The patent's inventor is Roper, Colin J. (
This patent was filed on
From the background information supplied by the inventors, news correspondents obtained the following quote: "The present disclosure relates to techniques for correcting shift errors that arise when a user provides input through a user interface, where the shift error is caused by a shift in a position of a finger or a hand of the user relative to the user interface.
"While alternative user interfaces (such as those based on voice recognition) are becoming increasingly popular, user interfaces that make use of a keyboard are still widely used. However, using a keyboard can be frustrating. For example, errors often occur when a user types in information. In some cases, spell checkers and other software tools can automatically correct such errors or suggest alternatives to a user.
"Nonetheless, many information-entry errors, such as shift errors, are not addressed by existing spell checkers or related software tools. In these cases, the errors either go unnoticed (and, thus, uncorrected) or users are forced to retype the information. This additional effort is time consuming, and can reduce user satisfaction and the sales of products that include user interfaces with keyboards."
Supplementing the background information on this patent, VerticalNews reporters also obtained the inventor's summary information for this patent: "The disclosed embodiments relate to a computer system that corrects a shift error. During operation, the computer system receives an input from a user of a user interface. Then, the computer system compares the input to a pre-determined set of phrases associated with user-interface errors, where the user-interface errors include shift errors in a position of a finger or a hand of the user relative to the user interface. Moreover, the computer system identifies a correct input based on the comparisons, thereby facilitating correction of the shift error that occurred when the user provided the input through the user interface. Next, the computer system provides feedback to the user.
"Note that the user interface may include: a physical keyboard, a virtual keyboard, an alphanumeric user-input device and/or a number pad. Furthermore, key-pad positions in the user interface may have fixed locations and sizes.
"Moreover, the shift error may be along a direction in a plane of the user interface (such as a horizontal or a vertical direction). Alternatively, the shift error may include components along two directions in a plane of the user interface (such as components along the horizontal and the vertical directions).
"Furthermore, the set of phrases may include misspelled words associated with the shift errors. Note that, if the input includes a string corresponding to multiple words, comparing the multiple words and the set of phrases may facilitate identification of the correct input. If multiple correct input candidates are identified during the comparing operation, the computer system may weight the correct input candidates based on the magnitude of the shift error, thereby facilitating identification of the correct input.
"In some embodiments, the shift error is associated with a position of either or both of the user's hands relative to the user interface. Additionally, the correct input may also be based on a history of user-specific shift errors.
"Note that the feedback may include correcting the received input or providing a suggestion to the user that includes the correct input.
"Another embodiment provides a method that includes at least some of the operations performed by the computer system.
"Another embodiment provides a computer-program product for use with the computer system. This computer-program product includes instructions for at least some of the operations performed by the computer system."
For the URL and additional information on this patent, see: Roper, Colin J.. Technique for Correcting User-Interface Shift Errors. U.S. Patent Number 8639494, filed
Keywords for this news article include: Software,
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