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