发明名称 Memory tag
摘要 A memory tag responsive to a signal generated by a reader, the tag comprising a resonant circuit part having a resonant frequency, the resonant frequency of the resonant circuit part being variable in accordance with data to be transmitted being variable to transmit data to the reader.
申请公布号 US7167080(B2) 申请公布日期 2007.01.23
申请号 US20030697430 申请日期 2003.10.31
申请人 HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 发明人 WATERS JOHN DERYK
分类号 H04Q5/22;G01S13/75;G06K7/00;G06K17/00;G06K19/07 主分类号 H04Q5/22
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