Data obtained by the sensor 20 is appropriately clocked out of the sensor and transferred to {HEAD ~ other electronic circuits} of {TAIL ~ the scanner} 
Data obtained by the sensor 20 is appropriately clocked out of the sensor and transferred to { HEAD ~ other electronic circuits } of { TAIL ~ the scanner }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL