| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a simple and inexpensive access control system controlling surely actual entry and exit, using only an RFID tag system. <P>SOLUTION: This access control system is provided with antennas for forming respectively areas to receive a radio wave from an RFID tag, inside and outside an entrance gate, an RFID reader for receiving identification information from the RFID tag via each antenna, a control part for specifying the area having received the radio wave including the received identification information to generate positional information, when receiving the identification information, and an access control device for controlling the entry and exit, based on the received identification information and the generated positional information. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
