Pointing system for pen-based computer

Details Pointing system for pen-based computer Pointing system for pen-based computer

2007-07-24

2007-07-24

Lamarre, Guy (Department: 2112)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S179000, C345S156000

Reexamination Certificate

active

10216431

ABSTRACT:
A secondary input system for a pen-based computer allows users to control a graphical user interface without the use of a stylus. The secondary input system may be in the form of a pointing system. A display surface may be attached to a housing in which the display surface is sensitive to input of a pen device. The pointing system includes a secondary input system on housing in which the input device is responsive to movement of a finger of a user for controlling the graphical user interface. The input device may be a point stick device, a touchpad, or other device that provides two-dimensional movement of a graphical object on the display surface. The secondary input system may be automatically activated or deactivated based on proximity sensing of a stylus or pen with respect of the display surface.

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