Ambient Light Sensing via Wired Audio Interface for Stable Transmission
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Solution Overview
Problem
Existing ambient light detection systems face instability and high costs due to reliance on wireless communication, which is prone to electromagnetic interference and expensive wireless transmission modules.
Innovation Solution
Implementing a wired communication method using a headphone plug or equivalent (such as USB or Lightning) for stable data transmission between ambient light acquisition and analysis devices, reducing costs and environmental dependency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless communication (WIFI/Bluetooth) is used for data transmission between optical detection device and optical analysis device, then data transmission can be achieved without physical connection, but transmission stability deteriorates due to electromagnetic signal interference and production cost increases due to expensive wireless transmission modules
Solution Approach 1:
The patent replaces the wireless electromagnetic field-based communication system with a wired mechanical connection system (audio cable with headphone plug). This substitution eliminates electromagnetic interference issues while maintaining data transmission capability, directly resolving the reliability problem associated with wireless communication.
Solution Approach 2:
The patent utilizes inexpensive audio cables and standard headphone plugs that are already widely available, replacing expensive wireless transmission modules (WIFI/Bluetooth). This dramatically reduces the production cost of the ambient light detection device while achieving reliable data transmission.
2Adaptability or versatility
If wireless transmission modules (WIFI/Bluetooth) are used for data communication, then wireless data transmission can be achieved, but production cost increases due to high module cost
Solution Approach 1:
The patent leverages the universal headphone jack interface that exists in virtually all mobile devices (smartphones, tablets, computers). By using this standardized, universally compatible interface, the device achieves broad adaptability without requiring expensive proprietary wireless modules, thus reducing production costs while maintaining versatility.
Solution Approach 2:
The patent copies the data transmission function from expensive wireless modules to a simple wired audio connection. The audio cable, originally designed for audio transmission, is repurposed to carry digital data signals, creating a low-cost alternative that replicates the essential communication functionality without the high cost of wireless technology.
3Productivity
If professional optical detection device and optical analysis device are used with wireless communication, then ambient light detection and analysis can be performed, but device complexity increases and production cost increases due to wireless communication requirements
Solution Approach 1:
The patent extracts the wireless communication functionality from the system entirely, removing the complex WIFI/Bluetooth modules and their associated software drivers, pairing protocols, and error handling mechanisms. This leaves only the essential ambient light detection function, significantly simplifying the device architecture while maintaining core productivity.
Data Source
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AI summary
Embodiments of the present invention disclose an ambient light acquisition method, an ambient light analysis method and corresponding devices. An acquired ambient light parameter is sent to the ambient light analysis device through a wired communication route, so that transmission stability of the ambient light parameter can be guaranteed regardless of a surrounding electromagnetic environment; and meanwhile, a cost of the wired communication route is low, and a production cost of relevant devices can be reduced.