Best Practices for Maximizing Barcode Reader Technology [eBook Series 2 of 6]

Maximizing barcode technology dynamsoft

There is a lot to consider when attempting to select an appropriate barcode to use. You should familiarize yourself with the various barcode types, their capabilities, and requirements, to ensure a proper barcode selection for your given scenario.

To select the barcode for your given task, you need to understand its character set. There are generally three different types of character sets:

  • Numeric — A numeric character set includes numbers only (0-9)
  • Alphanumeric — An alphanumeric character set includes numbers and alphabetic characters (0-9 and A-Z)
  • Full ASCII — An ASCII character set includes any ASCII character (value 0-127).

Barcode capabilities range anywhere from using dozens of characters to encode with a particular 1D barcode to thousands of characters in 2D barcodes. There are mainly two types of barcodes:

  • 1D barcodes consist of vertical black lines against an all-white background. The lines are of varying widths with specific gaps resulting in a particular pattern.
  • 2D barcodes consist of square or rectangular patterns of two dimensions. Again, the patterns are usually black against an all-white background.

Generally, 2D barcodes store more data and support a bigger character set than 1D barcodes. However, bigger is not always better. Barcode selection should be based on efficiencies of maximizing a character set with a little room to grow rather than perhaps double or triple the character set you may use. Otherwise, this might have an impact on processing speeds.

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