| 摘要 |
PURPOSE: A method for controlling an electronic blackboard menu displayed on an electronic blackboard, a client device, and a system thereof are provided to automatically move an electronic blackboard menu when a user moves, thereby increasing convenience. CONSTITUTION: An image processing unit(103) outputs an electronic blackboard menu. A board communication unit(101) obtains information about a location of a user from an electronic blackboard based on a location of the electronic blackboard menu. A control unit(102) determines whether to change an operating state of the electronic blackboard menu during execution of an electronic blackboard program. The control unit moves the electronic blackboard menu if the user moves. |
