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A Data Matrix is a two-dimensional barcode consisting of black and white “cells” or modules . ISO/IEC —Data Matrix bar code symbology specification; ISO/IEC —2-D Print quality standard; ISO/IEC — Symbol. ISO/IEC. Second edition. Information technology — Automatic identification and data capture techniques — Data Matrix bar code symbology. ISO/IEC INFORMATION TECHNOLOGY – AUTOMATIC IDENTIFICATION AND DATA CAPTURETECHNIQUES – DATA MATRIX BAR CODE.

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A Data Matrix is a two-dimensional barcode consisting of black and white “cells” or modules arranged iwo either a square or rectangular pattern, also known as a matrix. All symbols utilizing the ECC through error correction can be recognized by the upper-right corner module being the inverse of the background color. Views Read Edit View history. For each product run the unique code is supplied to the printer.

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Manufacturers of bar code equipment and users of the technology require publicly available standard symbology specifications to which they can refer when developing equipment and application standards.

In order to make that less likely, the length and data bytes are obscured by adding a pseudorandom value R nwhere n is the position in the byte stream.

Data Matrix

The symbol consists of data regions which contain modules set out in a regular array. Check out our FAQs. For other uses, see Data matrix disambiguation. Cognex Corporationa large manufacturer of 2D barcode devices, filed a declaratory judgment isi on 13 March after receiving information that Acacia had contacted its customers demanding licensing fees.


February Learn how and when to remove this template message. Barcode reader Barcode printer. Monday to Friday – Within these borders are rows and columns of cells encoding information. Control codes are provided to switch between modes, as shown below.

Data Matrix – Wikipedia

Base mode data starts with a length indicator, followed by a number of data bytes. The only difference is that they reverse upper-and lower-case letters. This article needs additional citations for verification. Data Matrix codes, along with other open-source codes such as 1D barcodes can also be read with mobile phones by downloading code specific mobile applications. Data Matrix codes are usually 16022 using specialist camera equipment and software.

Prior to the expiration of U. Although the majority of these mobile readers are capable of reading Data Matrix, [ citation needed ] few extend the decoding to enable mobile access and interaction, whereupon the codes can be used securely and across media; for example, in track and trace, anti-counterfeit, e. District Court in Minnesota ruled in favor of Cognex.

Isl code interpretations are shown in the table below. C40 is primarily upper-case, with lower-case letters in Set 3. Error correction codes are often used to increase reliability: The C40, Text and X12 modes are potentially more compact for storing text messages. Graphical symbols for use on information technology and telecommunications technical drawings and in relevant technical product documentation. As isp data is encoded in the symbol, the number of cells rows and columns increases.

Printed Circuit Design and Manufacture.

Data Matrix symbols are rectangular, usually square in shape and composed of square “cells” which represent bits. The modules may be round or square- no specific shape is defined in the standard. Each data region is delimited by a finder pattern, and this is surrounded on all four sides by a quiet zone border margin. Therefore this version remains current. The C40 and Text modes have four separate sets. For example, dot-peened cells are generally round.


Depending on the ifc used, a “light” cell represents a 0 and a “dark” cell is a 1, or vice versa. isi

It specifies the Data Matrix symbology characteristics, data character encodation, symbol formats, dimensions and print quality requirements, error correction rules, decoding algorithm, and user-selectable application parameters. Unsourced material may be challenged and removed.

Fidelity of the marking and reading systems are the only limitation. As the patent owner, Acacia allegedly contacted Data Matrix users demanding license fees related to the patent. Proof sent to secretariat or FDIS ballot initiated: The finder pattern is used to locate and orient the symbol while the timing pattern provides a count of the number of rows and columns in the symbol.

From Wikipedia, the free encyclopedia. On 19 May Judge Joan N. Use dmy dates from July Articles needing additional references from February All articles needing additional references All articles with unsourced statements Articles with unsourced statements from October Wikipedia articles needing clarification from October Articles with unsourced statements from December Commons category link is on Wikidata.