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