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Code-39 Barcode Specifications
The Code39 barcode specification is used in IDAutomation Barcode Fonts, Components and Applications to create a Code 3 of 9 barcode, which includes numbers and uppercase letters.- Using the Code39 barcode option with a font encoder returns text formatted to the Code 39 Barcode Fonts.
- Using Uni_C39 with a universal barcode font encoder returns text formatted to the Universal Barcode Font a single cross-platform font (Windows, MAC, Linux and Unix) that creates several barcode types.
- Nat_Code39 creates a "Native" barcode from pure text without requiring the installation of any additional barcode fonts or components. These options exist in the Native Generators for Access, Crystal Reports, FileMaker, JavaScript and Oracle Reports.
- The Code39 barcode option in all
Components
and Applications
will produce a barcode image. Additional properties that may be available
with this implementation include:
- The Check Char or Check Digit property, appends a MOD 34 Checksum to the data being encoded.
- The Code 39 Ext or the Extended option, enables Code 39 Extended mode.
Fig. 1. Code-39 barcode encoding "CODE-39".
The above Code 39 barcode symbol was generated with the
Barcode Image Generator.
A free online
barcode generator is also available for testing purposes.
The Code 39 barcode type is easily read and verified with the IDAutomation USB Barcode Scanner.
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