Sun Safety Dispenser with Multi-Directional UV Sensors
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Solution Overview
Problem
Current UV monitoring technologies fail to provide accurate, real-time, and easily interpretable sun safety warnings, especially for individuals with varying skin types, as they do not account for reflected UV radiation and require proactive user engagement, often relying on generalized UV Index scales and inaccurate forecast models.
Innovation Solution
A Sun Safety Display and Dispenser device that combines local, real-time UV radiation measurement, personalized UV index calculation based on skin characteristics, and a sunscreen dispenser, using multiple light sensors and a computer system to display risk levels and recommend SPF sunscreen, with a user-friendly interface and educational guide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If current UV monitoring technologies use generalized UV Index scales and forecast models, then the device complexity is reduced, but the measurement precision and reliability of UV risk assessment deteriorate
Solution Approach 1:
The patent divides the UV monitoring system into multiple independent sensor components, each measuring UV radiation from different directions (direct sunlight and reflected UV from surfaces like water, sand, concrete, snow). This segmentation allows the system to capture comprehensive UV exposure data without requiring a single complex forecast model, thereby improving measurement precision while maintaining manageable device complexity through modular sensor architecture.
Solution Approach 2:
The patent employs universal sensor modules that can measure both direct and reflected UV radiation using the same detection technology. These multi-functional sensors eliminate the need for separate measurement systems, reducing overall device complexity while enhancing the reliability and precision of UV risk assessment through comprehensive data collection from multiple sources.
2Ease of operation
If current UV monitoring technologies rely on forecast-based models from single measurement points, then the ease of operation is improved, but the reliability and accuracy of local UV risk assessment deteriorate
Solution Approach 1:
The patent implements self-service functionality where the system automatically collects UV radiation data from multiple sensors, processes the measurements through algorithms that account for direct and reflected UV, and generates personalized risk assessments without requiring user intervention for data input or model selection. This maintains ease of operation while significantly improving reliability through real-time, location-specific measurements rather than forecast-based estimates from distant measurement points.
3Ease of operation
If current UV monitoring technologies use the standard 11+ point UV Index scale, then the ease of operation is improved, but the adaptability to individual skin types and susceptibility deteriorates
Solution Approach 1:
The patent applies local quality by maintaining the simple, easy-to-interpret standard UV Index scale for general communication while overlaying personalized risk assessments tailored to individual skin types. The system preserves the familiar 11+ point scale for ease of operation but enhances it with skin-type-specific recommendations and adjusted risk thresholds, allowing the same display interface to serve both general and personalized needs without compromising interpretability or adaptability.
4Device complexity
If current UV monitoring technologies do not measure reflected UV radiation, then the device complexity is reduced, but the measurement precision of total UV exposure assessment deteriorates
Solution Approach 1:
The patent segments the UV measurement function into multiple directional sensors that separately measure direct sunlight UV and reflected UV from surrounding surfaces. This segmentation enables precise measurement of total UV exposure by combining data from multiple sensor orientations, achieving high measurement precision while keeping device complexity manageable through modular sensor deployment rather than requiring a single complex omnidirectional measurement system.
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 device effectively communicates sun safety risks to the public, encouraging protective behaviors by providing personalized UV exposure warnings and appropriate sunscreen recommendations, addressing the limitations of existing technologies in accuracy and user engagement.
Implementation Method 1
two or more light sensing detectors for measuring the instantaneous solar energy density... at a location in proximity to a human subject
Data Source
AI summary
The sun safety display and dispenser is a rugged outdoor device designed to measure the direct and scattered UV radiation in the atmosphere; to calculate and display a sun safety awareness index warning of the time to skin burn and or potential damage; to provide a personalized sun safety awareness index reading to help the user determine the appropriate SPF sunscreen, manually or automatically; and, to dispense sunscreen generally or by specific SPF as correlated with the user's personalized sun safety awareness index reading.