Researched
RFID Tags
Radio tags that identify goods without line of sight; Mario Cardullo patented the first true ancestor of modern RFID in 1973.
Open in the interactive tree →Unlike a barcode, an RFID tag can be read through packaging and many at once. From the 2000s large retailers used it to track pallets and items through the supply chain.
Prerequisites
- Radio (Wireless Telegraphy)1895
- Integrated Circuit1958-1959