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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 ...
Barcode scanners can be classified into three categories based on their connection to the computer. The older type is the RS-232 barcode scanner. This type requires special programming for transferring the input data to the application program.
Norman Joseph Woodland (September 6, 1921 – December 9, 2012) was an American inventor and engineer, best known as one of the inventors of the barcode, for which he received a patent in October 1952.
George Joseph Laurer III (September 23, 1925 – December 5, 2019) was an American engineer for IBM at Research Triangle Park in North Carolina.He published 20 bulletins, held 28 patents and developed the Universal Product Code (UPC) in the early 1970s.
UPC-A compatible - Used to issue restricted circulation numbers within a geographic region [1] 030–039: UPC-A compatible - United States drugs (see United States National Drug Code) 040–049: UPC-A compatible - Used to issue restricted circulation numbers within a company 050–059: UPC-A compatible - GS1 US reserved for future use 060–099
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]
The Global Trade Item Number (GTIN) is an identifier for trade items, developed by the international organization GS1. [1] Such identifiers are used to look up product information in a database (often by entering the number through a barcode scanner pointed at an actual product) which may belong to a retailer, manufacturer, collector, researcher, or other entity.
Interleaved 2 of 5 (ITF) is a continuous two-width barcode symbology encoding digits. It is used commercially on 135 film, for ITF-14 barcodes, and on cartons of some products, while the products inside are labeled with UPC or EAN. ITF was created by David Allais, who also invented barcodes Code 39, Code 11, Code 93, and Code 49.
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