Camera assisted pen tablet

Details Camera assisted pen tablet Camera assisted pen tablet

2011-06-28

2011-06-28

Nguyen, Kevin M (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C345S173000

Reexamination Certificate

active

07969409

ABSTRACT:
An x-y user input device, such as a pen tablet or digitizing tablet, used to control a cursor on a display of a data processing system, comprises an imaging device or camera and an image processor for displaying a captured image of a user's hand operating the input device within a window of the display. The input device is generally operated using a pointing device that controls the cursor position on the display while being synchronously imaged and displayed with the user's hand on the display. The position of the captured image of the user's hand and pointing device in the window relative to the cursor corresponds to a position of the hand relative to the pointing device, thereby providing a visualization effect that increases user comfort and proficiency with the input device.

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