An input device for providing position and orientation information with six degrees of freedom for use in manipulating a real or virtual three-dimensional object. An illustrative embodiment includes a handle with a plate attached to an upper portion thereof. Associated with an upper planar surface of...http://www.google.es/patents/US6417836?utm_source=gb-gplus-sharePatente US6417836 - Computer input device having six degrees of freedom for controlling movement of a three-dimensional object
Computer input device having six degrees of freedom for controlling movement ...
