Computing Device Hinges for Stable Multi-Posture Display Positioning
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Solution Overview
Problem
Computing devices with touch-screen displays face challenges in transitioning between operating postures, such as laptop and studio modes, due to increased footprint and operational inconvenience when opened for use.
Innovation Solution
A computing device equipped with multiple hinges, including a base hinge and a display hinge, which utilize friction coefficients to maintain angular positions, allowing seamless transitions between laptop, studio, and closed configurations, enabling versatile operation in various situations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the computing device is opened for use, then the display can be accessed and operated, but the footprint of the device increases and it becomes inconvenient for portable use
Solution Approach 1:
The computing device is divided into separate components (display assembly and base) connected by hinges, allowing the display to be independently positioned at various angles. This segmentation enables the device to be opened for display access while maintaining a compact base footprint.
Solution Approach 2:
The hinges incorporate friction mechanisms that allow the display to be dynamically adjusted to multiple angular positions and maintained stably at each position. This dynamic positioning capability enables the device to transition between compact closed state and various open operating states, balancing footprint and display accessibility.
2Adaptability or versatility
If the device transitions between different operating postures, then versatility is improved, but the complexity of the hinge mechanism increases
Solution Approach 1:
The hinge mechanism utilizes friction coefficient adjustments to enable the display to maintain various angular positions. By changing the friction parameter, the system achieves multiple stable operating postures (laptop mode, studio mode, intermediate positions) without requiring complex mechanical locking mechanisms, thus achieving versatility while controlling complexity.
3Stability of the object's composition
If friction is increased to maintain angular positions, then stability is improved, but the ease of adjusting the display position deteriorates
Solution Approach 1:
The hinge friction mechanism is designed to provide periodic stable positions at specific angles rather than continuous resistance. This allows the display to be easily adjusted to predetermined stable positions (such as laptop mode or studio mode) while maintaining stability once positioned, balancing ease of adjustment with position 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 device can efficiently switch between postures, maintaining stability and usability in different environments, such as confined spaces, by adjusting the display angle and position relative to the base, enhancing operational versatility and convenience.
Implementation Method 1
The first hinge has a first coefficient of friction sufficient to maintain a first angular position between the stand and the base
Implementation Method 2
The second hinge has a second coefficient of friction sufficient to maintain a second angular position between the display and the stand
Data Source
AI summary
A hinge of a computing device includes a primary support connecting a display to a stand. As the display rotates about the stand, the primary support slides along a friction strip, which stabilizes the display with respect to the stand. A stabilizer may connect the stand to the base or the stand to the display.