A system for detecting {TAIL ~ movement} of a forcer of a motor directed for effecting movement of a forcer in a first direction in response to {HEAD ~ command pulses} 
A system for detecting { TAIL ~ movement } of a forcer of a motor directed for effecting movement of a forcer in a first direction in response to { HEAD ~ command pulses }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL 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