Image Capture Display Terminal Shared Signal Interface
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Solution Overview
Problem
The increasing number of camera modules in electronic terminals for improved image quality leads to increased components and wiring complexity, occupying more board space and complicating circuit board layouts.
Innovation Solution
An image capture display terminal with an image capture switching module that controls multiple camera modules in a time-sharing manner using a shared control bus and signal interface, eliminating the need for separate analog transfer switches and optimizing signal transmission to reduce components and wires, thereby simplifying the circuit board structure and saving space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple camera modules are used to improve image quality, then image quality is improved, but the quantity of components and connection lines increases, affecting occupied board space and wiring complexity
Solution Approach 1:
The patent merges multiple signal interfaces into a shared signal interface. Specifically, the first signal interface and second signal interface are electrically connected to the same physical interface on the circuit board, allowing multiple camera modules to share common signal transmission paths. This reduces the quantity of separate connection lines and components while maintaining the capability to handle signals from multiple cameras through time-division multiplexing.
Solution Approach 2:
The shared signal interface is designed to serve multiple camera modules universally. The interface can dynamically switch between receiving signals from the first camera module, second camera module, or both in different time slots. This multi-functional design eliminates the need for dedicated separate interfaces for each camera, thereby reducing wiring complexity and board space occupation.
2Measurement precision
If multiple camera modules are used to improve image quality, then image quality is improved, but the occupied board space increases due to increased components and connection lines
Solution Approach 1:
The patent merges multiple signal interfaces into a shared signal interface. Specifically, the first signal interface and second signal interface are electrically connected to the same physical interface on the circuit board, allowing multiple camera modules to share common signal transmission paths. This reduces the quantity of separate connection lines and components while maintaining the capability to handle signals from multiple cameras through time-division multiplexing.
Solution Approach 2:
The patent extracts and removes redundant components from the system. By implementing a shared signal interface and using an optimization unit to handle signals from multiple cameras, the design eliminates the need for separate dedicated interfaces and associated components for each camera module. This extraction of unnecessary components directly reduces the occupied board space.
3Reliability
If separate analog transfer switches are used for each camera module, then signal transmission is ensured, but the quantity of components and wires increases, complicating the circuit board structure
Solution Approach 1:
The patent merges multiple signal interfaces into a shared signal interface. Specifically, the first signal interface and second signal interface are electrically connected to the same physical interface on the circuit board, allowing multiple camera modules to share common signal transmission paths. This reduces the quantity of separate connection lines and components while maintaining the capability to handle signals from multiple cameras through time-division multiplexing.
Solution Approach 2:
The patent introduces an optimization unit as an intermediary component between the camera modules and the shared signal interface. This optimization unit performs signal optimization and switching functions that would otherwise require separate analog transfer switches for each camera. By consolidating these functions into a single intermediary unit, the design reduces component quantity while ensuring reliable signal transmission.
Data Source
AI summary
The control module outputs a control signal to control the first image capture module and the second image capture module to be in a working state in a time-sharing manner. A first signal interface is electrically connected to the first node. The first optimization unit is electrically connected between the first node and the first image capture module, and the second optimization unit is electrically connected between the first node and the second image capture module. The first optimization unit is configured to ensure the smoothness of a curve of a first image signal corresponding to a first image captured when the first image capture module is in the working state, and the second optimization unit is configured to ensure the smoothness of a curve of a second image signal corresponding to a second image captured when the second image capture module is in the working state.