Image
EAN-139780746077702   EAN-13 barcode 9780746077702
Product NameUnder the Ground (See Inside) (See Inside)
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionHardcover
Amazon.comA Buy on Amazon ~ 074607770X
SKUMON0000307651
Price New9.36 US Dollars    (curriencies)
Price Used1.25 US Dollars    (curriencies)
Width0.71 inches    (convert)
Height10.87 inches    (convert)
Length8.5 inches    (convert)
Weight17.6 ounces    (convert)
AuthorAlex Frith
Page Count16
BindingHardcover
Published09/09/2017
Long DescriptionUnder the Ground (See Inside) (See Inside) [Hardcover] [Jan 01, 2007] Alex Frith
Similar Items9780794530051: See Inside Ships (See Inside Board Books)
9780794515492: See Inside Science
Created11-18-2012 7:17:25am
Modified09-09-2017 7:21:09pm
MD5cf4fdb75c498b89e2ebefa01deb94b5f
SHA256c74b88ed05f379c4ab0927f91f278311ead046904bce22c289c2329d4929c2eb
Search Googleby EAN or by Title
Query Time0.0091951

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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