It is still the object of this invention to provide an encoder wherein light is transmitted to said {HEAD ~ light} detecting {TAIL ~ means} via an editing means 
It is still the object of this invention to provide an encoder wherein light is transmitted to said { HEAD ~ light } detecting { TAIL ~ means } via an editing means
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH