Dynamic Hinge Opening Resistance for One-Handed Device Access
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Solution Overview
Problem
Electronic devices with increased opening resistance for protection often make opening difficult, degrading the user experience.
Innovation Solution
An electronic device dynamically adjusts opening resistance by detecting user-applied forces and reducing resistance when an opening force is recognized, using sensors and mechanisms like magnets and hinges to facilitate easy opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If opening resistance is increased to protect vulnerable components, then component protection is improved, but ease of operation deteriorates
Solution Approach 1:
The hinge resistance is made dynamic rather than static. The system continuously monitors applied forces and adjusts the hinge resistance in real-time: maintaining high resistance when no opening force is detected to protect components, and reducing resistance when a user applies an opening force to facilitate easy opening. This dynamic adjustment resolves the contradiction between protection and ease of operation.
Solution Approach 2:
The system uses force sensors to detect user-applied forces and feeds this information back to the hinge control mechanism. When the sensor detects a force exceeding a threshold in an opening direction, the system responds by reducing hinge resistance. This feedback loop enables the hinge to automatically adapt its resistance level based on actual usage conditions, resolving the contradiction between maintaining high resistance for protection and low resistance for ease of opening.
2Stability of the object's composition
If strong hinge resistance is used to hold display in selected position, then position stability is improved, but ease of operation deteriorates
Solution Approach 1:
The hinge resistance is dynamically adjusted based on detected forces. When the device is stationary in a selected position, high resistance maintains position stability. When a user applies an opening force, the system detects this force and reduces resistance to assist opening, temporarily sacrificing stability for ease of operation. This dynamic behavior resolves the contradiction between stable positioning and easy opening.
Solution Approach 2:
Force sensors provide continuous feedback about applied forces to the hinge control system. When no force is detected, the hinge maintains high resistance for stable positioning. When opening force is detected, the feedback triggers resistance reduction to facilitate opening. This feedback mechanism enables the hinge to automatically balance position stability and ease of opening based on real-time conditions.
3Reliability
If high opening resistance is maintained, then device protection is improved, but user experience deteriorates
Solution Approach 1:
The system dynamically adjusts opening resistance based on detected user forces. During normal operation, high resistance protects the device by preventing accidental opening. When a user intentionally applies an opening force, the system detects this force and reduces resistance to provide a smooth, easy opening experience. This dynamic adjustment resolves the contradiction between device protection and user experience.
Solution Approach 2:
Force sensors continuously monitor applied forces and provide feedback to the resistance control system. When forces indicate intentional user opening action, the feedback triggers resistance reduction to enhance user experience. When no such forces are detected, high resistance maintains device protection. This feedback-driven approach resolves the contradiction between protection and user experience by adapting resistance to actual usage context.
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 allows for easy one-handed opening and reduces device sliding, enhancing user experience and preventing unintended movement on surfaces.
Implementation Method 1
the resistive force is applied by at least one of: a hinge of the electronic device, and magnets of the electronic device
Implementation Method 2
using a sensor on an underside of the electronic device to detect a force applied to a first portion of the electronic device
Data Source
Figure 1
Figure 2-1~2-2
Figure 2-3~2-4
AI summary
A method of controlling opening resistance in an electronic device includes maintaining the electronic device in a closed state via a resistive force, wherein the resistive force is applied by at least one of: a hinge of the electronic device, and magnets of the electronic device. The method further includes using a sensor on an underside of the electronic device to detect a force applied to a first portion of the electronic device and determining that the force corresponds to a user initiating opening of the electronic device. In accordance with the determination, the method further includes reducing the resistive force to assist the user in opening the electronic device.