ISO IEC 15417 PDF

ISO/IEC. Second edition. Information technology — Automatic identification and data capture techniques — Code bar code symbology. Code is a high-density linear barcode symbology defined in ISO/IEC It is used for alphanumeric or numeric-only barcodes. It can encode all. 29 Jun BS ISO/IEC Information technology. Automatic identification and data capture techniques. Code bar code symbology.

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GSO ISO/IEC – Standards Store – GCC Standardization Organization

The minimum width of the Quiet Zone to the left and right of the Bar Code is 10x, where x is the minimum width of a module. The FNC x codes are used for ice purposes. Within each code set, some of the data code points are reserved for shifting to one of the other two code sets. Using code set C saves one symbol per two digits, but costs a mode-shift symbol to enter and exit the set. Three 1’s in sequence indicates a bar three times as thick as a single 1 bar.

When the stop pattern is read left-to-right the usual casethe stop symbol followed by a 2-module bar is recognized.

It is calculated by summing the start code ‘value’ to the products of each symbol’s ‘value’ multiplied by its position in the barcode string. This article’s use of external links may not follow Wikipedia’s policies iao guidelines. Each bar and space is 1 to 4 modules wide, and the symbols are fixed width: As there are an odd number of 14517 in the middle of the string, the odd one must be use a different code, set, but it makes no difference whether this is the first or last; 16 symbols are required in either case: Despite its name, Code does not have distinct symbols, so it cannot represent code points directly.

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For example, application identifier indicates that an ISO numeric country code and ship-to postal code follows. For instance the code set C value “33” and the code set B value “A” are both considered to be a Code value of 33, and the check digit is computed based on the value of 33 155417 the symbol’s position within the barcode. For the purpose of computing the check symbol, the shift lso code-switch symbols are treated the same as any other symbol in the bar code. Views Read Edit View history.

Reading the stop pattern left to right is the stop pattern followed by a 2-unit barand reading the stop pattern right to left is the reverse stop pattern followed by a 2-unit bar. Please improve this article by removing excessive sio inappropriate external links, and converting useful links where appropriate into footnote references. However, this feature is not widely supported.

Two of the symbols are used for stop end-of-barcode indication, stop and reverse stop. Reporting just the lengths of each run gives 1, 1, 1, 3, 2, 3, thereby producing a widths value of Therefore this version remains current.

[MS-OI]: Normative References

The Algorithm Design Manual 2nd ed. Using the example above, an ‘A’ would be depicted with the patternor as widths in the tables below.

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This section gives the compression strategy.

The stop pattern is composed of two overlapped symbols and has four bars. All articles with unsourced statements Articles with unsourced statements from May Wikipedia external links cleanup from January Wikipedia spam cleanup from January Code 154177 symbols: Final text received or FDIS registered for formal approval. The following table details the widths associated with each bar and space for each symbol.

The check symbol is calculated from a weighted sum modulo of all the symbols. It specifies Code symbology characteristics, data character encodation, dimensions, decoding algorithms and the parameters to be defined by applications. Code iwc one such symbology. The initial subset is selected by using the appropriate start symbol. The check digit is a weighted modulo checksum. The start symbol and first encoded symbol are in position 1.

1.2.1 Normative References

It iiso the symbology identifier prefix strings for Code symbols. There are numerous methods of encoding information in bar code form, known as symbologies. If during this sequence of extended encodation a single “FNC4” character is encountered it is used to revert to standard ASCII encodation for the next data character only.

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