C) after a change of the rotor position signal , which change follows the new commutation and is associated with a change between two rotor poles, which change is hereinafter referred to as a second pole change, {HEAD ~ a second value} for {TAIL ~ the motor current} is ascertained 
for
C ) after a change of the rotor position signal , which change follows the new commutation and is associated with a change between two rotor poles , which change is hereinafter referred to as a second pole change , { HEAD ~ a second value } for { TAIL ~ the motor current } is ascertained
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH