| 摘要 |
<p>PURPOSE:To manage effectively an electronic blackboard by constituting so that common and individual modes are switched automatically or manually as an operation mode of the blackboard, and displaying a picture filed in a storage device by the own station side only, even in the course of a conference with a remote place. CONSTITUTION:In an electronic blackboard device which is communicating with other electronic blackboard device, in case control devices 6 and 6' of both of them are set to a common mode, a handwriting information inputted in one station is superposed on a picture displaying in common and managed as a new common mode picture. While a conference is being progressed, seeing the picture displayed in common in this way, an individual mode is used in order to fetch an existing picture required for a study from a storage device and to display it. In this case, an operator inputs an individual switching instruction by a keyboard device 5, and designates a file number, etc. of the existing picture. In this way, a desired picture is displayed on a display device 4 of the own station irrespective of a display picture of the other station.</p> |
