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 ...

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 ...

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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, ...

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, ...