Apparatus for communicating with rfid tag

An apparatus for communicating with a radio frequency identification (RFID) tag comprising:

• a radio communication device configured to conduct radio communication with a plurality of RFID tag circuit elements, the RFID circuit element having an IC circuit part storing information and a tag antenna capable of transmission and reception of the information;
• an information obtaining portion configured to specify identification information of at least one said RFID tag circuit element to be searched and to conduct communication for search through said radio communication device so as to obtain information from said IC circuit part of said RFID tag circuit element thus specified;
• and
• a position detection portion configured to conduct communication for position detection through said radio communication device with the specific RFID tag circuit element whose information was obtained by said information obtaining portion and to detect a position of the specified RFID tag circuit element on the basis of a communication result of the communication for position.