Patent ID: 8525784

Claim:
A projection system comprising: a projection device; a displayed image projected by the projection device, the displayed image including one or more selectable items; an input device being movable in free space and configured to point to the selectable items, the input device being configured to provide a double-click input to effect one or more changes in a graphical user interface that corresponds with a selection of a particular one of the selectable items at which the input device is pointed, wherein any movement of the input device after initiation on of the double-click input is ignored by the graphical user interface until completion of the double-click input; and a cursor displayed as part of the graphical user interface and configured to indicate where the input device is pointed within the graphical user interface, the cursor being movable with the input device, wherein the cursor is configured to: (1) stay at a location at which the input device was pointed when the double-click entry was initiated, and (2) move back to the location at which the input device was pointed when the double-click entry was initiated after a preselected amount of time long enough to register the double-click entry.