Multi-Directional Edge Cap for Mobile Device Input
Solution Overview
Problem
Mobile electronic devices face space constraints and accessibility issues for input mechanisms, particularly for users with physical disabilities, due to compact designs and the placement of function keys on device edges.
Innovation Solution
An input mechanism featuring a cap that is actuatable from multiple directions, allowing activation of functions from different angles, including the front and sides of the device, thereby efficiently utilizing limited space and enhancing accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If function keys are placed on the edges of the device to save space, then the device can be more compact, but it becomes difficult for users with physical disabilities to operate the keys when the device is lying flat
Solution Approach 1:
The cap is designed to wrap around the edge of the device and can be actuated from multiple directions (front, side, and angled directions) rather than a single direction. This multi-directional actuation capability allows users to access the function key from different angles, improving accessibility while maintaining device compactness.
2Adaptability or versatility
If more function keys are added to the device, then functionality is improved, but the device size increases
Solution Approach 1:
A single cap structure serves multiple functions by being actuable from different directions. The same physical component can trigger different functions depending on which direction it is pushed, effectively providing multiple function keys in a single compact component, thereby improving functionality without increasing device size.
3Area of stationary object
If the display screen is made larger to improve user interface, then display quality is improved, but less room is available for input mechanisms
Solution Approach 1:
The input mechanism utilizes the edge/dimension around the device rather than consuming surface area on the front face. By wrapping around the edge and allowing multi-directional actuation, the input mechanism effectively uses three-dimensional space around the device, preserving front surface area for the display while providing accessible input functionality.
Data Source
Figure 1
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AI summary
An input mechanism for a mobile electronic device is disclosed. A cap shaped to wrap around an edge of the mobile electronic device is moveable in a first direction and a second direction. A first switch for activating a first function is covered by the cap and actuatable upon movement of the cap in the first direction toward the first switch. A second switch for activating a second function is covered by the cap and actuatable upon movement of the cap in the second direction toward the second switch.