发明名称 Electronic locating methods
摘要 Methods and apparatus are disclosed for location of objects to facilitate retrieval, filing, security, inventory stock-keeping and the like. The methods and apparatus employ a tag element associated with each object-to-be-located, and interrogation system for searching one or more spatial regions for such tagged items, as well as mechanisms for identifying objects within the interrogated region.
申请公布号 US6388569(B1) 申请公布日期 2002.05.14
申请号 US20000562247 申请日期 2000.05.02
申请人 ENGELLENNER THOMAS J. 发明人 ENGELLENNER THOMAS J.
分类号 G06K17/00;G06Q10/00;G08B13/14;G08B13/24;(IPC1-7):G08B26/00 主分类号 G06K17/00
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