An application that processes incoming code (e.g., applets) and ensures that it complies with security policy.
A device which measures the characteristics of a bar code including the contrast, reflectance, modulation, and compliance with the parameters of the bar code symbology.
A device that makes measurements of the bars, spaces, quiet zones and optical characteristics of a bar code field to determine if the code meets the requirements of a specification or standard.
A device that measures a symbol's bars, spaces, quiet zones, and optical characteristics to determine whether it meets the requirements of a specific symbol.