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Inductive wireless power transfer (IWPT) is a promising power technology for implantable biomedical devices, where the power consumption is low and the efficiency is the most important consideration. In this paper, we propose an optimization method of impedance matching networks (IMN) to maximize the IWPT efficiency. The IMN at the load side is designed to achieve the optimal load, and the IMN at...
A novel near-field communication uplink system is proposed. It uses coils as antennas, coils that are also used for inductive wireless power supply. It is symbiotic with the power supply due to negligible interaction. Using binary phase shift keying, it has a lower bit error rate compared with systems using load shift keying. Furthermore, it is able to communicate under ultra low coupling coefficient...
This paper presents a design method and results of prototyping for the wireless power transfer (WPT) link used in intraocular implantable devices. In this kind of applications, the coil size is constrained strictly, which makes it hard to find an efficient configuration by only changing the coil geometry. Therefore, in our design, we took frequency into account as another design dimension to expand...
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