| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To facilitate reading a tag from only a specified area, when required to be limit to the reading of the RFID tag within the specified area. <P>SOLUTION: An apparatus for reading the RFID tag responding by a signal of frequency different in a frequency of a reading signal includes a disturbance wave generating means for generating a disturbance wave signal of making the RFID tag incapable of reading and of disturbing a response wave of the RFID tag, a switching control means for switching the generation of the output reading signal or disturbance wave signal in the disturbance wave generating means, and a disturbance wave output regulating means for regulating an output signal level of the disturbance wave signal in the disturbance wave generating means. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
