Verifier silence can be even more confounding than decodability and modulation. Relating these rather exotic parameters to the print process and using them to decide what to do is sometimes [...]
“Validation is to spelling what verification is to penmanship.” Think about it. Spelling is making sure the word is really a word. After all, a misspelled word may not be recognizable as a word [...]
Modulation and decodability are easy to understand if you are familiar with the Scan Reflectance Profile or SRP. This is discussed in previous articles in this blog. The Scan Reflectance Profile [...]
Minimum Reflectance and Symbol Contrast are tested by taking reflectance readings from the symbol—specifically the maximum reflectance value and the minimum reflectance value, and applying a [...]
The ANSI specification for the quality—and therefore the performance—of linear barcodes tests and grades 9 parameters. Whether or not you believe that ISO or ANSI are legitimate and meaningful as [...]
We’ve all heard the sorry stories about some company that got itself into trouble with some big retailer because of a problem with their barcodes. What are these barcode problems and how do they [...]
