Reflections from the indicia 12 illuminated by the line 16 are focused by {HEAD ~ the imaging lens} 18 onto {TAIL ~ a sensor} 20, such as a linear charge coupled device  
onto
Reflections from the indicia 12 illuminated by the line 16 are focused by { HEAD ~ the imaging lens } 18 onto { TAIL ~ a sensor } 20 , such as a linear charge coupled device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH