发明名称 Selective de-activation of RFIDs
摘要 An approach to disabling an RFID. The operative range of an RFID is determined in part by the matching between the wavelength of the radiation used to communicate, and the length of the antenna used. Under the invention, the length of the antenna is changed, to reduce the operative range.
申请公布号 US2006290502(A1) 申请公布日期 2006.12.28
申请号 US20050166981 申请日期 2005.06.24
申请人 NCR CORPORATION 发明人 RAWLINGS TIMOTHY W.
分类号 G08B13/14 主分类号 G08B13/14
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