It’s hard to believe the bar code is turning 50. Anyone who was a cashier in the ’80s knows how life-changing it was to scan the product instead of typing in the product category and price. Designed ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

Few objects in the world are more immediately recognizable than the bar code. After all, bar codes are all around us. They’re on the books we buy and the packages that land on our doorsteps. More than ...

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 ...

If you plan to run a very small store, sometimes called a "mom and pop" shop, you can probably hand-enter pricing information when ringing up a customer's order. For a larger scale operation, however, ...

What if every store had a bar-code sticker on its window so that you could pull out your iPhone, wave it in front of the bar code and get all sorts of information about that business—the telephone ...

The BCL500i Bar Code Reader for packaging conveyors and pallet wrappers also constructs fragmented codes. The device does high-speed scanning, and the lens adjusts from 800 to 1,200 scans/sec.