Keyboard Character Preview via Finger Position Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Users of smaller electronic devices with limited keyboard space often enter incorrect characters due to lack of physical indicators, leading to slowed operation and increased errors in text input.
Innovation Solution
Implementing a method where characters associated with touched keys are previewed in an alternate format in the information entry field, with the order determined by rules such as relative keyboard position, usage frequency, or word prediction, allowing users to accurately input characters without looking at the keyboard.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If physical indicators are added to smaller keyboards to help users locate keys, then input accuracy is improved, but device size and portability are compromised
Solution Approach 1:
The patent creates a visual copy of the keyboard layout and character mappings displayed on the screen. This digital representation allows users to reference key positions and expected character outputs without physical indicators on the hardware itself, maintaining small device form factor while improving input accuracy through visual feedback.
Solution Approach 2:
The patent introduces a software intermediary layer between the physical keyboard and the input field. This intermediary displays previewed characters and keyboard layout information on the screen, mediating the user's interaction by providing visual guidance without requiring physical modifications to the keyboard hardware.
2Measurement precision
If users look at the keyboard to determine finger position on smaller devices, then input accuracy is improved, but operation speed is reduced
Solution Approach 1:
The patent implements a feedback mechanism that displays previewed characters on the screen corresponding to the physical keyboard layout. This visual feedback allows users to confirm their finger position and expected character output without looking at the keyboard itself, maintaining both accuracy and speed by providing information in the user's natural viewing area.
Solution Approach 2:
The patent performs preliminary action by displaying the keyboard layout and character previews before the user completes their input. This advance visual information preparation allows users to maintain focus on their typing action rather than constantly referencing key positions, thereby preserving operation speed while improving accuracy.
3Device complexity
If characters are previewed in the order they appear on the keyboard, then system complexity is reduced, but user efficiency is worsened when typing non-sequential characters
Solution Approach 1:
The patent implements a dynamic character preview system that adapts the preview order based on the user's typing context and keyboard position. Rather than a static fixed order, the system dynamically determines which characters to preview first based on the current state, allowing efficient character selection while maintaining manageable system complexity through intelligent ordering algorithms.
Data Source
AI summary
Systems and methods are provided for detecting a touch of a first key associated with a first character on the keyboard, detecting a touch of a second key corresponding to a second character on the keyboard, determining an order for previewing the first and second characters in response to the detecting, and previewing the first and second characters in the determined order in an information entry field of the electronic device.