发明名称 Device for verifying a location of a radio-frequency identification (RFID) tag on an item
摘要 A device for verifying a location of a radio-frequency identification (RFID) tag on an item. One embodiment of the invention provides a device for verifying the location of an RFID tag on an item including: an item holder; and an RF antenna attached to the item holder, where the item holder includes a readable volume where the RF antenna can read or write to an RFID tag, and where the item holder includes a non-readable volume where the RF antenna cannot read or write to an RFID tag. The present invention also relates to methods of verifying the location of a radio-frequency identification (RFID) tag on an item.
申请公布号 US7295120(B2) 申请公布日期 2007.11.13
申请号 US20040008858 申请日期 2004.12.10
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 WALDNER MICHELE A.;ERICKSON DAVID P.
分类号 G08B13/14 主分类号 G08B13/14
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