Patent ID: 8164577

Claim:
An input device having an input unit for receiving light corresponding to an external input, and allowing input to a plurality of points on an input surface of said input unit, said input device comprising: target creating means for generating information on a target indicating a series of external inputs on a basis of temporal or spatial positional relation of input parts to which the inputs have been performed; display means for displaying an image, the display means corresponding to said input surface of said input unit; performing means for performing predetermined processing on a basis of the information on said target; and height information generating means for generating height information indicating height of said target from said input surface on a basis of an amount of light received in said input unit; wherein said target creating means generates the information on said target to which information said height information is added, and said performing means performs predetermined processing on a basis of said height information added to the information on said target, and the display means does not display any image when the height of the target is greater than a first height, displays a first image when the height of the target is less than the first height but not touching the display means, and displays a second image when the target touches the display means.