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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 ...
The national drug code is a unique 10 or 11 digit, 3-segment numeric identifier assigned to each medication listed under Section 510 of the US Federal Food, Drug, and Cosmetic Act. The segments identify the labeler or vendor, product (within the scope of the labeler), and trade package (of this product). The first segment, the labeler code, is ...
The final digit of a Universal Product Code, International Article Number, Global Location Number or Global Trade Item Number is a check digit computed as follows: [3] [4]. Add the digits in the odd-numbered positions from the left (first, third, fifth, etc.—not including the check digit) together and multiply by three.
Price look-up codes, commonly called PLU codes, PLU numbers, PLUs, produce codes, or produce labels, are a system of numbers that uniquely identify bulk produce sold in grocery stores and supermarkets. The codes have been in use since 1990, and over 1400 have been assigned. [ 1] The codes are administered by the International Federation for ...
The Electronic Product Code ( EPC) is designed as a universal identifier (using an idiosyncratic numerical code for each different commodity [ 1]) that provides a unique identity for every physical object anywhere in the world, for all time. The EPC structure is defined in the EPCglobal Tag Data Standard, [ 2] which is a freely available standard.
[6] [7] In June 1974, Marsh supermarket in Troy, Ohio used a scanner made by Photographic Sciences Corporation to scan the Universal Product Code (UPC) barcode on a pack of Wrigley's chewing gum. [8] [5] QR codes, a specific type of 2D barcode, have recently [when?] become very popular due to the growth in smartphone ownership. [9]
The 7th and 8th digit identify the exact issue. The 9th digit is a checksum (some clearing bodies ignore or truncate the last digit). The last three characters of the issuer code can be letters, in order to provide more room for expansion. Issuer numbers 990 to 999 and 99A to 99Z in each group of 1,000 numbers are reserved for internal use.
GS1 is a not-for-profit, international organization developing and maintaining its own standards for barcodes and the corresponding issue company prefixes. The best known of these standards is the barcode, a symbol printed on products that can be scanned electronically. GS1 has 118 local member organizations and over 2 million user companies.