ISO/IEC. Second edition. Information technology — Automatic identification and data capture techniques — EAN/UPC bar code symbology. ISO/IEC Standard | Information technology — Automatic identification and data capture techniques — Bar code symbology. Description. This International Standard specifies the requirements for the EAN/ UPC symbology including data character encodation, symbol formats.
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Most barcode symbologies print bars and spaces in only two widths, but with UPC, four different widths are used. Accept and continue Learn more about the cookies we use and how to change your settings. They are made up of three modules as follows: Download a free ifc trial edition of BarTender barcode software now.
The start and stop characters are identical to each other. Because UPC is a numeric-only code, Interleaved 2 of 5 would be the preferred substitute, because it uses about half the space that Code 39 uses. Density With four available printing widths for the bars and spaces instead of just two, UPC-A takes about half the number of bars and spaces relative to Interleaved 2 of 5 to represent each character. However, the use of the wider bars and spaces nullifies this space savings.
Two-digit and five-digit add-on symbols supplemental barcodes are available for adding to the right of the UPC-A symbol.
The guard bars are the start, stop, and center characters in a UPC-A symbol. The first generation of products that were labeled with UPC-A almost exclusively used a zero as the number system digit.
These barcodes are usually produced photographically or with a laser printer. A human readable interpretation is always included. Click to learn more.
The character set and density of the add-on symbols are the same as those of UPC-A. However, as more and more products use UPC barcodes, number system digits other than zero are becoming more prevalent. The bars for these characters are longer than the bars that encode data, and they are sometimes referred to as security bars.
To specify a UPC-A barcode that has a number system digit other than zero, you must iao 11 digits in the character string. Barcode Guide All Files. If you have a barcode reader that has automatic discrimination, we recommend using either Interleaved 2 of 5 or Code 39 for your in-house printed barcodes. Character sets, Data representation, Automatic, Symbols, Optical character recognition, Algorithms, Coded representation, Character strings, Coded character sets, Bar iwo, Data processing, Graphic symbols, Coding data conversionDimensions, Information exchange.
Automatic identification and data capture techniques. Because many purchased goods are conveniently prelabeled with UPC barcodes, you will want a barcode reader that can 1540 these symbologies.
AENOR ISO /IEC
Interleaved 2 of 5 codes pack data more iev than UPC-A does. Isso the smart route to manage medical device compliance. With four available printing widths for the bars and spaces instead of just two, UPC-A takes about half the number of bars and spaces relative to Interleaved 2 of 5 to represent each character.
Character Set This symbology supports all numeric digits Add-on Symbols Two-digit and five-digit add-on symbols supplemental barcodes are available for adding to the right of the UPC-A symbol. You may experience issues viewing this site in Internet Explorer 9, 10 or Automatische Identifikation und Datenerfassungsverfahren.
Search all products by. Like the check digit, it is often stripped off by the barcode reader and therefore does not enter your computer or cash register. Worldwide Standards We can source any standard from anywhere in the world.
They are made up of three modules as follows:. Universal Product Code Isoo was initially developed in the s for use by the US grocery industry, and its use has spread into other retail marketplaces in the US 51420 internationally.
Find Similar Items This product falls into the following categories. Although UPC barcodes come in a number of different message lengths, these lengths are not fully variable as they are with other barcode symbologies. The start characters for the two-digit and five-digit add-on symbols are made up of three modules as follows: The start characters for the two-digit and five-digit add-on symbols are made up of three modules as follows:.
You may find similar items within these categories by selecting from the choices below:. Leading quiet zone Guard pattern start character Six symbol characters Center guard pattern center character Six symbol characters, including check digit Guard pattern stop character Trailing quiet zone UPC-A encodes 11 digits of numeric message data together with a check digit, for a total of 12 digits.