发明名称 EVALUATION OF THE COUPLING FACTOR OF AN ELECTROMAGNETIC TRANSPONDER BY CAPACITIVE DETUNING
摘要 A method for evaluating the current coupling factor between an electromagnetic transponder and a terminal, and a transponder implementing this method, wherein a ratio between data representative of a voltage across an oscillating circuit of the transponder and obtained for two capacitance values of the oscillating circuit is compared with one or several thresholds.
申请公布号 US2011300800(A1) 申请公布日期 2011.12.08
申请号 US201113151622 申请日期 2011.06.02
申请人 WUIDART LUC;STMICROELECTRONICS (ROUSSET) SAS 发明人 WUIDART LUC
分类号 H04B5/00 主分类号 H04B5/00
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