A three-dimensional pointing method is disclosed. In the three-dimensional pointing method of the present invention, a desired point in a three-dimensional space represented on a display apparatus is pointed at based on two-dimensional coordinates of a position that is pointed at by a pen tip of an input...http://www.google.de/patents/US7880726?utm_source=gb-gplus-sharePatent US7880726 - 3D pointing method, 3D display control method, 3D pointing device, 3D display control device, 3D pointing program, and 3D display control program
