Patent ID: 9602686
Date: 2017-03-21
CPC Classifications: G06F,H04N

Claim:
1. A display device comprising: a display section having a display surface; a display control section configured to cause the display section to display a first display region and a first operating region; and a detection section configured to detect a touch point in touch with the display surface of the display section, wherein a page selected from a plurality of pages is displayed in the first display region, the first operating region has a size corresponding to the number of pages from the page displayed in the first display region to an end page out of the pages, the display control section updates the page displayed in the first display region to a page corresponding to a start point of the touch point and updates sequentially the page displayed in the first display region from the page corresponding to the start point of the touch point, through each subsequent page, to a page corresponding to an end point of the touch point according to a number of to-be-updated pages determined based on an amount of travel from the start point to the end point of the touch point within the first operating region and a number of to-be-updated pages per unit amount of travel of the touch point, in response to the detection section detecting the touch point in the first display region, the display control section does not update the page displayed in the first display region, the first operating region has an upper limit in the size, the size of the first operating region per unit page is constant, when movement of the touch point from a first edge line to a second edge line of the first operating region is repeated in a situation in which the number of pages from the page displayed in the first display region to an end page of the plurality of pages exceeds the number of pages corresponding to the upper limit, the display control section causes a page corresponding to the number of pages exceeding the number of pages corresponding to the upper limit to be displayed in the first display region, the first edge line is located adjacent to the first display region, and the first edge line is located opposite to the second edge line.