bar code

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bar code

Commerce a machine-readable arrangement of numbers and parallel lines of different widths printed on a package, which can be electronically scanned at a checkout to register the price of the goods and to activate computer stock-checking and reordering

bar code

[′bär ‚kōd]
(computer science)
The representation of alphanumeric characters by series of adjacent stripes of various widths, for example, the universal product code.

bar code

(convention)
A printed horizontal strip of vertical bars of varying widths, groups of which represent decimal digits and are used for identifying commercial products or parts. Bar codes are read by a bar code reader and the code interpreted either through software or a hardware decoder.

All products sold in open trade are numbered and bar-coded to a worldwide standard, which was introduced in the US in 1973 and to the rest of the world in 1977. The Uniform Code Council in the US, along with the international article numbering authority, EAN International, allocate blocks of unique 12 or 13-digit numbers to member companies through a national numbering authority. In Britain this is the Article Number Association. Most companies are allocated 100,000 numbers that they can use to identify any of their products, services or locations.

Each code typically contains a leading "quiet" zone, start character, data character, optional check digit, stop character and a trailing quiet zone. The check digit is used to verify that the number has been scanned correctly. The quiet zone could be white, red or yellow if viewed by a red scanner. Bar code readers usually use visible red light with a wavelength between 632.8 and 680 nanometres.

References in periodicals archive ?
In future we will see more similar legislation, as a glance at other markets illustrates: Turkey's ITS scheme (already in force) and the proposed pan-European EFPIA scheme both combine a Datamatrix code with four lines of human-readable text.
The DataMatrix bar code links a specific instrument to a data file in MAAT that contains information about that particular item, which includes, but is not limited to, item location, item identification (NSN), serial number, nomenclature, part number, and manufacturer.
Featuring a highly robust, industrial design and up to 600m ribbon capacity for extended use with minimal downtime, Allen's XL-Series provides reliable and accurate printing of barcodes, sell-by dates, batch numbers, prices, source codes and other text and graphics, including Julian date and 2D Datamatrix codes, at speeds up to 450 prints per minute and 5mm print height.
High quality 2D Datamatrix codes can be printed on the body and on the sides of a carton.
Avery Dennison suggests the first step to combat counterfeiting in this industry includes a Datamatrix system, which is designed to ensure the quality and integrity of medicines with customer safety remaining a priority consideration.
The Datamatrix Cryo Rack allows simultaneous scanning of up to 48 Cryo.
0 SDK for Linux includes support for over 190 languages for OCR including those with Latin, Cyrillic, Chinese, Japanese, Korean, Thai, Vietnamese, and Hebrew characters together with support for the recognition of over 15 1D barcode types and popular 2D barcodes (including PDF 417, Aztec, DataMatrix and QR Code), detecting them at any orientation on the page throughout the entire document.
As required by the Department of Defense, automotive, aerospace, and other global industries, the TechnoMatrix option is available to create and mark DataMatrix codes on workpieces for part traceability and tracking.
DG and CEO Giovanni Bisignani said the standard, which will use both the Aztec and Datamatrix codes popular in Europe and North America and the QR code used in Japan, "is an important step in getting rid of paper that bogs down processes and drives up costs.
The new tenants, all of whom took between 2,500 and 4,350 square feet, include the Westchester County Medical Society; HUB International Northeast, a commercial insurance brokerage; Datamatrix Technologies, Inc.
This exclusive scanning device can read any kind of coding such as OMR, 1D and 2D Datamatrix Barcode and uniquely, the code can be printed anywhere on the document, providing full flexibility to fulfill any layout requirement.