摘要 |
A flat input device and/or display is incorporated into a computer keyboard. The flat input device is multi-functional and may be used to realize a virtual keypad/mouse. The virtual keypad/mouse is a touch-sensitive device that in one mode of operation functions as a numeric keypad and in another mode of operation functions as a mouse, i.e., a pointing device for positioning a cursor. In still another mode of operation, the device may operate as a digitizer. The virtual keypad/mouse may be connected to the computer by a cable in addition to the conventional keyboard cable. A flat panel display may be used in lieu of or in addition to a conventional computer monitor, for viewing documents, for videoconferencing, collaborative work, etc.
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