{HEAD ~ The optical intensity pattern} of {TAIL ~ a two dimensional image field} is electrically scanned a line at a time by a shift register access technique, thus providing a first stream of bits for each line 
of
{ HEAD ~ The optical intensity pattern } of { TAIL ~ a two dimensional image field } is electrically scanned a line at a time by a shift register access technique , thus providing a first stream of bits for each line
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH