发明名称 System and method of detecting movement of an item
摘要 A system for determining movement of an item bearing an RFID label. The system includes an RFID reader for receiving RFID label identification information from an RFID label associated with the item, and a computer for determining a location of the RFID label and the item by determining location information for the RFID reader, for determining a preferred location for the RFID label and the item, and for comparing the determined location with the preferred location to determine that the RFID label and the item have been moved.
申请公布号 US2004000997(A1) 申请公布日期 2004.01.01
申请号 US20020185333 申请日期 2002.06.27
申请人 NCR CORPORATION 发明人 STEVENS HARDEN E.
分类号 G06K17/00;G08B13/24;(IPC1-7):G08B13/14 主分类号 G06K17/00
代理机构 代理人
主权项
地址