#SUMIDA CORP [JP]

POWER TRANSMISSION DEVICE

A power transmission device 100 includes an annular transmission unit 10 having an annular first magnetic core 31 and a transmission coil 61 and an annular reception unit 20 having an annular second m…

DRIVE·Nov 20·2 min read

H01F27/24 SUMIDA CORP [JP]

RESONANT RECTIFIER CIRCUIT

An object of the present invention is to provide a resonance matching circuit that does not decrease transmission efficiency of a voltage type inverter circuit even when the resonance matching circuit…

DRIVE·Jul 20·1 min read

H02J50/05 SUMIDA CORP [JP]

CAPACITANCE TYPE DETECTION DEVICE, SENSOR UNIT, AND CONTROL SYSTEM FOR DETECTING APPROACH OF OBJECT, AND METHOD FOR SAME

Disclosed are a device and a method for accurately detecting an approach of an object to be detected. Specifically, a measurement unit (210) measures the stray capacitances of first and second sensor …

DRIVE·Jul 11·2 min read

B60J5/00 SUMIDA CORP [JP]