Wires are connected to the fixed split electrode members respectively, thereby taking out two series connected capacitances which are formed by {HEAD ~ the respective ones} of the first and second fixed split electrode members and {TAIL ~ the rotatable electrode} 
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Wires are connected to the fixed split electrode members respectively , thereby taking out two series connected capacitances which are formed by { HEAD ~ the respective ones } of the first and second fixed split electrode members and { TAIL ~ the rotatable electrode }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL