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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A human readable interpretation is always included.
Symbol Structure The symbol comprises the following elements: The first digit of a UPC-A code is called the number system digit. The guard bars are the start, stop, and center characters in a UPC-A symbol.
The start characters for the two-digit and five-digit add-on symbols are made up of three modules as follows: Please download Chrome or Firefox or view our browser tips. Interleaved 2 of 5 codes pack data more densely than UPC-A does.
The ifc set and density of the add-on symbols are the same as those of UPC-A. Character sets, Data representation, Automatic, Symbols, Optical character recognition, Algorithms, Coded representation, Character strings, Coded character sets, Bar codes, Data processing, Graphic symbols, Coding data conversionDimensions, Information exchange. Because many purchased goods are conveniently prelabeled with UPC barcodes, you will want a barcode reader that can read these symbologies.
Learn more about the cookies we use and how to change your settings. Leading quiet zone Guard pattern start character Six symbol characters Center guard pattern center character Six iecc 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.
Two-digit and five-digit add-on symbols supplemental barcodes are available for adding to the right of the UPC-A symbol. Take the smart route to manage medical device compliance.
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You may experience issues viewing this site in Internet Explorer 9, 10 or They are made up of three modules as follows:. BarTender is label design softwarelabel printing softwarebarcode softwareRFID softwarean alternative to embedded printer codeand much more.
Worldwide Standards We can source any standard from anywhere in the world. The start and stop characters are identical to each other. These barcodes are usually produced photographically or with a laser printer. Combining UPC with Other Symbologies Because many purchased goods are conveniently prelabeled with UPC barcodes, you will want a barcode reader that can read these symbologies.
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. Find Similar Items This product falls into the following categories. Your basket is empty. These iex symbols are usually used to add a date or a manufacturer’s suggested retail price MSRP to periodicals, books, and weighed products, such as food.
However, as more and more products use UPC barcodes, number system digits other than zero are becoming ios prevalent.
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Automatic identification and data capture techniques. Accept and continue Learn more about the cookies we use and how to change your settings. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. The bars for these characters are longer than the bars that encode data, and they are sometimes referred to as security bars. 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.
Like the check digit, it is often stripped off by the barcode reader and therefore does not enter your computer or cash register. The start characters for the two-digit and five-digit add-on symbols are made up of three modules as follows:. Although UPC barcodes come in a number of different message lengths, these lengths are not fully variable as they are with other barcode symbologies. UPC-A encodes 11 digits of numeric message data together with a check is, for a total of 12 digits.
Click to learn more. If you have a barcode reader that 155420 automatic discrimination, we recommend using either Interleaved 2 of 5 or Code 39 for your in-house printed barcodes.
They are made up of three modules as follows: The first generation of products that were labeled with UPC-A almost exclusively used a zero as the number system digit.
Character Set This symbology supports all numeric digits 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. 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.
However, since most barcode readers can automatically discriminate between the various barcode symbologies, it is very easy to combine different barcode symbologies in a given application environment.
Automatische Identifikation und Datenerfassungsverfahren. Search all products by. Universal Product Code UPC 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 and internationally.
To specify a UPC-A barcode that has a number system digit other than zero, you must specify 11 digits in the character string. You may find similar items within these categories by selecting from the choices below:. This brings the effective length of a UPC-A barcode message up to eleven digits. However, the use of the wider bars and spaces nullifies this space savings. Most barcode symbologies print bars and spaces in only two widths, but with UPC, four different widths are used.