Although in the foregoing, line memories are used to store {HEAD ~ display information frame memories} for introducing {TAIL ~ display information} for one frame may be used in place of the line memories 
Although in the foregoing , line memories are used to store { HEAD ~ display information frame memories } for introducing { TAIL ~ display information } for one frame may be used in place of the line memories
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH