EAN-130841887022248   EAN-13 barcode 0841887022248
UPC-A841887022248   UPC-A barcode 841887022248
Product NameArt: 21: Art in the Twenty-First Century - Season 7 [DVD]
Created03-01-2021 12:16:16am
Modified04-08-2021 12:15:25pm
MD5d263f401a42694670a55b1f7d9df8039
SHA256da0a7f8a0740332d1b5a353f34bd7df79b4ef357046ced2282360c58e92b2ce6
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Query Time0.0046692

Article of interest

A Data Matrix code is a two-dimensional barcode make up of blocks of black and white modules put together to make either a square or rectangular pattern. The information to be encoded can be text or raw data.

Normally, data size is from a few bytes up to 1,556 bytes. The length of the data depends on the symbol dimension used. To make sure the data can be read even when the pattern is slightly damaged, error correction codes are added which increase symbol strength. A Data Matrix symbol can store up to 2,335 alphanumeric characters. Here is a sample you can scan.

Barcode Data Matrix

Data Matrix symbols are rectangular in shape and usually square. As more data is added, modules are put together to allow for the data and error correction. Each module can be identified by the "L" shaped black line that runs down the left and across the bottom of each module. In the sample shown above, there are four modules. These "L" shaped sections are known as the "finder pattern". The top and right border of each module are made up of alternating light and dark blocks. Light blocks represent 0 (zero) and the dark blocks represent 1 (one). These are known as the "timing pattern". All of the blocks in the middle of each module make up the data and check codes. The entire pattern can range in size from 8x8 to 144x144 in size.

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