{HEAD ~ reproduction period control code reading means} for reading {TAIL ~ a reproduction period control code} correlated with the transmission period judged as matching on the basis of a checking result of the transmission period checking means, from the second memory means; and 
for reading
{ HEAD ~ reproduction period control code reading means } for reading { TAIL ~ a reproduction period control code } correlated with the transmission period judged as matching on the basis of a checking result of the transmission period checking means , from the second memory means ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH