DATA TRANSFER SYSTEM, DATA WRITE DEVICE, DATA READ DEVICE AND DATA WRITE METHOD/DATA READ METHOD

摘要

PROBLEM TO BE SOLVED: To transfer massive data on a real time basis by avoiding the occupation/blocking of a communication line when massive transmission data exist. ;SOLUTION: A data write device 10 is provided with a write control part 11 in which plural files are sequentially and rotationally swapped and writes data in the plural files of a storage device 40 and a communication control part 13 giving the notice of information specifying the file which is in the middle of writing and/or which is previously written to a data read device 20. The data read device 20 is provided with a read control part 21 reading data written by the data write device 10 from the plural files in accordance with a written order and a communication control part 23 giving the notice of information specifying the file which is in the middle of reading and/or which is previously read to the data write device 10.;COPYRIGHT: (C)1997,JPO