Patent ID: 9600091
Date: 2017-03-21
CPC Classifications: G06F,H04N

Claim:
1. A display device comprising: a display unit configured to display a supply image supplied from an image source on a display surface; a location detection unit configured to detect a pointed location on the display surface; a coordinate calculation unit configured to calculate first coordinates as coordinates of the pointed location in a displayable area on the display surface, the displayable area being an area where the supply image can be displayed; a coordinate conversion unit configured to convert the first coordinates calculated by the coordinate calculation unit into second coordinates as coordinates in the supply image based on image location information indicating a location of the supply image on the display surface; an output unit configured to output the second coordinates obtained by the coordinate conversion unit to the image source; and a location correction unit configured to cause the output unit to output third coordinates specified in advance to the image source in response to a predetermined operation by a user and to correct the image location information based on a tip end location and a length of a reference pointer, the reference pointer being provided by the image source and displayed at the location corresponding to the third coordinates in the supply image by the image source.