Asymmetric Functional-Block Interface for Visually Impaired Control
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Solution Overview
Problem
Traditional user interfaces for visually impaired individuals often rely on visual cues, leading to confusion and inefficiency, especially in complex and high-stress environments, and there is a need for intuitive and efficient control mechanisms that integrate tactile, haptic, and audible feedback.
Innovation Solution
An asymmetric interface system with uniquely oriented functional blocks, separated by tactile guides and featuring distinct haptic and audible cues, allowing users to navigate without visual input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional visual interfaces are used, then the interface design is simple and symmetric, but visually impaired users experience confusion and inefficiency in navigation and control
Solution Approach 1:
The patent applies asymmetry by creating non-uniform spacing between controls within each block, where controls are positioned at asymmetric distances from reference edges. This asymmetric arrangement provides unique spatial relationships that visually impaired users can perceive through touch, enabling them to distinguish control positions and functions without visual input, thereby resolving the contradiction between simple interface design and effective navigation for visually impaired users
Solution Approach 2:
The interface is segmented into multiple functional blocks, each containing a subset of controls. This segmentation organizes the complex interface into manageable sections, allowing visually impaired users to navigate and understand the interface structure systematically. Each block can be independently explored through tactile feedback, preventing information overload and improving navigation efficiency
2Adaptability or versatility
If complex control systems are integrated, then the system functionality is enhanced, but the interface complexity increases making it harder to use
Solution Approach 1:
The control interface is divided into multiple functional blocks, each dedicated to specific system functions. This segmentation allows complex functionality to be organized into manageable sections, reducing the perceived interface complexity while maintaining comprehensive system capabilities. Users can navigate to specific functional blocks as needed without being overwhelmed by the entire interface at once
Solution Approach 2:
Each functional block employs asymmetric control spacing tailored to its specific function, creating locally optimized control arrangements. This local quality approach allows each block to be customized for its purpose while maintaining overall interface coherence, enabling complex system functionality to be accessed through simplified, function-specific control patterns
3Ease of operation
If symmetric control layouts are used, then the interface is easy to manufacture and understand, but it provides insufficient tactile differentiation for visually impaired users
Solution Approach 1:
The patent implements asymmetric spacing of controls within each functional block, where controls are positioned at non-uniform distances from reference edges. This asymmetric arrangement creates unique tactile signatures for each control position, enabling visually impaired users to differentiate controls through touch alone. The asymmetry is applied systematically within each block, maintaining manufacturing feasibility while providing superior tactile differentiation
Data Source
AI summary
An asymmetric interface for manipulating a system comprises a panel supporting a plurality of controls, where the plurality of controls is divided into a plurality of functional blocks based upon underlying system function, and wherein the controls of each block have an asymmetric relationship to each other and a unique orientation with respect to the orientation of controls in other blocks.