Codabar Barcode Overview
Codabar is a discrete and efficient barcode symbology with a maximum data length of 16 characters. In addition, this bar code type is also known as Codeabar, ABC Codabar, Ames Code, NW-7, Monarch, Code 2 of 7, Rationalized Codabar, Uniform Symbology Specification Codabar, USS Codabar ANSI/AIM BC3-1995 and USD-4.
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Codabar is usually used in libraries, US blood banks, and the package delivery industry. Apart from those fields, it is also applied to photo labs, on FedEx airbills, and various information processing applications.
Codabar Barcode Generation
Codabar Generator for Office Word - Create Codabar in Microsoft Word documents with ISBN barcode add-in
Codabar Generator for Office Excel - Excel Barcode Software SDK for generating Codabar in Microsoft Excel
Codabar Generator for .NET - .NET Component that generates Codabar for Windows and Web Applications
Codabar Generator for Winforms - A windows forms development tool for Codabar barcode image generation
Codabar Generator for ASP.NET - An ASP.NET SDK to stream Codabar barcode image into ASP.NET web projects
Codabar Generator for Java - Java Class Library that is used for Codabar bar code image generation in Java
Codabar Barcode Structure
A Codabar symbol is made up of six parts: left quiet zone, start character, inter-character space, data characters, stop character and right quiet zone. Furthermore, each Codabar symbol character is comprised of seven elements: four bars and three spaces, among which two or three elements will be wide, while the rest will be narrow. Please note the valid ratio of narrow to wide is from 1:2.25 to 1:3.
Quiet zone
Quiet zone is a white space surrounding the Codabar barcode image, which is able to protect the Codabar symbol.
Inter-character space
An inter-character space is purposely used to separate the start/stop character and data characters.
Start and stop character
The start and stop character can be selected from A, B, C and D based on specific requirements, which are applicable to mark the beginning and end of the barcode.
Codabar Barcode Encoding Data
The encodable data of Codabar bar code includes the following three aspects:
- Ten Digits: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9;
- Six symbols: - (Dash), $ (Dollar), : (Colon), . (Point), / (Slash), + (Plus);
- Four letters: A, B, C, or D used as Start and stop characters.
Codabar Barcode Checksum Calculation
Codabar is a self-checking barcode, but there is no check digit defined as one part of the Codabar symbol structure. However, some specific industries, especially libraries, have their own checksum specifications.