Terminal Text Tool Window for Character Recovery
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Solution Overview
Problem
User interfaces on terminals, such as touch screens, lack functionality for easy input, deletion, correction, and recovery of characters, leading to inconvenience when correcting typographical errors, as moving a cursor to the error often results in deletion of correctly input character strings.
Innovation Solution
A method and terminal implementation that displays a text tool window, allows character string input, deletion, and recovery, enabling users to easily recover deleted characters through simple touch operations, including automatic recovery upon specific input actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a cursor is moved to a character having a typographical error to correct the error, then the error can be located and corrected, but a portion of a character string that has been correctly input is deleted
Solution Approach 1:
The system performs preliminary action by automatically recovering the deleted character string after correction. When the user completes correction of a typographical error, the system proactively restores the previously deleted correct character string, preventing loss before the user can re-type it.
2Measurement precision
If traditional character correction methods are used on touch screens, then typographical errors can be corrected, but user convenience is reduced due to complex operations
Solution Approach 1:
The system implements self-service by automatically managing the recovery of deleted character strings without requiring additional user actions. The terminal itself performs the recovery operation based on detection of the correction completion, eliminating the need for users to manually restore deleted text.
3Manufacturing precision
If character deletion is performed to correct errors, then incorrect characters are removed, but time is lost requiring re-input of deleted correct characters
Solution Approach 1:
The system uses feedback by detecting when a correction operation is completed and automatically triggering the recovery of the deleted character string. This closed-loop feedback mechanism ensures that the deletion operation does not result in permanent loss, as the system responds to the correction completion by restoring the original correct text.
Data Source
AI summary
A method for operating a terminal according to one embodiment of the present invention comprises the steps of: displaying a text tool window; receiving an inputted character sequence and displaying all of the received character sequences on the displayed text tool window; receiving an input for deleting characters for deleting a portion of the character sequences from among all of the displayed character sequences; receiving an input for recovering characters for recovering the deleted portion of the character sequences; and recovering and displaying the deleted portion of the character sequences according to the received input for recovering characters.