Deformable Input Structure with Tactile Overlay
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Solution Overview
Problem
Traditional user input devices, such as keyboards and touch screens, lack adaptability and provide limited tactile feedback, restricting user interaction and experience.
Innovation Solution
A user input device with a deformable structure that includes a first and second layer, where the second layer is offset from the first, allowing for localized collapse and providing tactile feedback through geometric features and haptic feedback mechanisms, simulating the experience of typing on a mechanical keyboard without mechanical mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical support structures and switching mechanisms are used in traditional keyboards, then structural stability is improved, but adaptability and tactile feedback quality deteriorate
Solution Approach 1:
The patent replaces traditional mechanical support structures and switching mechanisms with a deformable structure comprising multiple layers (including a deformable layer and a support layer) that provides tactile feedback through controlled deformation rather than mechanical switching. This substitution eliminates complex mechanical components while maintaining structural stability and enhancing adaptability.
Solution Approach 2:
The patent utilizes changes in the physical parameters of the deformable structure, specifically its stiffness and deformability characteristics, to provide tactile feedback. By carefully designing the deformable layer with appropriate material properties and geometric features (such as protrusions and recesses), the system achieves both structural stability and enhanced adaptability to different input forces.
2Reliability
If mechanical support structures are used in traditional keyboards, then structural stability is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical support structures and switching mechanisms with a simplified deformable structure consisting of layered materials. This substitution dramatically reduces device complexity by eliminating numerous mechanical components (scissor mechanisms, butterfly mechanisms, individual switches) while maintaining structural stability through the engineered deformable and support layers.
Solution Approach 2:
The patent employs composite material structures, combining a deformable layer with a support layer to achieve both structural stability and simplified design. The composite nature of these layers provides the necessary mechanical properties without requiring complex individual components, thereby reducing overall device complexity.
3Device complexity
If touch screens provide limited tactile feedback, then device simplicity is maintained, but user interaction quality deteriorates
Solution Approach 1:
The patent enhances user interaction quality by utilizing controlled changes in the physical parameters of the deformable structure. When a user applies force to the input surface, the deformable layer deforms and provides tactile feedback through geometric features (protrusions, recesses, varying stiffness regions), creating a more engaging and informative user experience while maintaining relative device simplicity.
Solution Approach 2:
The patent replaces the limited tactile feedback of traditional touch screens with a deformable structure that provides enriched tactile information through controlled deformation. This substitution enhances user interaction quality by allowing users to perceive force magnitude, contact location, and feedback intensity through the deformable surface, while avoiding the complexity of traditional mechanical keyboard mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The deformable structure enhances user interaction by providing customizable tactile feedback and haptic effects, improving the typing experience and adaptability to various user preferences and environments.
Implementation Method 1
The geometric feature may be configured to collapse the deformable structure at a localized region in response to a force input
Implementation Method 2
an input structure configured to produce an electrical response based on a magnitude of the force input
Data Source
AI summary
Embodiments are directed to an input device and methods related to the use thereof. The embodiment may include a deformable structure. The deformable structure may include a first layer defining an input surface and a second layer coupled to, and offset from, the first layer. At least one of the first layer or the second layer may define a geometric feature (e.g., including a protrusion, embossed portion, or other feature of one or both of the first and second layers). The geometric feature may be configured to collapse the deformable structure at a localized region in response to a force input. The embodiment may further include an input structure configured to produce an electrical response based on a magnitude of the force input.