Ryuji Murata

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We propose a triplexer in a low temperature co-fired ceramic substrate for ultra-wideband (UWB) and 2.4 GHz wireless systems. This triplexer can be applied to the band of 2.4 GHz wireless systems (2.4-2.5 GHz), the band group 1 (3.168-4.752 GHz) of multiband orthogonal frequency-division multiplexing UWB wireless systems, and the band groups 3 and 4(More)
An electromagnetic engine valve (EMV) has received a great deal of attention due to the growing importance of issues such as fuel economy and environmental protection in the automotive. In this paper we propose a new positioning control method for a prototype linear motor developed for the EMV. This linear motor has nonlinear properties due to the detent(More)
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