Radio frequency identification systems applications

摘要

The present invention relates to a method of identifying a specific item having an FRID element associated therewith from among a larger group of items also having RFID elements associated therewith, comprising the steps of (a) providing an RFID interrogation device with information identifying the specific item; (b) interrogating the larger group of items; and (c) providing a signal when the RFID device interrogates the RPID tag associated with the specific item; wherein the information provided in step (a) is information identifying a class of items, and step (c) comprises providing a signal when the RFID device interrogates an RFID tag associated with a specific item within that class; and wherein the class of items are items belonging in the same section of the library.