INTRODUCTION

An alphanumeric, variable length symbology designed to provide a higher density and data security enhancement to Code 39. Every symbol includes two check characters and is capable of combining characters to unambiguously represent all 128 ASCII characters.

TECHNICAL DATA / FEATURES


Code Type Continuous, Linear
Encodable Character Set All 128 ASCII and extended ASCII characters
All 65 536 Unicode characters
3 non-data function characters
4 start/stop character combinations
Elements / Symbol Character 6 (3 bars, 3 spaces)
Modules / Symbol Character 5.4 per numeric character
9 per alphanumeric character
13.5 per byte
27 per Unicode character
Omnidirectional Decoding Yes
Error Correction 2 check characters or 6 Reed Solomon error correction characters
Maximum Data Characters Limited by available space for width

ENCODING (Section in progress)

Symbol Structure

Character Encodation

Finder Patterns

Quiet Zones

Symbol Dimensions

Error Detection and Correction

Transmitted Data

SAMPLE IMAGES (click on image to download full decodable bmp)


Code 93 Multiple Bar Codes
660 KB (bmp)
Code 93 Symbol Structure
591 KB (bmp)
Code 93 Sample Bar Code
631 KB (bmp)

COMMON APPLICATIONS


  • Canadian Post Office
  • LINKS


    Overview of AIM Specification