Hair Condition Sensor with Acceleration Feedback
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Solution Overview
Problem
There is a need for a non-destructive, intuitive, and easily calibratable device that can accurately determine hair condition, particularly for damaged hair, to provide personalized cosmetic treatments and improve hair health monitoring.
Innovation Solution
A hair condition determining device equipped with optical sensors, such as NIR and IR spectrometers, and an acceleration sensor, which moves along the hair to detect light interaction and movement patterns, processing data to assess damage and moisture content, and includes a calibration medium for easy sensor calibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a device for acquiring hair condition information is designed to be portable and easy to operate, then ease of operation is improved, but measurement precision may deteriorate due to movement and handling variations
Solution Approach 1:
The device incorporates acceleration sensors that detect movement patterns and provide feedback to the control unit. The control unit processes this movement information and compensates for it during measurement, or selects appropriate measurement moments when the device is stationary, thereby maintaining measurement precision despite portability
Solution Approach 2:
The patent replaces traditional mechanical positioning and stabilization systems with sensor-based detection (acceleration sensors) and software-based compensation algorithms, allowing the device to maintain precision without complex mechanical stabilization mechanisms
2Measurement precision
If multiple sensors are integrated into the device for comprehensive hair analysis, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The device integrates multiple sensors (optical sensors for light interaction detection, acceleration sensors for movement detection) that serve multiple functions: the optical sensors analyze hair condition while the acceleration sensors simultaneously monitor device movement, enabling comprehensive analysis without requiring separate dedicated systems for each function
Solution Approach 2:
The patent combines multiple sensing functions into a single integrated device housing, merging optical sensors, acceleration sensors, and processing units into one compact system, thereby achieving comprehensive measurement capability while controlling overall device complexity through integration
3Measurement precision
If the device requires calibration for accurate measurements, then measurement precision is improved, but ease of operation deteriorates due to additional calibration steps
Solution Approach 1:
The device incorporates a self-calibration capability where the control unit automatically processes sensor data and adjusts calibration parameters based on detected movement patterns and measurement conditions, eliminating the need for manual calibration operations by the user while maintaining measurement precision
4Measurement precision
If the device moves along the hair at a predefined distance for consistent measurements, then measurement precision is improved, but ease of operation deteriorates as the user must maintain precise positioning
Solution Approach 1:
The patent replaces manual positioning control with sensor-based detection (acceleration sensors detecting device orientation and movement) combined with software algorithms that automatically compensate for positioning variations, allowing the device to maintain measurement precision without requiring the user to precisely control distance and position
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
Enables precise and non-destructive hair condition assessment, allowing for personalized treatment recommendations and continuous health monitoring, improving hair care effectiveness and user experience.
Implementation Method 1
at least one optical sensor for detecting light from a light source
Implementation Method 2
A hair condition determining device equipped with optical sensors, such as NIR and IR spectrometers
Implementation Method 3
A movement pattern of the hair condition determining device in space is detected utilizing an acceleration sensor
Data Source
AI summary
In various exemplary embodiments a hair condition determining device and a method for providing hair condition information may be provided. The device may comprise a first area and a second area configured in such a way that hairs of a user are movable between the first area and the second area, wherein in the first area at least one optical sensor for detecting light of a light source is positioned, wherein the second area includes at least one carrier, and wherein the first area and the second area are coupled by employing a connecting element in such a way that the first area and the second area face each other in such a way that a sensor main measuring direction of the at least one sensor is aligned at a predefined angle to a surface of the carrier.