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This paper proposes a multilayer ceramic coil for a wireless power transfer system that fabricated by a photo resist film process. The wireless power transfer technology has been focused as power supply of miniaturized communication devices because it is not required the connecting cable, and it is suitable to carry. Moreover, the electromagnetic induction type that is usually used is constructed...
Wireless power transmission is being investigated as a means to operate tiny medical devices such as the capsular endoscope, which is able to exist for a long period during diagnostic procedures within the body. In this paper, we examine the wireless power transmission to a capsular endoscope by microwaves to show its usability for medical applications. A modified helical antenna inside the endoscope...
In recent years, body-centric wireless communications become an active area of research due to their various applications such as e-healthcare, support systems for specialized occupations, and personal communications. Since the candidate frequencies for body-centric wireless communications widely range from MHz to GHz, dielectric properties of the human body tissues, relative dimensions of the human...
Implantable devices have been investigated with great interest as communication tools. These implantable devices are embedded into the human or pet body. The vital information (such as temperature, blood pressure, cardiac beat, etc.) can be transmitted from implantable devices to the external equipment by use of a wireless communication link. Therefore, the research on the antenna for implantable...
In this paper, the SAR distribution in the fetus was calculated using the numerical model of the pregnant woman by the NHA with the metallic case at 150 MHz. As a result, it has confirmed that the SAR of the NHA at 150 MHz in deep region of the maternal body (y ges 80 mm) is higher than that of the half-wave dipole antenna at 2 GHz. In addition, it has confirmed that the fetus averaged SAR is 38%...
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