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We have proposed and investigated body area networks using magnetic coupling between coils worn on an arm, and confirmed that the transmission characteristics were improved more than 20 dB compared with those of the conventional human body communication using electrodes in contact with the body. However, the arm will be bent with various angles in daily life. In this paper, transmission characteristics...
Recently, wireless power transfer technology has drawn a lot of attention as a promising wireless power feeding and charging technology to mobile and wearable devices. Wireless power transmission using an excitation coil and several arrayed parasitic relay coils has been proposed in order to expand the power receiving area with highly efficient transmission. However, the efficiency of energy transmission...
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