Interleaved Character Selection Interface for Accurate Text Input
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Solution Overview
Problem
Existing electronic devices face challenges in providing accurate and efficient text input due to the compromise on button size for compactness, leading to inaccurately entered data.
Innovation Solution
The implementation of an improved computer-processor implemented interface and method that uses overlapping selection buttons of two kinds, distinguished by input selection gestures, to enhance text input accuracy and speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If selection buttons are made smaller to achieve compactness, then device portability and space utilization are improved, but button selection accuracy deteriorates
Solution Approach 1:
The patent transitions from a single row of buttons to a two-dimensional grid layout with multiple rows and columns. This dimensional expansion allows buttons to be arranged in a compact grid pattern that fits within limited device space while maintaining adequate size for accurate selection. The grid structure enables efficient use of vertical and horizontal space simultaneously.
Solution Approach 2:
The patent segments the button interface into multiple rows and columns, creating a structured grid arrangement. This segmentation organizes the selection buttons in a systematic pattern that optimizes both space utilization and selectability. Each button occupies a defined position in the grid, making the interface compact while preserving clear boundaries for accurate button pressing.
2Measurement precision
If selection buttons are made larger to improve selection accuracy, then button selection precision is improved, but device compactness deteriorates
Solution Approach 1:
By expanding from a single row to a multi-row grid structure, the patent accommodates larger button sizes without increasing the overall device footprint. The vertical dimension provides additional space for multiple rows of buttons, allowing each button to maintain adequate size for accurate selection while the compact grid layout keeps the total interface area small.
Solution Approach 2:
The patent merges multiple rows of buttons into a compact grid structure that functions as a unified interface. This combining of multiple button rows into an integrated grid allows efficient space utilization while maintaining proper spacing and size for each individual button, achieving both compactness and selectability.
3Ease of operation
If traditional non-overlapping button arrangement is used, then button boundaries are clear and selection is simple, but space utilization is inefficient
Solution Approach 1:
The patent utilizes a two-dimensional grid arrangement where buttons are positioned in multiple rows and columns with controlled overlaps. This dimensional approach allows buttons to share boundary regions efficiently, maximizing space utilization while maintaining clear visual distinction and unambiguous selection through the overlay mechanism.
Solution Approach 2:
The patent implements a dynamic button selection mechanism where overlapping buttons are distinguished by different states or properties (such as active/inactive, selected/not selected). This dynamic differentiation allows the interface to maintain selection simplicity despite the overlapping arrangement, as the system actively manages which button is currently selectable based on user interaction.
4Volume of moving object
If overlapping selection buttons are implemented to improve space utilization, then space efficiency is improved, but button selection complexity increases
Solution Approach 1:
The patent employs dynamic state management for overlapping buttons, where the selection system actively determines which button is currently active or selectable based on user input and button properties. This dynamic approach simplifies the selection process despite overlapping arrangements, as the system automatically manages ambiguity through state differentiation and active selection tracking.
Solution Approach 2:
The patent incorporates feedback mechanisms that provide visual or tactile confirmation of button selection status. This feedback system helps users understand which overlapping button is currently selectable or active, reducing the perceived complexity of the selection process. The feedback loop ensures that despite the overlapping arrangement, users receive clear information about their selection state.
Data Source
AI summary
Apparatus and methods are disclosed for selection of characters from an electronic user interface. In one embodiment, a letter selection interface displays letters in a row, some of which are recordable by an input interpreter and others that are unrecordable. In one embodiment, unrecordable letters visually separate letters that are both (1) recordable, and (2) assigned to different but adjacent selection buttons. In response to received touch-screen activations, an interpreter records recordable letter selections and a display displays both recordable and unrecordable letter selections. The interpreter composes a sequence of the recorded letters. An algorithm identifies alternatives to the recorded sequence by editing one or more letters of the sequence, such that each edit changes a selected letter to an adjacent unrecordable letter. The algorithm outputs words that match the originally composed sequence or one of the identified alternatives.