Dynamic Touch Button Mapping for Mobile Devices
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Solution Overview
Problem
Current mobile devices face challenges in designing ideal key locations due to varying user holding and usage methods, making it difficult to accommodate different user interactions effectively.
Innovation Solution
A mobile device with a touch-sensitive outer surface that detects multiple simultaneous points of touch, allowing the processor to associate functions with specific fingers, enabling flexible user input methods regardless of device holding position, and adapting functions based on how the device is held and the active application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If buttons are placed in a fixed location on the device, then the device structure is simple, but it becomes difficult to accommodate different user holding and usage methods
Solution Approach 1:
The patent applies the dynamics principle by making the button locations dynamic rather than fixed. The touch-sensitive surface detects the position of user's fingers and automatically assigns functions to buttons based on real-time finger positions, allowing the interface to adapt as users hold the device in different orientations and positions.
Solution Approach 2:
The patent changes the parameter of button location from fixed spatial coordinates to dynamic positions determined by finger detection. The system monitors touch positions and adjusts which function is assigned to which physical location on the device surface, enabling the same hardware to serve multiple usage scenarios.
2Ease of operation
If the touch sensitive surface detects multiple simultaneous points of touch, then user input flexibility is improved, but the complexity of determining finger correspondence increases
Solution Approach 1:
The system performs self-service by automatically identifying which finger corresponds to which touch point without requiring explicit user input or complex manual configuration. The processor uses algorithms to infer finger identity based on touch position patterns, device orientation, and usage context, making the system self-identifying and self-adjusting.
Solution Approach 2:
The patent implements feedback mechanisms where the system continuously monitors touch positions and adjusts function assignments based on real-time data. The processor receives feedback about finger positions and automatically reassigns buttons to match current user interaction patterns, creating a responsive adaptive interface.
3Ease of operation
If functions are associated with specific fingers rather than fixed locations, then user friendliness is improved, but the learning curve for new users increases
Solution Approach 1:
The system performs preliminary action by pre-configuring the touch-sensitive surface with detection capabilities and pre-establishing the framework for finger-based function assignment. The processor is pre-programmed with algorithms to automatically identify fingers and assign functions, so when users begin interacting, the system is already prepared to adapt immediately without requiring training.
Solution Approach 2:
The system serves itself by automatically detecting which finger is being used and assigning the appropriate function without requiring users to learn fixed button layouts. The processor self-identifies finger positions and autonomously manages function assignments, eliminating the need for users to memorize location-function mappings.
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
Enhances user friendliness by reducing the learning curve and allowing users to hold the device comfortably, providing intuitive and adaptable input options that improve usability and accessibility.
Implementation Method 1
at least a substantial portion of the outer surface of the housing is touch sensitive, the touch sensitive portion of the outer surface is able to detect multiple simultaneous points of touch created by the touch of the fingers or fingertips of a user
Data Source
AI summary
A device is provided with a housing that has a substantial portion covered by a touch sensitive surface. The touch sensitive service is capable of detecting multiple simultaneous points of touch. The handheld device determines to which finger or fingertip of the user the points of touch correspond and the handheld device associates an input or control function with of the fingers of the user.