Mobile devices are not sufficiently convenient yet because it is necessary to frequently charge them. This is especially inconvenient when their battery power has slightly discharged. We have researched a contactless power transmission system (CLPS) to enable charging between mobile devices. We propose a charging system at a station because many types of mobile devices can be installed there. We tested a charging system between mobile devices and a station charging system using the same coil

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... hin mobile devices and confirmed that the systems were extremely effective and provided steady transmission of electrical power.