Driving Module Position Detection for Imaging Restoration
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Solution Overview
Problem
The initialization process of webcams is time and labor-consuming due to the inefficient restoration of the imaging module, affecting user experience.
Innovation Solution
A driving module with a circuit board, rotating member, and power source, where the control circuit determines the electric states of conductive portions to drive the rotating member, allowing for precise positioning and efficient restoration of the imaging module.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a sensing switch is used to determine restoration completion by continuous movement, then the imaging module can be restored to the correct position, but the initialization process becomes time-consuming and inefficient
Solution Approach 1:
The patent applies preliminary action by pre-establishing multiple conductive portions at different positions on the circuit board before the restoration process begins. These conductive portions are arranged along the rotating path of the abutment, allowing the system to detect position information immediately upon activation without requiring continuous movement and sensing switch triggering. This pre-arranged conductive structure enables the control circuit to determine the rotating member's position and drive direction in advance, significantly reducing initialization time while maintaining position detection accuracy.
Solution Approach 2:
The patent replaces the mechanical sensing switch system with an electrical conduction detection system. Instead of using a mechanical sensing switch that requires physical contact and continuous movement to detect position, the system uses conductive portions that create electrical contact paths when the abutment rotates over them. The control circuit detects changes in electrical conduction state to determine position, replacing the mechanical sensing approach with an electrical detection method that is faster and more efficient for initialization purposes.
2Reliability
If continuous movement through the movement mechanism is used for restoration, then the imaging module can be reliably positioned, but the process becomes complex and labor-consuming
Solution Approach 1:
The patent applies segmentation by dividing the restoration process into discrete position detection points along the rotating path. Multiple conductive portions are segmented and positioned at different locations, allowing the control circuit to detect the rotating member's position at specific intervals rather than requiring continuous sensing throughout the entire movement. This segmented approach simplifies the restoration process by identifying key position checkpoints, reducing process complexity while maintaining reliability through accurate position detection at critical points.
Solution Approach 2:
The patent implements feedback by having the control circuit continuously monitor the electrical conduction state between the abutment and conductive portions during the restoration process. When the abutment makes contact with a conductive portion, the change in electrical conduction state provides immediate feedback to the control circuit, which then adjusts the driving signal to the power source accordingly. This feedback mechanism ensures reliable positioning by allowing real-time monitoring and adjustment of the restoration process, while simplifying control logic compared to continuous mechanical sensing.
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 significantly reduces the time and processes required for initialization, enhancing the efficiency and user experience by accurately determining the rotating state and location of the rotating member.
Implementation Method 1
The first abutment constantly abuts against the first conductive portion
Implementation Method 2
The electric potential of the second conductive portion is changed when the second conductive portion is electrically conductive to the first conductive portion through the second abutment and the first abutment
Data Source
AI summary
A driving module including a circuit board, a rotating member rotatably disposed on the circuit board, and a power source mechanically linked to the rotating member and electrically connected to the control circuit is provided. The circuit board has a control circuit, a first conductive portion, and a plurality of second conductive portions. The first conductive portion and the second conductive portions are electrically connected to the control circuit respectively. The rotating member has a first abutment and a second abutment electrically connected to each other. The power source is controlled by the control circuit to rotate the rotating member relative to the circuit board. The first abutment constantly abuts the first conductive portion, and the second conductive portions are on a rotating path of the second abutment. A restoration method and an imaging device are also provided.