A system for providing self-service inventory control comprises at least one RFID antenna mat placed adjacent to a cart with the RFID antenna transmitting and receiving information from a plurality of passive RFID tags within the cart, a connector unit attached to the cart and including a connector a...http://www.google.fr/patents/US8143997?utm_source=gb-gplus-shareBrevet US8143997 - System for self-service checkout inventory control
System for self-service checkout inventory control
