Clutch Assembly Magnetic Sensor for Display Angle Detection
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Solution Overview
Problem
Portable electronic devices face challenges in determining the angle of their display due to space constraints and susceptibility to external magnetic interference, affecting power management and accuracy.
Innovation Solution
Integration of a magnetic element and sensor within the clutch assembly to generate and detect a magnetic field, allowing for precise angle determination between the device's cases, reducing interference and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a detection mechanism is used to determine device configuration, then power management capability is improved, but device space is consumed
Solution Approach 1:
The patent combines the angle detection function with the existing clutch assembly structure. The magnetic element is integrated into the clutch assembly, allowing the detection mechanism to share space with the mechanical hinge components rather than occupying separate device volume. This merging enables configuration detection for power management while minimizing additional space consumption.
2Adaptability or versatility
If a detection mechanism is used to determine device configuration, then power management capability is improved, but accuracy is reduced due to magnetic interference
Solution Approach 1:
The patent introduces a magnetic element as an intermediary within the clutch assembly to generate a controlled magnetic field for angle detection. By positioning this magnetic element within the existing clutch structure, the system creates a localized magnetic reference that is less susceptible to external magnetic interference, thereby improving detection accuracy while enabling power management functionality.
3Volume of moving object
If the magnetic element is positioned within the clutch assembly, then space usage is optimized, but the magnetic field may be affected by nearby components
Solution Approach 1:
The patent applies local quality by positioning the magnetic element at a specific location within the clutch assembly where it can generate an effective magnetic field for angle detection while being shielded from or isolated from nearby components that might cause interference. The magnetic element is strategically placed to optimize its magnetic field characteristics in the local detection zone, ensuring accurate angle measurement despite the confined space and proximity to other device components.
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
This solution enables accurate detection of the display angle, enhancing power management and reducing external interference, thereby improving the device's operational efficiency and accuracy.
Implementation Method 1
a magnetic element capable of generating a magnetic field, where the magnetic field is characterized as having a magnetic field orientation
Implementation Method 2
a magnetic sensor capable of determining an angle between the first case and the second case based on the magnetic field orientation
Data Source
AI summary
This application relates to a portable electronic device. The portable electronic device includes a housing including (i) a lower case, and (ii) an upper case pivotally coupled to the lower case with a hinge assembly. The housing includes a processor capable of providing instructions, an operational component in communication with the processor, where the processor is capable of executing a function, and a magnetic detection system included within the hinge assembly. The magnetic detection system includes a magnetic element capable of generating a magnetic field, and a magnetic sensor capable of determining an angle between the lower case and the upper case based on the magnetic field, where when the processor determines that the angle between the lower case and the upper case satisfies a predetermined threshold angle, the processor provides the instructions to the operational component to execute the function.