Accessing and selecting multiple key functions with minimum keys

Details Accessing and selecting multiple key functions with minimum keys Accessing and selecting multiple key functions with minimum keys

1991-08-28

1993-11-02

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

36470914, 341 23, G09G 302

Patent

active

052587487

ABSTRACT:
A calculating device and related method for accessing and selecting among multiple key functions with a minimum of keystrokes. The keyboard includes menu keys corresponding to menu labels displayable on the display and a multi-function key having a primary function and a secondary function. Which of the key functions is selected depends on the duration of the key press. The calculating device executes the primary function if the key is pressed for a short time. However, if the key is pressed for longer than a given time period, the calculating device displays a set of menu labels and assigns a function associated with a displayed menu label to a menu key. If the key continues to be pressed, the display scrolls to show additional sets of menu labels. A menu function may then be selected by releasing the multi-function key and pressing the appropriate menu key.

REFERENCES:
patent: 4202038 (1980-05-01), Petersson
patent: 4718029 (1988-01-01), Morino et al.
patent: 4823311 (1989-04-01), Hunter et al.
patent: 5007008 (1991-04-01), Beers
patent: 5020012 (1991-05-01), Stockberger et al.
patent: 5134577 (1992-07-01), Kawawaki

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