| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an apparatus, system and method for communication with which communication is normally performed without being affected by noise even in an environment in which the noise is continuously mixed. <P>SOLUTION: When radio communication is performed between a radio communication part 40 and a radio communication tag 70, the radio communication tag 70 transmits modulated waves, carrier waves with a plurality of different frequencies (a first frequency, a second frequency) modulated by a signal indicating the same information to the radio communication part 40, the radio communication part 40 receives a plurality of modulated waves from the radio communication tag 70 and performs processing using information in which no communication error is generated among pieces of information indicated by the received modulated waves. <P>COPYRIGHT: (C)2007,JPO&INPIT |
