Glossario lettara V

Glossario dei termini AUTO-ID

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verification	The technical process by which a bar code symbol is measured to determine whether it meets the application specification for thet symbol. Verification is usaully accomplished with equipment which measures the elements with a miscroscope and establishes contrast by a densitometer.
verifier	A device used to measure and analyse bar width dimensions, quiet zones, reflectance, and other print quality attributes of a bar code symbol against a standard to which the bar code symbol should conform.
void	An area within a bar of a bar code symbol, or within an OCR character, which is of high reflectance relative to the dark reflectance criteria, i.e. the bar or character is poorly inked. Large voids might result in a non-read or misread. Compare spot.