet zone 1. Start character 1. Input characters that represent data 1. Two check digits 1. Stop character 1. Trailing quiet zone Each data character in a Code 93 symbol is made up of six elements: three bars and three spaces. Bars can be one to three modules wide, and spaces can be one to four modules wide. These six elements are spread out over a space that is nine modules wide. (The name "Code 93" derives…