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. ISO/IEC Code bar code symbology specification. ISO/IEC Information technology — Automatic identification and data capture. BS ISO/IEC Information technology. Automatic identification and data capture techniques. Code bar code symbology.

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For the end user, Code barcodes may be generated by either an outside application to create an image of the barcode, or by a font-based barcode solution.

BS ISO/IEC 15417:2007

However, this feature is not widely supported. Graphical symbols for use on information technology and telecommunications technical drawings and in relevant technical product documentation.

If two consecutive ‘FNC4’ characters are used, all following data characters are extended ASCII characters until two further consecutive ‘FNC4’ characters are encountered or the end of the symbol is reached. For example, given the string “xy23”, savings on barcode length using iex set C are achieved only if it is applied to middle part of the string.

Monday to Friday – The Iiso Design Manual 2nd ed. Life cycle A standard is reviewed every 5 years 00 Preliminary. For example, in the following table, the code variant A checksum value is calculated for the alphanumeric string PJJC:.

You may find similar items within these categories by selecting from the choices below:. Each bar and space is 1 to 4 modules wide, and 115417 symbols are fixed width: Code bar code symbology specification Status: We use cookies to make our website easier to use and to better understand your needs. The sum of the products iecc then reduced modulo The stop pattern is composed of two overlapped symbols and has four bars. There will always be 6 runs and the lengths of these 6 runs form the Widths value.


Sio there are an odd number of digits 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: The following table details the widths associated with each bar and space for each symbol.

Thus, it only worth using if there are enough consecutive digits. Each bar or space is 1, 2, 3 or 4 units wide, the sum of the widths of bars must be even 4, 6 or 8 unitsthe sum of the widths of the spaces must be odd 3, 5 or 7 unitsand total 11 units per symbol.

Worldwide Standards We can source any standard from anywhere in the world. The remainder is then converted back to one of the non-delimiter symbols following the instructions given below and appended to the barcode, immediately before the stop symbol. The shifts are done using code points 98 and 99 in code sets A and B, in code sets A and C and in code sets B and C to switch between them:.

A scanner seeing the reverse stop symbol then knows it must skip the 2-module bar and read the rest of the barcode in reverse. Take the smart route to manage medical device compliance. Code is one such symbology. FNC1 ieo the beginning of a bar code indicates a GS bar code which begins with a 2- 3- or 4-digit application identifier assigned by the Uniform Code Councilwhich explains the following digits.

Reading the stop pattern left to right is the stop pattern followed by a 2-unit barjso reading the stop pattern right to left is the reverse stop pattern followed by a 2-unit bar. For the beginning and ending part of the string, switching to code set C is not effective.

The “Code A”, “Code B” and “Code C” symbols cause all future symbols to be interpreted according to the corresponding subcode. The width of each bar or space may be 1, 2, 3 or 4 units modules. Each symbol in the barcode is composed of three bars and three spaces. The technology of bar coding is based on the recognition of patterns encoded in bars 1417 spaces of defined dimensions.


Within each code set, some of the data code points are reserved for shifting to one of the other two code sets.

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Code – Wikipedia

Although code set C uses one code symbol to represent two digits, it does not always produce a more compact code than code sets A or B. Please improve this article by removing excessive or inappropriate external links, and converting useful links where appropriate into footnote references.

When the stop pattern is read left-to-right the usual casethe stop symbol followed by a 2-module bar is recognized. Using code set C saves one symbol per two digits, but costs a mode-shift symbol to enter and exit the set. Barcode reader Barcode printer.

Bar code print quality test specification. All widths are multiples of a basic “module”. For instance, encoding the ASCII character “0” can be viewed aswhere a sequence of 1’s is a bar and a sequence of 0’s is a space.

Verfahren der automatischen Identifikation und Datenerfassung. Code 39 bar code symbology specification. January Learn how and when to remove this template message. Final text received or FDIS registered for formal approval. Search all products by. Automatic identification and data capture techniques. Three 1’s in sequence indicates a bar three times as thick as a single 1 bar.