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dBest Barcode Font Library - Code 128
Code 128 is capable of encoding all 128 ASCII characters, plus all 128 extended ASCII characters and 4 non-data function characters. It allows numeric data to be represented in a compact, double-density mode, two data digits for every symbol character. Each Code 128 symbol uses 2 independent self-checking features, character checking via parity and a modulo 103 check character. This minimizes the possibility of reader substitution errors. Special start and stop patterns are necessary to identify the leading and trailing ends of the barcode symbol. Quiet zones are spaces preceding the start pattern and following the stop pattern and are also a part of each symbol.
For Code 39 only, check out
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