| 摘要 |
<P>PROBLEM TO BE SOLVED: To avoid communication errors due to influence from another wireless communication devices with adjacent communication areas as much as possible. <P>SOLUTION: An RFID reader/writer has a table which stores channel pattern data that indicates a wireless channel switching order to search available channels. Channel pattern data specified from the outside is stored in the table, and the RFID reader/writer switches wireless channels according to the channel pattern data switching order stored in the table 41 to search for available channels. <P>COPYRIGHT: (C)2010,JPO&INPIT |
