Image
EAN-130000000000529   EAN-13 barcode 0000000000529
UPC-A000000000529   UPC-A barcode 000000000529
UPC-E00005209   UPC-E barcode 00005209
Product NameE.I.-Cuaderno Caligrafia 8 (Cuadricula)
LanguageEnglish
CategoryJewelry / Watches
Amazon.comA Buy on Amazon ~ B00181JGTG
Price New15.65 US Dollars    (curriencies)
BindingDepartments
Created09-17-2014 1:14:59pm
Modified11-16-2016 7:45:01am
MD5d61f938ab8b9ddf3258eb367f8c6cae2
SHA256cbde1d8e733b56a5d55e7ef7f75518307908994a6019d8eda67203d5e1727fdd
Search Googleby EAN or by Title
Query Time0.0049181

Code 128 is a high-density 1D barcode symbology. This barcode set makes use of the entire 128 ASCII characters which include letter, number and symbols.

Code 128 Barcode

As with all barcodes, there are indicators to identify where the barcode starts and stops. These are marked in yellow below. Code 128 also has a check character which has been marked in green. The remainder of the barcode is the data being encoded. The text below the barcode is optional and is for human consumption in the event the barcode can't be scanned or if people also need to know what the code means.

Code 128 Barcode

Each character in the barcode symbol is composed of three bars and three spaces. Each bar or space must range from 1-4 units and the sum of all the width of all bars must work out to an even number. The stop marker is special because it adds an extra bar of 2 units at the very end (4 bars and 3 spaces). There are three different start markers to to identify which code set is being used. To represent all 128 characters, the code sets can be within a single barcode as needed by using control characters 98-101 (depending on the code set).

The check character is calculated by summing the value of each character and multiplying it by its position. The start character is also part of the sum but is added without weight (multiply by 1 just like the first encoded data character) then when you have the sum take the modulo 103 remainder. This gets a little more complex when mixing modes within a single barcode.

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