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Barcode Education » DataGlyphs
DataGlyph is a proprietary code developed by Xerox PARC . The code is made up of a gray background pattern of small "\"s and "/"s encoding binary data, including synchronization patterns and error correction. Each mark can be as short as 1/100th of an inch (0.25mm). Densities of 1000 8-bit "bytes" per square inch are possible using this code. DataGlyph is tolerant to ink marks, bad copies, and even staples through the symbol because of the internal error correction, randomization of the data.

DataGlyphs are designed to merge with the design of the product they are printed on. DataGlyphs can be logos or tints behind text or graphics. Applications include questionnaires, direct-mail reply forms and surveys and business cards The symbol is read using an image scanner.

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