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