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A Swiss postal barcode encoding "RI 476 394 652 CH" in Code 128 (B & C) Code 128 is a high-density linear barcode symbology defined in ISO/IEC 15417:2007. [1] It is used for alphanumeric or numeric-only barcodes. It can encode all 128 characters of ASCII and, by use of an extension symbol (FNC4), the Latin-1 characters defined in ISO/IEC 8859-1.
Codablock symbologies [16] [17] has been developed as a stacked version of Code 39 and Code 128 barcodes and has some advantages of 2D barcodes. They allow to utilize rectangular space more effectively then 1D barcode and have additional checking characters to ensure the content of the overall message.
The GS1-128 symbology is a subset of the more general Code 128 symbology. By agreement between AIM and GS1, use of the Function 1 Symbol Character (FNC1) in Code 128 symbols in the first symbol character position following the start character has been reserved exclusively for the GS1 system. Code 128 is fully described in ISO/IEC 15417
Although Codabar has not been registered for United States federal trademark status, its hyphenated variant, Code-a-bar, is a registered trademark. [ 2 ] Codabar was designed to be accurately read even when printed on dot matrix printers for multi-part forms such as FedEx airbills and blood bank forms, where variants are still in use as of 2007 ...
A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.
Telepen is a name of the barcode symbology designed to encode all 128 ASCII characters without using shift characters for code switching, and only using two different widths for both bars and spaces. [1] (Unlike Code 128, which uses shifts and four different element widths [2]).
encoding density moderate: barcode length on 11% longer than Interleaved 2 of 5 symbology and on 82% than Code 128; variable length of symbol; can include optional checking character. Four starting bars and spaces in pattern have own weights which encode value of the symbol (except zero). Also, last black bar is used as parity bit to avoid ...
The queen's position is the number of characters to the left of the "Q", giving 2 for the standard SP. The N5N configuration is obtained by omitting the "Q", giving -N-N- for the standard SP, so its N5N code is 5. In general idn = (bishop's code) + 16* (queen's position) + 96* (N5N code) For the standard SP, idn = 6 + 16*2 + 96*5 = 518