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