A universal product code consists of a unique set of numbers that identify a product. GSI, the only authorized dealer of UPCs in the United States, indicates that a UPC can be programmed with data -- ...

The first modern barcode was scanned 50 years ago this summer – on a 10-pack of chewing gum in a grocery store in Troy, Ohio. Fifty is ancient for most technologies, but barcodes are still going ...

Some technologies you use every day, but without thinking about them. The bar code is one of these: everything you buy has one of these black and white striped codes on it. We've all seen how they are ...

Q–Practically everything we buy nowadays is marked with a bar code indicating name, price and, I suspect, other information. I have been very curious about how this is handled. Is there some central ...

Barcodes work based on light reflected back to scanner optics: black does not reflect light, while the white (blank) spaces do reflect light. Because characters (alphabetic, numeric, special) are ...

As retailers and consumers alike, we have all encountered those mysterious linear symbols located on the back of packages, products and tags as we browse through a retail store. If you’ve ever ...

Those ubiquitous QR codes may get all the trendy tech love these days, but the humbler Universal Product Code — or barcode, as it’s better known — has some creative life left in it yet. An iPhone app ...

As shoppers pack stores in search of Black Friday deals, a North Carolina born invention keeps the checkout lines moving: the Universal Product Code. Each beep of the scanner can be traced back to ...