Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Design of the Crab label tag with a loop matching feed and a modified dipole structure at 900 MHz

  • Choi, Eui-Sun (Department. of Electronic Materials Engineering, Kwangwoon University) ;
  • Lee, Hak-Yong (SONOVISION Co., Ltd.) ;
  • Lee, Jin-Seong (Department. of Antenna Research) ;
  • Lee, Kyoung-Hwan (Department. of Antenna Research) ;
  • Lee, Sa-Won (Department of Information Communication and Homenetwork, Chungju College of Korea Polytechnic IV) ;
  • Lee, Young-Hie (Department. of Electronic Materials Engineering, Kwangwoon University)
  • Received : 2010.05.25
  • Accepted : 2011.03.04
  • Published : 2011.07.01
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Abstract

The Crab label tag with a loop matching feed and a modified dipole antenna structure was proposed. The antenna impedance is conjugated easily to a radio frequency identification IC chip impedance by a loop matching feed. The reading range of the crab structure tag is 0.9-1.0 m from the upper side of the formula milk can lid. The fabricated label tag size is $44.0{\times}44.0mm^2$. The operating frequency at -3 dB return loss is 861.0-929.0 MHz, and the maximum reading range at the anechoic chamber is 1.5 m.

Keywords

References

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