Touch Screen Display Area Control for Holding Detection
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Solution Overview
Problem
Touch screen devices often misinterpret a user's hold as an intentional touch, leading to accidental menu selection and obstruction of content view, and fail to adapt to individual user characteristics such as finger size and touch type, reducing user convenience.
Innovation Solution
A method and apparatus that detect touch intentions by analyzing touch time and area size to differentiate between holding and activating functions, selectively changing the display area to prevent obstruction and optimize visibility, and adjust based on 3D orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the user holds the touch screen device with a finger, then the device can be stably held, but the finger covers part of the touch screen preventing the user from viewing the entire content and manipulating menu icons
Solution Approach 1:
The patent applies dynamics by making the display area adaptable and changeable based on real-time detection of finger position and device orientation. The system dynamically adjusts which portions of the screen are used for display versus interaction, allowing the visible display area to expand into regions not blocked by the user's finger while maintaining holding stability.
2Ease of operation
If the touch screen device displays menu icons overlying the content, then the user can select desired menus, but the finger used for holding covers part of the menu icons preventing manipulation
Solution Approach 1:
The patent applies segmentation by dividing the touch screen into multiple functional zones: a first area for display content, a second area for menu icons, and a third area for user interaction. This segmentation allows menu icons to be displayed in regions not blocked by the holding finger while maintaining ease of operation through dedicated interaction zones.
3Extent of automation
If the touch screen device interprets all touches as intentional selections, then the system responds to user input, but accidental menu selection occurs when the user merely holds the device
Solution Approach 1:
The patent applies feedback by using sensors to detect touch characteristics such as pressure, duration, and position, then using this feedback to distinguish between intentional selections and accidental touches during device holding. The system adjusts its response based on the detected touch pattern, improving reliability by avoiding false activations.
4Adaptability or versatility
If the touch screen device does not adapt to individual user characteristics, then the device works for all users, but user convenience is reduced due to varying finger sizes and touch types
Solution Approach 1:
The patent applies parameter changes by adjusting detection thresholds and sensitivity parameters based on detected user characteristics such as finger size and touch pressure patterns. The system modifies operational parameters like touch activation thresholds and display area allocations to adapt to individual users, improving convenience without excessive complexity.
Data Source
AI summary
A method of controlling a display area of a touch screen device includes detecting a touch on the display area of the touch screen device; determining whether the detected touch is being used to hold the touch screen device or to activate a function of the touch screen device; and selectively changing the display area of the touch screen device based on a result of the determination.