The apparatus 9, wherein said conversion means arranges said {HEAD ~ first field} and said second field in {TAIL ~ separate areas} in one frame 
in
The apparatus 9 , wherein said conversion means arranges said { HEAD ~ first field } and said second field in { TAIL ~ separate areas } in one frame
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH