Magnetic Hinge Assembly Stabilizing Display Orientation
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Solution Overview
Problem
Existing computing devices with hinge assemblies face challenges in maintaining stable orientations due to gravitational forces, often requiring significant friction to prevent unwanted rotation, which can lead to damage and user discomfort.
Innovation Solution
Incorporating a hinge assembly with radially magnetized permanent magnets that generate restoring torques, allowing for adjustable orientations with minimal user effort by counteracting gravitational torque, thus reducing the need for excessive friction and enhancing structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If significant friction is used to maintain stable orientations, then stability is improved, but user comfort deteriorates and damage risk increases
Solution Approach 1:
The patent applies the anti-weight principle by introducing a magnetic field that generates a counter-torque to balance the gravitational torque. The magnetic restoring torque acts as a counterbalancing force that offsets the destabilizing effect of gravity, allowing the display housing to maintain stable orientations without relying on excessive friction. This resolves the contradiction by providing stability through magnetic counterbalancing rather than mechanical friction, thereby improving user comfort and reducing damage risk.
Solution Approach 2:
The patent replaces the mechanical friction-based stabilization system with a magnetic field-based system. Instead of using significant friction between mechanical components to maintain stability, the invention uses permanent magnets to generate a magnetic restoring torque that counteracts gravitational effects. This substitution eliminates the need for high-friction mechanical contacts, thereby maintaining stability while improving ease of operation and reducing damage risk.
2Stability of the object's composition
If significant friction is used to prevent unwanted rotation, then stability is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical friction-based stabilization mechanisms with a simpler magnetic field system. By using permanent magnets arranged to generate a magnetic restoring torque, the invention achieves stability without requiring complex friction control mechanisms, multiple friction elements, or sophisticated mechanical structures. This substitution reduces device complexity while maintaining stability.
Solution Approach 2:
The magnetic field system provides self-regulating stabilization without requiring external control mechanisms. The permanent magnets automatically generate the restoring torque needed to counteract gravitational effects and prevent unwanted rotation, based solely on the relative positions of the magnets and the display housing. This self-service mechanism eliminates the need for complex control systems, sensors, or adjustable friction elements, thereby reducing device complexity.
3Stability of the object's composition
If excessive friction is applied to maintain orientation, then stability is improved, but structural integrity deteriorates due to damage risk
Solution Approach 1:
The patent replaces high-friction mechanical contacts with a magnetic field-based stabilization system. The permanent magnets generate a magnetic restoring torque that counteracts gravitational effects without requiring significant friction between mechanical components. This eliminates the high contact forces and stress concentrations that would otherwise compromise structural integrity, thereby maintaining stability while preserving strength.
Solution Approach 2:
The magnetic restoring torque acts as a counterbalancing force that offsets gravitational torque, preventing the display housing from rotating to unstable positions. By providing this counterbalancing magnetic force, the system maintains stability without relying on high-friction mechanical contacts that would generate damaging stresses, thus preserving structural integrity.
4Stability of the object's composition
If friction-based stabilization is used, then orientation stability is improved, but ease of operation deteriorates due to user discomfort
Solution Approach 1:
The magnetic field generates a counter-torque that balances gravitational torque, creating a neutral buoyancy effect that makes the display housing easy to position and hold at various orientations. The magnetic restoring torque counteracts the weight of the display housing, reducing the effort required by the user to maintain desired orientations and eliminating the discomfort associated with high-friction mechanical systems.
Solution Approach 2:
The patent replaces the friction-based mechanical stabilization system with a magnetic field-based system that provides smooth, frictionless operation. The permanent magnets generate a magnetic restoring torque that allows the display housing to be easily positioned and held at various orientations without the resistance and discomfort caused by high-friction mechanical contacts, thereby improving user comfort while maintaining orientation stability.
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 magnetic hinge assembly stabilizes device orientations with reduced friction, minimizing the risk of damage and improving user experience by allowing easy adjustments with minimal force, while also enabling lighter, thinner display housings.
Implementation Method 1
permanent magnets that generate a first magnetic field and a second magnetic field
Implementation Method 2
hinge assembly includes permanent magnets that generate a first magnetic field and a second magnetic field orientable with respect to each other
Implementation Method 3
generate a clockwise restoring torque responsive to rotation in a first rotational direction from the aligned orientation, and generate a counterclockwise restoring torque responsive to rotation in a second, opposite rotational direction
Data Source
AI summary
A system can include a first housing that includes a processor and memory accessible to the processor; a second housing that includes a display operatively coupled to the processor; a hinge Fassembly that rotatably couples the first housing and the second housing, where the hinge assembly includes permanent magnets that generate a first magnetic field and a second magnetic field orientable with respect to each other via rotation of the second housing with respect to the first housing, where the first magnetic field and the second magnetic field include an aligned orientation, generate a clockwise restoring torque responsive to rotation in a first rotational direction from the aligned orientation, and generate a counterclockwise restoring torque responsive to rotation in a second, opposite rotational direction from the aligned orientation.