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The various forms and functions of barcodes – from retail to the military (Part Two)

December 20, 2012

In yesterday's post we explored some of the uses and workings of retail barcodes - today we explore some more linear and 2-dimensional barcodes: Code 3 of 9, Code 128, ISBN & ISSN, DataBar, Interleaved 2 of 5, Data Matrix & QR Codes, Aztec Code, PDF417, Postnet and MaxiCode as shown in the picture alongside... Read Part One here.

Let’s have a look at the varied and sometimes amazing ways that barcodes have been used to track everything from post and parts in warehouses, to medicines and prescriptions...

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The various forms and functions of barcodes – from retail to the military (Part One)

December 19, 2012

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From the US Department of Defense, to libraries and blood banks, the postal service and even scientists tracking the movements of bees – barcodes are used in a wide variety of applications and across many new formats. Today we take a look at how and why they work, and investigate some of the newer barcodes formats like datamatrix and codabar.

Essentially those black lines which you see on a barcode are a special font which can be read by a scanner, and decoded to be understood by a computer system. The width of the lines and the spaces between represent numeric values which the barcode scanner picks up – the number printed below the barcode (or ‘human readable’ code) is just for human...

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The various forms and functions of barcodes – from retail to the military (Part Two)

The various forms and functions of barcodes – from retail to the military (Part One)

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SA Barcodes Team

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