| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that a conventional tag information processor cannot determine whether or not an RFID tag is moving from the inside of a read area to the outside. <P>SOLUTION: A tag information processor includes: a receiving section 101 for receiving the read information obtained by reading an RFID tag 100 for N times (N is 2 or a larger integer) in a read area; an appearance information acquisition section 102 for acquiring appearance information, which indicates the appearance frequency of the read information for the RFID tag 100 in the N times reading, by using the read information received by the reception section 101; a movement determination section 103 for judging that the RFID tag 100 has moved from the inside of a first area to the outside, when the appearance information acquired by the appearance information acquisition section 102 indicates that the appearance frequency of the RFID tag is lower; and an output section 104 for outputting the determination result of the movement determination section 103. <P>COPYRIGHT: (C)2009,JPO&INPIT |
