发明名称 Radio frequency verification system and device
摘要 The present invention provides a tracking device for communicating information regarding an object, the tracking device comprising a housing including a disk having a central axis and an outer circumference, and a plurality of arms attached to the outer circumference of the disk forming a cavity. The tracking device further comprises a transponder disposed within the cavity and configured to transmit an electromagnetic signal in response to an electromagnetic wave, the transponder including an integrated circuit having a memory and an antenna electrically coupled to the integrated circuit.
申请公布号 US7760099(B2) 申请公布日期 2010.07.20
申请号 US20060556596 申请日期 2006.11.03
申请人 CODAN US CORPORATION 发明人 KNIGHT THOMAS F.
分类号 G08B13/00 主分类号 G08B13/00
代理机构 代理人
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