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J. J. Hirai, T. W. Kim and A. Kawamura, “Wireless Transmission of Power and Information for Cableless Linear Motor Drive,” IEEE Transactions on Power Electron, Vol. 15, No. 1, 2000, pp. 21-27. doi:10.1109/63.817358

has been cited by the following article:

• TITLE: Design of a Loop Resonator with Improved Power Transmission Efficiency Using a Ferrite Plate

  AUTHORS: Gangil Byun, Sunghwan Ji, Byungjun Jang, Chulhun Seo, Hosung Choo

  KEYWORDS: Ferrite Plate; Loop Resonator; Wireless Power Transmission

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.5 No.5, May 20, 2013

  ABSTRACT: We propose a novel resonator that can reduce magnetic field leakage using a ferrite plate. The proposed resonator consists of a rectangular loop, a ferrite plate, and an L-matching network. The ferrite plate is used as an H-field reflector to direct more H-field to each resonator, and the L-matching network is employed to match the 50 Ω of the feed cable at 13.56 MHz. Two identical resonators with dimensions of 30 cm × 15 cm are separated by 50 cm, and the resulting transmission efficiency is about ?12.3 dB at 13.56 MHz. This is about 4.2 dB higher than the resonators without the ferrite plate.