|Product Name||Sun, Moon And Stars, Level 2: Internet Referenced (Beginners Nature - New Format)|
|Category||Book / Magazine / Publication|
|Amazon.com||Buy on Amazon ~ 0794513999|
|Price New||2.94 US Dollars (curriencies)|
|Price Used||1.07 US Dollars (curriencies)|
|Width||5.75 inches (convert)|
|Height||8 inches (convert)|
|Length||0.25 inches (convert)|
|Weight||6.4 ounces (convert)|
|Long Description||This exploration of the sun, moon and stars is part of a series introducing children to the wonder of the world around them. It has two reading levels, with a simple sentence on each page for beginners, accompanied by more complex information which can be read as the child's confidence grows.|
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Article of interest
This symbology was developed by the Plessey Company in England. A variation of Plessey was used by the ADS Company and is known as Anker Code. Anker Code was used in European point of sale systems prior to the advent of EAN. Another variation is known as the MSI Code.
Plessey offers a full range of HEX digits 0-F. The bit pattern of the bits sets the high order bit at the right which is reverse of how we normally think of bits these days. (MSI puts the high order bit on the left).
The start bar is always "D" (1101) and the terminator can be two binary 1's (11) if the barcode is to be read from left to right only. If the barcode can be read in either direction the terminator will be a single binary 1 (1) and is followed by a reverse of the start character or the "B" (1011).
|Digit||Strip Bits||Binary Value|
|STOP < >||110110100110110||11011|
You can use the stripe bits can be used to generate the graphic pattern. If you want to see this trick, check out the MSI Code page. Plessey uses a cyclic (or polynomial) check code technique which is applied to the reading of barcode labels and transmission of data. This technique is a fair compromise between the extra redundancy and the error detecting power. Roughly one undetected error per hundred million 6 digit transactions.
If you would like to generate your own Plessey Barcode, please visit our free barcode generator page. Make your code, save it and use it how ever you like.