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2. Universal Product Code - Wikipedia

   en.wikipedia.org/wiki/Universal_Product_Code

   A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...

3. Template:UPC - Wikipedia

   en.wikipedia.org/wiki/Template:UPC

   This template generates one or more links for finding data about a publication or other item via its Universal Product Code (UPC). Up to nine codes are supported. Up to nine codes are supported. Do not use spaces, dashes or other punctuation, just the numerals in the code.

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 with embedded barcodes.

5. GS1 - Wikipedia

   en.wikipedia.org/wiki/GS1

   In 1973, the Universal Product Code (UPC) was selected by this group as the first single standard for unique product identification. In 1974, the Uniform Code Council (UCC) was founded to administer the standard. [1] On 26 June 1974, a pack of Wrigley's chewing gum became the first ever product with a barcode to be scanned in a shop. [1] [3]

6. Human-readable medium and data - Wikipedia

   en.wikipedia.org/wiki/Human-readable_medium_and_data

   For example, Universal Product Code (UPC) barcodes are very difficult to read for humans, but very effective and reliable with the proper equipment, whereas the strings of numerals that commonly accompany the label are the human-readable form of the barcode information. Since any type of data encoding can be parsed by a suitably programmed ...

7. File:12345678901-2-23456 barcode UPC (A).svg - Wikipedia

   en.wikipedia.org/wiki/File:12345678901-2-23456...

   Vector image of a bar code, created with "Corel BARCODE WIZARD" and tweaked in Inkscape and WordPad. The barcode is in UPC(A) format, and shows the digits "8284603268", and is for the ASUS Eee PC 1005HA-EU1XBK 10.1-Inch Black Netbook: Date: 3 September 2006, 04:33: Source: Own work: Author: Erin Silversmith