A method and apparatus for tracking items automatically is described. A passive RFID (Radio Frequency IDentification) tag is used with a material tracking system capable of real-time pinpoint location and identification of thousands of items in production and storage areas. Passive RFID tags are attached...http://www.google.de/patents/US8125316?utm_source=gb-gplus-sharePatent US8125316 - RFID material tracking method and apparatus
