This branded him as an early patent troll ... The grocery checkout barcode scanner hasn’t changed much over the years. It’s mounted in a slot and items are passed over it.

Playing store just got really, really fun because you can now build your own LEGO barcode scanner. As you can see after the break, it works well and it’s fast like a real barcode scanner.

barcode scanner available on the market. The DuraScan product family is recognized for its reliable iOS compatibility, durable yet portable design, and versatile scanning across industries.