Patent ID: 6977643

Claim:
A user input system for a computer device comprising: a projecting device for projecting images for display on a surface in front of a user located proximate said device, a projected image including an active screen display corresponding to an application executing in said device, another projected image including an object image located within the active screen display and representing means for pointing to locations within said projected active screen display; a signal detection system for detecting the presence of an object located at said surface in front of a user located and within a projected image display area; and, mechanism for converting detected movement of said object located within a projected image display area on said surface into movement of said object image within said projected active screen display to facilitate data input functions at locations in said active screen display for said executing application, wherein a projected image for display on a surface further includes a dynamic keypad image having function keys for executing functions, said converting mechanism further converting detected movement of said object located within a projected image display area for dynamically moving said projected keypad image and keys on said surface in accordance with said object movement.