Patent ID: 8610681
Filing Date: 2013-12-17
Classification: G06F

Abstract:
1. An information processing apparatus comprising: a display device; pointed position detecting means for detecting a specified position by a touch operation of a pointing device on a screen of the display device; sensor means for detecting a position of the pointing device when the pointing device is not in contact with the screen of the display device; and control means for recognizing the touch operation detected by the pointed position detecting means and controlling the information processing apparatus in accordance with the recognized touch operation and the position of the pointing device detected by the sensor means, wherein the sensor means includes at least four sensor means each disposed at a position corresponding to a different quadrant or corner of the screen and each of the at least four sensor means is inclined at a non-zero angle with respect to the screen, and the sensor means recognizes a direction of movement of the pointing device when the pointing device is not in contact with the screen which includes at least recognizing a circular movement of the pointing device along a plane that is parallel with respect to the screen when the pointing device is not in contact with the screen.