| 摘要 |
PURPOSE:To display same documents on both destinations of the system and to make a direct instruction to the displayed document possible by displaying same pictures on the both destinations and displaying a received cursor of the opposite on one destination through the cursor of seb-terminal and communication control means together the the document picture. CONSTITUTION:A common picture display control means 8 is actuated by receiving a picture up dating instruction from its own terminal key input means 4, and reads a picture information from an external storage means 6 to display it in an displaying means of its own terminal. At the same time, the means 8 transmits the said picture up dating instruction and the picture information to the opposite terminal through the communication control means 7, and the opposite's displaying means 3 displays the same picture. Coordinate values are inputted through a coordinate input means 5, and the cursor is displayed in a displayer means 3 by a cursor display control means 9. the cursor is made displayed in the same position in a displaying means 3 on the opposite terminal as that in the means 3 of the transmitting side through the communication control means 7.
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