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EAN-139780806354972   EAN-13 barcode 9780806354972
Product NameFamilies Of Warren, Franklin & Granville Counties, North Carolina. Revised. Families: King, Tharrington, Timberlake, Shearin, Winston, Harris, Dowtin, Blackwell, Pope, Wilson
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionPaperback
Amazon.comA Buy on Amazon ~ 0806354976
SKU11968588
Price New55.00 US Dollars    (curriencies)
Price Used56.80 US Dollars    (curriencies)
Width0.96 inches    (convert)
Height11.02 inches    (convert)
Length8.5 inches    (convert)
Weight38.72 ounces    (convert)
AuthorGayle King Blankenship
Page Count478
BindingPaperback
Published07/13/2010
Created11-20-2012 1:50:49am
Modified03-29-2015 12:48:56pm
MD5f33600379e3b196352f7b64ba4866866
SHA256fe7f1c6ee87df67bb29013ee49d1352d2cba874bbba620aa8ee1164444aec9d8
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Query Time0.0049009

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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