Character Input Device with Overlapping Candidate Display
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Solution Overview
Problem
Users face difficulty in recognizing the character group corresponding to their desired character in existing character input devices, hindering smooth character input.
Innovation Solution
A character input device with focused character group specification information and currently selected input candidate specification information, allowing for distinct display of character groups and input candidates, enabling users to easily select characters by moving a focus point and updating displayed information accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users select character groups and characters in existing character input devices, then character input function is achieved, but users cannot instantly recognize the character group corresponding to their desired character, hindering smooth input
Solution Approach 1:
The patent implements feedback by displaying the correspondence between character groups and their associated characters on the screen. When a user selects a character group, the corresponding characters are immediately presented for selection, providing visual feedback that confirms the correct group is selected and enabling smooth character input.
Solution Approach 2:
The patent applies preliminary action by pre-organizing characters into groups and pre-displaying the correspondence between groups and characters before user selection. This preparation allows users to quickly recognize and select the desired character group without hesitation, improving input efficiency.
2Loss of information
If character groups and characters are displayed in existing character input devices, then character selection is enabled, but the display does not provide clear visual feedback for the selected group and character
Solution Approach 1:
The patent applies local quality by providing distinct visual presentation for different elements: character groups are displayed with their correspondence to associated characters, and the currently selected character is highlighted with special visual markers. This differentiated local presentation ensures clear visual feedback without requiring complex overall display structures.
Data Source
AI summary
Methods and apparatus provide for displaying a plurality of character key images in a first display area on the computing device, each character key image representing and being associated with at least one of the character groups, each character group including a plurality of characters; and displaying, in a case where one of the character key images is selected by a user of the computing device, a plurality of input candidate characters in a second display area on the computing device, the plurality of input candidate characters including at least some of the plurality of characters in the character group associated with the selected one of the character key images, the second display area being set in a partially overlapping manner over the first display area.