US Patent 8077041 Real-time automatic RFID inventory control system

The present disclosure describes a system for tracking store-items placed in a storage space. The system includes a plurality of wireless RFID readers distributed within the storage space such that at least one store-item, having an RFID tag attached, is within an interrogation range of at least one of the wireless RFID reader. The system further includes a monitoring server operative to communicate wirelessly with the a plurality of wireless RFID readers to obtain information collected by the plurality of wireless RFID readers from the RFID tag attached to the at least one store-item.