| 摘要 |
PROBLEM TO BE SOLVED: To reproduce a conference paper material in such a way that the final paper material is formed by clarifying historically it by whom and how this material has been corrected since start of a conference. SOLUTION: The system is provided with an operation process information generating means 3 that generates operation process information by adding identification information of a revised operator acquired by an identification information acquisition means 2 with respect to operation information entered by an entry means 1 to revise a display image, a storage means 5 storing sequentially the operation process information from other terminal equipment and received by the communication means 4 and the operation process information generated by the operation process information generating means 3 and a reproduction means 6 reproducing the revision process with respect to a displayed image on a display means 7 based on the operation process information stored in the storage means 5. Then by whom and how the displayed image has been revised is stored in the storage means 5 and the result is reproduced at an optional point of time by using the reproduction means 6. |
