Mitigation of Proximity to Metal for Magnetically Coupled Transponders by use of Resonant Loops

被引：0
|
作者：
Mukherjee, Somnath [1 ]
机构：
[1] Thin Film Elect Inc, San Jose, CA 95134 USA
来源：
2014 IEEE INTERNATIONAL CONFERENCE ON RFID (IEEE RFID) | 2014年
关键词：
HF RFID; Near Field Communication; NFC; metal effect mitigation; low cost alternative to ferrite shield; eddy current mitigation; current robbing; Wireless Power Transfer; WPT;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Deleterious effect of metal in proximity of magnetically coupled readers/transponders is often mitigated by ferrite shields. A resonant circuit at a fraction of the cost of ferrite materials can reduce the effect by robbing energy from the metal. A simplified theory in conjunction with circuit and field simulation and experiments are presented.
引用
收藏
页码：8 / 14
页数：7
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