Dynamic Input Repositioning for Hand Orientation Adaptation
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Solution Overview
Problem
Many computing devices, particularly mobile devices, are designed with a right-hand dominant orientation, making it difficult for left-hand dominant users to interact with the interface efficiently due to the positioning of selectable inputs, which can be obscured by the palm, leading to delayed selection and reduced usability.
Innovation Solution
The computing device includes instructions to dynamically alter the position of selectable inputs based on the user's hand orientation, using a test mode to determine which inputs are covered by the palm, and inversely positioning them to ensure visibility and accessibility for both right-hand and left-hand dominant users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If selectable inputs are positioned on the right side of the display for right-hand dominant users, then selection efficiency is improved for right-hand users, but left-hand dominant users experience obscured inputs and reduced usability
Solution Approach 1:
The patent implements dynamic repositioning of selectable inputs based on detected hand orientation. The system transitions from a static layout to a dynamic one where inputs automatically adjust their position between left and right sides of the display based on whether the user is holding the device with their left or right hand, thereby resolving the contradiction between optimizing for right-hand users and accommodating left-hand users.
Solution Approach 2:
The system changes the positional parameter of selectable inputs based on hand orientation detection. When the device detects a left-hand hold, it inverts the position parameter of inputs from the right side to the left side of the display, and vice versa. This parameter change allows the interface to adapt to different user configurations without requiring separate interface designs.
2Device complexity
If selectable inputs are positioned at fixed locations on the display, then interface design is simplified, but left-hand dominant users cannot access inputs without moving their hand, reducing selection speed
Solution Approach 1:
The patent transforms the static positioning of selectable inputs into a dynamic system that automatically adjusts based on hand orientation. This allows inputs to be repositioned without manual intervention, maintaining simplicity in the user experience while significantly improving selection speed for left-hand dominant users by placing inputs within easy reach based on their holding hand.
3Ease of operation
If the display layout is optimized for right-hand dominant orientation, then right-hand users experience better usability, but left-hand users have to move their hand to select inputs, increasing interaction time
Solution Approach 1:
The patent applies inversion by reversing the position of selectable inputs based on hand orientation. When the system detects that the user is holding the device with their left hand, it inverts the layout from the right-hand optimized configuration to a left-hand optimized configuration, effectively mirroring the input positions. This inversion eliminates the need for left-hand users to move their hands across the device, reducing interaction time while maintaining ease of operation.
Data Source
AI summary
In some examples, the disclosure describes a non-transitory memory resource storing machine-readable instructions stored thereon that, when executed, cause the processor resource to: identify a plurality of selectable input objects displayed on a user interface, determine a portion of the plurality of selectable input objects covered by a palm portion of a hand for a first designated hand orientation when the portion of the selectable inputs are selected by a finger, and alter a position of the determined portion of the plurality of selectable inputs to an inverse position, wherein the inverse position positions the portion of the plurality of selectable input objects to be covered by a palm portion of a hand for a second designated hand orientation.