To simplify processing by preventing the delay of data transmission while automatically thinning data by specifying the data to be transmitted through a line having lower transmission rate while referring to a data table.
An editing part 4 decides which information is to be prepared and transmitted as information for the line of 4.8kbps corresponding to the data stored in a buffer 2 and the value of a receiving state table. Then, the data in the buffer 2 are generated as data for the line of 4.8kbps and outputted to a 2nd buffer 5. When data C are completely received and bits corresponding to these data on the receiving state table express 'completion' but all the other bits express 'non-completion' at the time point when the editing part 4 starts editing processing, for example, the value of the receiving state table at that time becomes '4' so that 3rd and 4th information can be outputted to a 2nd buffer 5 while referring to a preparation information table corresponding to that value.
NISHIURA SUSUMU
SAEGUSA KOJI
MIZUKAMI EMI
KITAMOTO HIROYUKI
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