Recognition keypad

Details Recognition keypad Recognition keypad

1993-05-10

1997-10-14

Nguyen, Chanh

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345119, G09G 500

Patent

active

056777108

ABSTRACT:
A method and apparatus for inputting data to an active application program running on a computer system includes the steps of displaying the image of a recognition keypad on a screen of the computer system, the keypad being adapted to receive user inputs; analyzing the user inputs to the recognition keypad; and inputting data to an application program running on the computer system based upon the analysis of the user inputs. The recognition keypad includes at least one button and a recognition area having at least two recognition modes. Preferably, the user inputs include inputs from a pointing device, and the recognition modes include a command mode and a character mode. The user preferably enters characters and gestures to the recognition area, and the buttons are preferably modifier buttons operative to modify the entered characters and gestures based on the current recognition mode.

REFERENCES:
patent: 5063600 (1991-11-01), Norwood
patent: 5252951 (1993-10-01), Tannenbaum et al.
patent: 5347295 (1994-09-01), Agulnick et al.
Mettandwriter, Version 1.0, User Guide, 1993.

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