| 摘要 |
PROBLEM TO BE SOLVED: To keep consistency of data between respective work terminals without any interruption of work. SOLUTION: A plurality of terminals connected via a communication line have information individually and perform information updating respectively. In this environment, a data management terminal is prepared for reflecting updated contents in all of the respective terminals, and the updated contents reflected by the data management terminal are transmitted in a differential form to the respective terminals. In the respective terminals, data are updated with the transmitted updated contents, and consequently, consistency of data among a plurality of terminals can be maintained. COPYRIGHT: (C)2005,JPO&NCIPI
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