{TAIL ~ The processing unit} is connected to {HEAD ~ said photosensor array} for generating signals corresponding to said subareas 
{ TAIL ~ The processing unit } is connected to { HEAD ~ said photosensor array } for generating signals corresponding to said subareas
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH