UV Exposure System with Face Recognition and Dosage Control
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Solution Overview
Problem
Current UV exposure systems lack control mechanisms to deliver an optimum amount of UV rays, leading to potential over-exposure risks such as skin cancer, premature aging, and immune suppression, and require manual operation which is inaccurate and time-consuming.
Innovation Solution
A UV exposure system integrated with a camera unit, microcontroller, and UV source that captures user images for face recognition, tracks UV dosage, and automatically activates or deactivates the UV source based on predefined threshold values to ensure controlled exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual control method is used to operate UV exposure system, then system simplicity is maintained, but measurement precision and reliability of UV dosage delivery deteriorates due to manual errors
Solution Approach 1:
The patent replaces the manual mechanical control system with an automated electronic control system. A microcontroller unit (MCU) is introduced to automatically control the UV source based on sensor feedback, eliminating manual operation errors. The system uses electronic sensors to detect UV intensity and an MCU to process this data and control the UV source activation time, thereby improving measurement precision while maintaining acceptable system complexity through integrated electronics.
2Duration of action of moving object
If UV exposure system is activated for sufficient time to provide health benefits, then Vitamin D production and bone strength improvement are achieved, but risk of over-exposure and harmful effects increases
Solution Approach 1:
The patent implements a feedback control system where sensors continuously monitor UV intensity during exposure. The sensor data is fed back to the microcontroller, which adjusts the UV source activation in real-time. This closed-loop feedback mechanism ensures the system delivers sufficient UV exposure for health benefits while automatically preventing over-exposure by deactivating the UV source when threshold levels are reached, thus eliminating the trade-off between duration and harmful effects.
Solution Approach 2:
The system dynamically adjusts the UV exposure parameters based on real-time conditions. The microcontroller modifies the UV source activation time and intensity based on sensor feedback, user profile data, and environmental factors. This dynamic control allows the system to optimize exposure duration for each user individually, ensuring health benefits are achieved while preventing over-exposure risks through adaptive parameter adjustment.
3Adaptability or versatility
If multiple users require UV exposure, then comprehensive health coverage is provided, but time consumption and operational complexity increases due to manual recording and management
Solution Approach 1:
The patent implements a self-service system where the automated control system independently manages multiple user profiles without requiring manual intervention. The microcontroller automatically switches between stored user profiles, retrieves their specific dosage requirements, and controls UV exposure accordingly. The system self-manages dosage tracking, recording, and management, eliminating the need for manual time-consuming operations while maintaining adaptability to serve multiple users with individualized exposure protocols.
Data Source
AI summary
Described herein is a method of controlled exposure of ultraviolet (UV) rays to a user, with use of a UV exposure system comprising a camera unit, a UV source, and a microcontroller. The method includes capturing an image of the user; performing face recognition on the captured image to identify a user profile; obtaining information on dosage value delivered to the user in a defined amount of dosage time period; comparing the dosage value with a threshold value; and performing an action on the UV source based on the comparison. The action includes: activating the UV source if the dosage value is below the threshold value; and deactivating the UV source, if the dosage value is above the threshold value.