The Perfect Universal Verifier

The Perfect Universal Verifier First let’s define terms:  a “universal” verifier is one that tests both 1D or linear barcodes and 2D or matrix symbols. UPC, Code 128 and ITF14 are examples of 1D barcodes; QR Code and Data Matrix Code are examples of 2D symbols.  Having been in the barcode business—and the barcode quality…

Anatomy of the Perfect Barcode

My mother always admonished my siblings and me that people would listen and learn more from a positive message than from a negative one. I hope she will forgive me for taking several years before writing this article about the perfect barcode. Horrible barcodes are so much more—interesting. But a truly perfect barcode is also…