| 摘要 |
<P>PROBLEM TO BE SOLVED: To transmit and receive a large amount of data, and to reduce power consumption. <P>SOLUTION: An ID tag 1 comprises an RFID circuit 2 having an antenna 21 for receiving an ID of a mobile terminal 6, a memory 22 for storing the ID, and an ID comparison circuit 23; a battery 4; a switch 5 for turning on-off based on the ID comparison results; and a data circuit 3 provided with a large-capacity memory 32 for storing data of the mobile terminal, a radio transmitting and receiving circuit 33 for transmitting and receiving data with the mobile terminal 6, and a CPU 31 for storing the received data and transmitting the stored data and turning off the switch 5 when completing the processing. The mobile terminal 6 has an RFID reader/writer 63 for transmitting the ID of the mobile terminal 6 to the RFID circuit 2, a radio transmitting and receiving circuit 65 for performing data transmission and reception between the data circuit 3, a memory 62 for storing data, and a CPU 61 for transmitting the stored data and storing the received data. <P>COPYRIGHT: (C)2007,JPO&INPIT |
