| 摘要 |
PURPOSE: A UII(Unique Item Identifier) area extending method of an RFID tag is provided to extend a UII area having a storing space through a user memory area in case of using a KKR code. CONSTITUTION: An RFID tag includes a UII area and a user memory area. An object kind IC(Item Code) and an object unit SC(Serial Code) are stored in the UII area. The user memory area is freely used by the definition of a user. Address information of the user memory area is added to the UII area of the RFID tag. The UII area is expanded.
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