Patent ID: 8890819

Claim:
A display input device comprising: a touch panel having a proximity sensor for detecting coordinates of an object to be detected approaching to said touch panel in a non-contact manner, for carrying out a display of an image and an input of an image; and a control unit for correcting x and y coordinates of said object to be detected which are acquired by said proximity sensor, according to predetermined functions each having, as variables, an angle of elevation φ, an angle of deviation θ and a z coordinate, a surface of said touch panel being defined as an xy coordinate plane and a direction perpendicular to said surface of said touch panel being defined as a z axis, said angle of elevation φ being the one of a straight line OC with respect to said surface of said touch panel, the straight line OC extending between a predetermined point O positioned on said touch panel and a predetermined point C positioned outside said touch panel, and said angle of deviation θ being the one between a straight line which is an orthogonal projection of said line OC onto said xy coordinate plane, and an x axis on said xy coordinate plane.