Method and apparatus for displaying simulated keyboards on touch

Details Method and apparatus for displaying simulated keyboards on touch Method and apparatus for displaying simulated keyboards on touch

1990-06-04

1996-12-03

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345119, 345168, G09G 508

Patent

active

055812430

ABSTRACT:
A phantom keyboard is formed on a touch sensitive display as an input tool for a computer. The keyboard is superimposed on, though does not occlude from view, an image of an output of an application being run on the computer. In a another aspect of the invention, the simulated keyboard is displayed in a different fashion, in a window occupying, e.g., the bottom of the display rastor, while the application's output appears in a window occupying, e.g., the top of the display rastor. Since this arrangement provides only a fraction of the full rastor for displaying the output from the application program, a special scroll feature is provided. This feature permits the user to scroll through the full screen page of text, but without the text of any other screen pages appearing on the display. In yet another aspect of the invention, the key "auto-repeat delay" and "auto repeat rate" of the simulated keyboard are user adjustable, again preferably by an adjust appearing on the touch-sensitive display.

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