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