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Knowledge of Barcodes
2022-11-25 14:18
What is a barcode?
Barcode is composed of a group of regularly arranged bars, spaces and their corresponding characters to represent certain information.
A complete barcode=quiet zone+start character+data character+(check character)+terminator+quiet zone
Barcode type (one-dimensional barcode)
The different arrangement rules of bars and spaces form different code systems, like belows:
EAN code
39 code
UPC code
128 code
Codabar code
Barcode type (two-dimensional barcode)
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