If contemporary technology has a grand theme, it is that eventually digital will replace analog, and solid state will replace mechanical.

Misperceptions about 2D imagers are changing fast, which is why 2D imagers are the fastest-growing category of bar code readers. Only a few years ago 2D imagers were (wrongly) considered a niche technology mostly used for reading 2D bar codes. Now they are becoming the technology of choice for most bar code applications, and lasers are on the way to becoming a niche technology. The reasons: 2D imagers are as fast or faster than laser scanners, can read all the same bar codes as lasers plus 2D symbols that lasers can’t, and can do much more.

The high volume and frequency of orders placed over the Internet combined with a multitude of available products from retailers make automated scanning at logistics centers more important than ever. This paper will analyze the current state of barcode scanning applications and investigate potential for improvement, focusing on the most common applications performed by distribution centers today.

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