Text entry coding system and handheld computing device
First Claim
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1. A keystroke chording system operative within a computing system comprising:
- a multi-position control;
a plurality of discreet input buttons; and
means operative within said computing system for outputting a character selected by chording said multi-position control and a selected one of said input buttons wherein each combination of joystick position input and input button input produces a character output to the computing system for display and text entry.
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Abstract
A keystroke chording system operative within a computing system such as a PDA or the like employs the multi-position joystick control or its equivalent together with a plurality of discreet input buttons to provide text entry. The system utilizes highly effective chording techniques to allow the user to employ additional shift keys positioned upon the PDA computing unit to increase the available combinations of chorded keystrokes produced by joystick and action button actuation of the unit. The use of additional shift keys facilitates a highly effective and efficient chorded keystroke system.
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Citations
14 Claims
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1. A keystroke chording system operative within a computing system comprising:
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a multi-position control;
a plurality of discreet input buttons; and
means operative within said computing system for outputting a character selected by chording said multi-position control and a selected one of said input buttons wherein each combination of joystick position input and input button input produces a character output to the computing system for display and text entry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. For use in a handheld computing device supported within a housing having a front face and outer edge, a display screen on said front face, a pair of buttons on said outer edge, a multi-position joystick control supported on said front face and a plurality of discreet input buttons supported on said front face, a keystroke chording system comprising:
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first means operative within said computing device outputting a character selected in response to a selected position of said joystick control in combination with a selected one of said discreet input buttons;
second means within said computing device responsive to the actuation of said pair of buttons to establish a first shift state when neither button is pressed, a second shift state when one of said buttons is pressed and a third shift state when the other of said buttons is pressed; and
third means within said computing device responsive to said shift state for establishing first, second and third character sets from which said first means select characters. - View Dependent Claims (12, 13, 14)
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Specification