Patent ID: 9075521
Filing Date: 2015-07-07
Classification: G06F

Abstract:
1. An electronic chalkboard system comprising: a plurality of display panels; a pointing device; an image processor configured to process an image displayed on one of the plurality of display panels that is drawn by the pointing device touching the one of the plurality of display panels; a controller configured to, in response to a first display panel of the plurality of display panels being touched by the pointing device, select one of the plurality of display panels according to a preset condition based on the first display panel, and control the image processor to display on the selected display panel a menu related to the image displayed on the first display panel; and wherein, in response to a second display panel of the plurality of display panels being touched by the pointing device while the menu is displayed on the selected display panel, the controller is configured to newly select one of the plurality of display panels according to the preset condition based on the second display panel and transfer the displayed menu to the newly-selected display panel.