EAN-130000000179744   EAN-13 barcode 0000000179744
UPC-A000000179744   UPC-A barcode 000000179744
Product NameTrader Joe's Marinated Mushrooms With Garlic
LanguageEnglish
CategoryFood
Short Description16 oz (1 lb) 454g
Created05-22-2010
Modified06-29-2020 4:02:33am
MD52db0327f5187ab3faa7ed1d6f5585f30
SHA2565454fa463b8bdb8f505a2e8653becbfdc31e1ea400de5e8a26ccbc7d14ce8777
Search Googleby EAN or by Title
Query Time0.0051432

Article of interest

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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