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EAN-139780020255109   EAN-13 barcode 9780020255109
Product NameThe Crock Of Gold
LanguageEnglish
CategoryBook / Magazine / Publication
Amazon.comA Buy on Amazon ~ 0020255101
SKU1200186463
Price New66.38 US Dollars    (curriencies)
Price Used1.69 US Dollars    (curriencies)
AuthorJames Stephens
BindingPaperback
Published11/01/1986
Long DescriptionThis book is a facsimile reprint and may contain imperfections such as marks, notations, marginalia and flawed pages.
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MD543597819a6c9d24dd6098d557131e600
SHA2561a64b1574f730770e3f15206edf9173151747f0ccee9217a0e7cac2051d6ef94
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Data Matrix Barcodes

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.