Foldable Computer Touch Surface Contact Detection
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Solution Overview
Problem
Laptop computers face damage from external pressure when stored, as there are no adequate solutions to detect and prevent contact between internal components and the touch-enabled surface while closed.
Innovation Solution
A foldable computer with a touch-enabled surface and storage that determines when a portion of the computer has contacted the surface, executing actions such as logging data, presenting warnings, or taking preventive measures to mitigate damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the foldable computer is closed for storage, then the computer can be compact and portable, but external pressure may cause damage to internal components from contacting the touch-enabled surface
Solution Approach 1:
The system performs preliminary detection of contact between the touch-enabled surface and other portions of the computer while closed, and executes warnings or preventive actions before actual damage occurs. The processor continuously monitors touch input during closed state and triggers protective measures upon detecting abnormal contact patterns.
Solution Approach 2:
The system provides feedback to the user through warnings (visual, audible, or haptic) when contact between the touch-enabled surface and other portions is detected while closed. This feedback loop allows users to be alerted to potential damage conditions and take corrective action.
2Reliability
If the touch-enabled surface is monitored continuously to detect contact, then damage can be detected early, but energy consumption increases
Solution Approach 1:
The system employs periodic monitoring of touch input rather than continuous monitoring. The processor checks for touch input at predetermined intervals or upon detection of specific conditions (such as closure of the device), balancing reliable detection with energy conservation by keeping the monitoring function active only when necessary.
3Reliability
If warning actions are executed when contact is detected, then users are alerted to potential damage, but device complexity increases
Solution Approach 1:
The system utilizes the existing touch-enabled surface for dual purposes: normal user interaction and detection of harmful contact during closed state. The same touch sensor infrastructure serves both functions, eliminating the need for separate detection hardware and reducing overall device complexity while maintaining reliable damage prevention capability.
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 solution effectively detects and alerts users to potential damage, reducing the risk of internal component damage from external pressure and allowing for data logging for diagnostic purposes.
Implementation Method 1
the capacitive element may include a capacitor and/or a capacitive coating
Data Source
AI summary
In one aspect, a laptop computer or other type of foldable computer may include a processor, a touch-enabled surface accessible to the processor, and storage accessible to the processor. The storage may include instructions executable by the processor to determine that, while the foldable computer is closed, a portion of the foldable computer has contacted the touch-enabled surface. Responsive to the determination, the instructions may be executable to execute at least one action at the foldable computer that is related to the portion contacting the touch-enabled surface while the foldable computer is closed.