Patent ID: 8274367
Filing Date: 2012-09-25
Classification: G05B,Y02P

Abstract:
1. An RFID system provided with a plurality of processes, the system comprising: an antenna unit to detect a electro-magnetic wave transmitted by an RFID tag and read and write to a storage area of the RFID tag, the storage area including a first area to store ID information and a second area to store process identification information and command information corresponding to the process identification information; and a control unit including, wherein the writing unit writes the return value obtained by executing a process corresponding to a first command information extracted by the extraction unit in a first process of the plurality of processes into the storage area of the RFID tag, and the return value is read from the storage area of the RFID tag by the antenna unit in a second process after the first process and is used as a parameter for a process corresponding to second command information extracted by the extraction unit in the second process.