Barcode scanners are so commonplace in grocery stores that it's hard to envision a time when they weren't the norm. This supermarket chain was behind the times.

When you're talking about data collection, two technologies come to mind: bar code scanning and RFID (radio frequency identification). The former has been a staple in data collection for more than 30 ...

Wedge barcode scanners and serial barcode scanners both connect to a PC to scan barcodes into the system. They do not, however, work the same way and each has advantages and disadvantages. This ...

Datalogic claims that a new range of ultra-high-resolution 2D barcode readers are the only ones of their type that can scan conveyor belts up to 1m wide with a single reader. It says that the Matrix ...

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Unlike “linear imagers” or scanners, digital or area imagers can read and process data from 1D and 2D bar codes. A diffuse light source boosts image-capture reliability. Bar codes, those ubiquitous ...

You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read barcodes. Your iPhone can automatically scan QR codes using the built-in camera ...

LASER stands for Light Amplification by Stimulated Emission of Radiation, and lasers are used for a wide range of purposes. The most common places where lasers are encountered are optical mice, ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, ...