Virtual Keyboard Suggested Character Display
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Solution Overview
Problem
Existing virtual keyboard systems face challenges in user convenience and input accuracy due to suggested characters overlapping with basic keys, leading to difficulty in inputting strokes accurately.
Innovation Solution
A display apparatus and method that suggests characters likely to follow the input key without overlapping with basic keys, by arranging suggested characters on the side of the input key, changing their shape, or displaying them transparently, ensuring they do not block adjacent keys, and controlling their visibility based on user input and mode changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If suggested characters are displayed on the virtual keyboard to improve input accuracy, then input accuracy is improved, but basic keys are blocked leading to difficulty in key identification
Solution Approach 1:
The patent displays suggested characters in a different spatial dimension by positioning them at corners of the stroke-input key rather than in the central area. This corner-based positioning allows suggested characters to be visible without blocking the basic keys, resolving the contradiction between providing input suggestions and maintaining key identifiability
Solution Approach 2:
The patent applies different display characteristics to different regions of the keyboard interface. Basic keys are displayed with standard visibility in their designated areas, while suggested characters are displayed with modified properties (corner positioning, potential transparency changes) specifically in the corner regions, allowing both elements to coexist without interference
2Ease of operation
If suggested characters are displayed prominently to improve user convenience, then user convenience is improved, but adjacent keys are blocked making accurate stroke input difficult
Solution Approach 1:
By moving suggested characters from the central key area to the corner regions, the patent creates separate functional zones. This spatial separation ensures that prominent display of suggestions does not interfere with the precision required for stroke input on adjacent keys, as the corners provide adequate clearance from key boundaries
Data Source
AI summary
A display apparatus is provided. The display apparatus includes: a display configured to display a virtual keyboard; an inputter configured to receive a stroke input on a key on the virtual keyboard; and a controller configured to display a character which corresponds to the key in an input window in response to the stroke input being received, and configured to perform a control operation to suggest at least one character that is likely to follow a character which corresponds to the key and display the at least one suggested character. The at least one suggested character is displayed so as not to overlap a character of a basic key on the virtual keyboard.