| 摘要 |
<P>PROBLEM TO BE SOLVED: To detect and manage the stock of medicines or the like in terms of weight changes in a contactless manner. <P>SOLUTION: An RFID tag 11 comprises a weight sensor 16 for detecting a change in the weight of a managed object as a change in the quantity of electricity, a processing part 17 for identifying the weight of a medicine from the detection value of the weight sensor 16, and an antenna 18 for transmitting the weight of the medicine identified by the processing part 17. A contactless data carrier system 10 comprises a medicine bottle 15 for supporting the medicine, the RFID tag 11 attached to the medicine bottle 15, an interrogator 12 for exchanging information with the RFID tag 11 by radio, and a management personal computer 13 for exchanging management information with the RFID tag via the interrogator 12. <P>COPYRIGHT: (C)2007,JPO&INPIT |
