Patent ID: 8253537
Filing Date: 2012-08-28
Classification: G06K

Abstract:
1. An apparatus for communicating with a radio frequency identification (RFID) tag comprising: an apparatus antenna configured to practice radio communication with an RFID tag circuit element for article provided on an article as an inventory target, said RFID tag circuit element having an IC circuit part configured to store information and a tag antenna capable of information transmission and reception; a tag identification information obtainment portion configured to obtain tag identification information of said RFID tag circuit element for article via radio communication using said apparatus antenna; a storage device configured, when said tag identification information is obtained by said tag identification information obtainment portion, to store said tag identification information the tag identification information obtained; an article number information obtainment portion configured to obtain area identification information of each storage area of a plurality of storage areas storing said articles and a number of the articles corresponding to said area identification information in association with each other from a database; a calculating portion configured to calculate a number of said RFID tag circuit elements for article on the basis of a remaining memory capacity of said storage device, the tag identification information of the RFID tag circuit elements capable of newly stored; and a determining portion configured to compare said number of articles obtained by said article number information obtainment portion with said number of said RFID tag circuit elements for article calculated by said calculating portion and to determine said storage area with a corresponding number of said articles not more than the number of said RFID tag circuit elements for article as an inventory-manageable area.