There are many ways in which serial numbers are assigned to tags. For read-only tags, a chip manufacturer burns serial numbers into the tags that it produces. For proprietary read-write tags, a user ...

You’ve been hearing a lot about RFID recently, and with good reason. The promise of RFID is essentially the creation of a radio-based bar code, meaning that we can use radio, and not light from a ...

In 1974, two Drexel University students found that an oscillating mirror laser could scan and read barcodes, their solution for more efficient grocery store management. Quick-response codes, or QR ...