Maglev Camera Module Stabilization for 3D Hand Shake
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Solution Overview
Problem
Existing image stabilization methods in smartphones are inadequate for stabilizing camera lenses in three-dimensional space, particularly during vertical movements, leading to unstable image capture due to hand shake.
Innovation Solution
An electronic device with a camera module housed in a cavity, equipped with permanent magnets and coils, uses magnetic levitation to maintain the camera's spatial position unchanged, enabling instantaneous image stabilization in three-dimensional space through controlled magnetic fields.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic image stabilization or optical image stabilization is used, then image stabilization in two-dimensional space is achieved, but image shake in three-dimensional space (such as vertical camera lens reverse movement) cannot be resolved
Solution Approach 1:
The patent extends image stabilization from two-dimensional space (X and Y axes) to three-dimensional space by adding a coil that can generate magnetic fields in multiple directions. The coil is disposed on the inner wall of the cavity and can be controlled to generate magnetic forces that compensate for camera module movement in any direction, including vertical reverse movement that previous systems could not address.
Solution Approach 2:
The patent replaces traditional mechanical image stabilization mechanisms with a magnetic field-based system. Instead of using physical gears, motors, or optical components to stabilize the camera, the system uses electromagnetic fields generated by the coil to levitate and position the camera module, enabling three-dimensional stabilization without mechanical constraints.
2Reliability
If magnetic levitation is used to stabilize the camera module, then three-dimensional image stabilization is achieved, but device complexity increases due to additional components
Solution Approach 1:
The coil serves multiple functions within the camera apparatus: it generates magnetic fields for levitating the camera module, provides three-dimensional stabilization capability, and can be controlled to address various directions of shake. By making the coil multi-functional, the patent reduces the need for separate dedicated components for each function.
Solution Approach 2:
The camera module is disposed inside the cavity, with the coil positioned on the inner wall of the cavity. This nested arrangement allows the magnetic field generation components to be integrated within the existing camera structure rather than adding external components, thereby minimizing overall device complexity.
3Reliability
If permanent magnets and coils are added to the camera module, then instantaneous image stabilization in three-dimensional space is achieved, but manufacturing complexity increases
Solution Approach 1:
The permanent magnet is disposed on a specific surface of the camera module, and the coil is positioned on the inner wall of the cavity at a corresponding location. This localized arrangement concentrates the magnetic field generation and levitation functionality in specific areas, simplifying the overall assembly process compared to distributing components throughout the entire camera structure.
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 provides stable image capture by maintaining the camera's shooting direction consistent, enhancing image quality and user experience by addressing three-dimensional shake issues.
Implementation Method 1
permanent magnet disposed on the camera module; coil disposed on an inner wall of the cavity; uses magnetic levitation to maintain the camera's spatial position unchanged
Data Source
Figure 1~2a
Figure 2b~2c
Figure 3~4
AI summary
This application discloses an electronic device and a control method. The electronic device includes a controller, a power manager, a detector, and a camera apparatus, wherein the camera apparatus includes a camera module and a cavity; a permanent magnet is disposed on the camera module; a coil is disposed on an inner wall of the cavity; the camera module is disposed in the cavity; the controller is separately connected to the detector, the power manager, and the camera apparatus; and the power manager is connected to the camera apparatus.