Patent ID: 6466198
Filing Date: 2002-10-15
Classification: G06F,G06Q,H04M

Abstract:
A view navigation system for a hand-held device having processing means and a display, comprising:means for storing a virtual display, said virtual display is larger than said display so that only a portion of said virtual display can be viewed on said display, switching means for engaging and disengaging a view navigation mode of operation, means for sensing changes in the orientation at which said device is held along two generally perpendicular axes, interface means for converting the output of said orientation sensing means to a digital signal connected to said processing means and responsive to said changes in the orientation along said perpendicular axes, means for storing and selecting a response curve that continuously correlate changes in orientation to required changes in the viewable portion of said virtual display, said processing means is further adapted to navigate the viewable portion of said virtual display in the direction and quantity responsive to said changes in orientation and in accordance with said response curve when said view navigation mode is engaged, and to fix said viewable portion when said view navigation mode is disengaged, wherein said response curves change dynamically based on the duration of said view navigation mode.