DIRECTIONAL INPUT SYSTEM WITH AUTOMATIC CORRECTION
First Claim
1. A text entry system, comprising:
- a direction selector to point in a direction of letters to collectively form an intended linguistic object, where each letter comprises a linguistic object subcomponent;
an output device with a text display area; and
a processor, comprising;
a difference calculation module configured to output, for each act of pointing, various letters based upon factors including at least the difference between an actual direction indicated by the direction selector and pre-assigned directions of the letters;
an object search engine responsive to a sequence of pointing acts to identify linguistic objects from a collection of linguistic objects, where each identified linguistic object comprises a different combination of one letter output by the difference calculation module for each act of pointing in the sequence; and
a selection component to facilitate user selection of a desired linguistic object from the identified linguistic objects.
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Abstract
A system associated with a text entry application, such as email or instant messaging, comprises an optional onscreen representation of a circular keyboard, a list of potential linguistic object matches, and a message area where the selected words are entered. The circular keyboard is manipulated via a hardware joystick or game-pad with analog joystick or omni-directional rocker switch built therein. The user points the joystick in the general direction of the desired letter, and then continues pointing roughly to each letter in the desired word. Once all letters have been roughly selected, buttons are used to select a specific word from the list of potential matches and send the selected word to the message area.
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Citations
27 Claims
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1. A text entry system, comprising:
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a direction selector to point in a direction of letters to collectively form an intended linguistic object, where each letter comprises a linguistic object subcomponent; an output device with a text display area; and a processor, comprising; a difference calculation module configured to output, for each act of pointing, various letters based upon factors including at least the difference between an actual direction indicated by the direction selector and pre-assigned directions of the letters; an object search engine responsive to a sequence of pointing acts to identify linguistic objects from a collection of linguistic objects, where each identified linguistic object comprises a different combination of one letter output by the difference calculation module for each act of pointing in the sequence; and a selection component to facilitate user selection of a desired linguistic object from the identified linguistic objects. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A text input method comprising:
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receiving a signal from a directional input device, wherein the signal corresponds to a user act of entering a direction through the directional input device, wherein the entered direction corresponds to one or more linguistic object subcomponents according to a current mapping; for the entered direction, preparing an output of candidate linguistic object subcomponents based upon factors including at least the difference between directions indicated by the directional input device and pre-assigned directions of the linguistic object subcomponents according to the current mapping; using the output to predict at least one linguistic object; and facilitating selection by the user of a desired one of the predicted linguistic objects. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A computer readable storage medium tangibly embodying a program of instructions executable by a digital data processing machine to perform text input operations comprising:
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receiving machine-readable signals representing an ordered series of user-submitted directional inputs entered via a directional input device, wherein directional inputs of the directional input device correspond to different linguistic object subcomponents according to a current mapping; for each user-submitted directional input, based upon that directional input alone, estimating multiple corresponding linguistic object subcomponents that the user might have intended by such directional input; assembling the different ones of the estimated linguistic object subcomponents to construct multiple different proposed linguistic objects that the user might have intended by the series of directional inputs, where each proposed object includes one estimated linguistic object subcomponent for each user-submitted directional input, the linguistic object subcomponents occurring in the proposed object in the same order as the series of user-submitted directional inputs; and facilitating selection of a desired one of the proposed objects. - View Dependent Claims (20, 21)
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22. A text input system, comprising:
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a direction selector configured to point in a direction through input by a user toward one or more linguistic object subcomponents; a predetermined or dynamic mapping between directions and linguistic object subcomponents; an output device with a text display area; a processor, including an object evaluation component configured to identify at least one linguistic object within a collection of linguistic objects based on a sequence of directions; and a selection component to facilitate selection by the user of a desired linguistic object wherein the object evaluation component matches the sequence of directions against predetermined sequences of directional values associated with each linguistic object and identifies at least one linguistic object whose associated directional values minimize differences with the sequence of directions. - View Dependent Claims (23, 24, 25, 26, 27)
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Specification