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  2. Code 128 - Wikipedia

    en.wikipedia.org/wiki/Code_128

    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. 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.

  3. PDF417 - Wikipedia

    en.wikipedia.org/wiki/PDF417

    PDF417 is a stacked linear barcode format used in a variety of applications such as transport, identification cards, and inventory management. "PDF" stands for Portable Data File. The "417" signifies that each pattern in the code consists of 4 bars and spaces in a pattern that is 17 units (modules) long.

  4. Barcode library - Wikipedia

    en.wikipedia.org/wiki/Barcode_library

    Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications. Barcode library presents sets of subroutines or objects which allow to create barcode images and put them on surfaces or recognize machine-encoded text / data from scanned or captured by camera images ...

  5. Data Matrix - Wikipedia

    en.wikipedia.org/wiki/Data_Matrix

    A Data Matrix is a two-dimensional code consisting of black and white "cells" or dots arranged in either a square or rectangular pattern, also known as a matrix. The information to be encoded can be text or numeric data. Usual data size is from a few bytes up to 1556 bytes. The length of the encoded data depends on the number of cells in the ...

  6. TCPDF - Wikipedia

    en.wikipedia.org/wiki/TCPDF

    TCPDF is a free and open source software PHP class for generating PDF documents. TCPDF is the only PHP-based library that includes complete support for UTF-8 Unicode and right-to-left languages, including the bidirectional algorithm. [2] In 2009 TCPDF was one of the most active of over 200,000 projects hosted on SourceForge (best ranked 6th on ...

  7. Codablock - Wikipedia

    en.wikipedia.org/wiki/Codablock

    Codablock. Codablock is a family of stacked 1D barcodes (Codablock A,. [1] Codablock F, [2] Codablock 256) which was invented in Identcode Systeme GmbH in Germany in 1989 [3] [4] by Heinrich Oehlmann. Codablock barcodes are based on stacked Code 39 and Code 128 symbologies and have some advantages of 2D barcodes.

  8. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    Barcode. A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called ...

  9. barcode on boarding pass - Air Travel Forum - Tripadvisor

    www.tripadvisor.com/ShowTopic-g1-i10702-k...

    135 reviews. 82 helpful votes. 2. Re: barcode on boarding pass. 5 years ago. Save. There’s different barcode fonts. The barcodes on boarding passes are 2D whereas the ones in stores for example are 1D. Most likely whatever app you’re using is not set up to read the airline boarding pass.

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