Another aspect of the present disclosure is directed to {TAIL ~ a method} for operating {HEAD ~ an optical encoder} 
Another aspect of the present disclosure is directed to { TAIL ~ a method } for operating { HEAD ~ an optical encoder }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD