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PDF 417 (od ang. Portable Data File) – dwuwymiarowy piętrowy alfanumeryczny ciągły modularny samosprawdzalny kod kreskowy opracowany w 1990 roku przez Symbol Technologies.
PDF417 is one of the formats (along with Data Matrix) that can be used to print postage accepted by the United States Postal Service. PDF417 is also used by the airline industry's Bar Coded Boarding Pass ( BCBP ) standard as the 2D bar code symbolism for paper boarding passes.
Jednym z dosyć popularnych kodów 2D jest kod PDF417, który został specjalnie zaprojektowany, aby poradzić sobie z wyzwaniami związanymi z przechowywaniem dużych ilości danych w niewielkim obszarze. Czytając ten artykuł, dowiesz się więcej o historii, strukturze, zastosowaniach i niezwykłych cechach tego wszechstronnego kodu.
PDF417 format supports the following character set and compact modes. Text Compaction mode permits all printable ASCII characters to be encoded, i.e. values 32 - 126 inclusive in accordance with ISO/IEC 646 (IRV), as well as selected control characters. Byte Compaction mode permits all 256 possible 8-bit byte values to be encoded.
How to efficiently generate, encode, print and verify the PDF417 2D barcode symbology. Includes a FedEx barcode label formatting tutorial.
Description of PDF417. The PDF417 is a 2D barcode. It is based on stacked barcodes. The characters are coded in code words. A code word consists of 17 modules, which consist respectively of 4 strokes and 4 spaces. The PDF417 is a very compact and flexible code with variable length. Up to 1108 bytes can be coded.
PDF417 is a two-dimensional, variable-length stacked symbology that was developed in 1992 to encode large amounts of data in a small area. Its name derives from its format: a portable data file (PDF) that carries four bar elements and four space elements arranged in a 17-module codeword.
