Instrumented Hairbrush Sensor Data Interpretation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Users find it difficult to interpret the variable forces and movements involved during hair styling with existing styling utensils, which can indicate hair health or defects, leading to a need for better data interpretation and analysis.
Innovation Solution
A styling utensil equipped with sensors such as accelerometers, cameras, microphones, temperature, and humidity sensors, which transmit data to a connected smartphone or computer server for analysis, providing users with insights and recommendations on hair care.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a styling utensil is equipped with multiple sensors (accelerometers, cameras, microphones, temperature and humidity sensors) to capture comprehensive hair styling data, then the measurement precision and information quality improve, but the device complexity increases
Solution Approach 1:
The system divides the complex monitoring function into multiple specialized sensors (accelerometer for movement, camera for visual inspection, microphone for friction sound, temperature and humidity sensors for environmental conditions). Each sensor captures a specific aspect of hair styling independently, and the electronic unit integrates these segmented data streams to achieve comprehensive analysis without requiring a single complex sensor system.
Solution Approach 2:
The electronic unit serves as an intermediary that collects data from multiple sensors, processes the information, and transmits it wirelessly to a remote device for final analysis. This intermediary layer manages the complexity by handling sensor integration and data preprocessing, allowing the styling tool itself to remain relatively simple while achieving high measurement precision through coordinated multi-sensor operation.
2Loss of information
If sensor data is transmitted continuously to a remote device for analysis, then the information availability improves, but the energy consumption increases
Solution Approach 1:
The electronic unit transmits sensor data wirelessly at periodic intervals rather than continuously. The accelerometer detects styling movements and triggers data transmission events, allowing the system to maintain information availability by sending updates when relevant changes occur, while conserving battery energy by remaining in low-power states between transmission events.
Solution Approach 2:
The system autonomously manages its own energy consumption by using the accelerometer to detect when styling movements occur and automatically triggering data transmission only when necessary. This self-service approach ensures that information is available when relevant (during and after styling actions) without requiring continuous power-intensive transmission, as the system serves itself by intelligently timing data uploads based on detected activity.
Data Source
Figure 1~2
Figure 3~4
AI summary
A comb or hairbrush hair-styling appliance (10), comprising a handle (11) and a body (12), an electric battery (8), a motion sensor or accelerometer (7), a force sensor (5), an electronic unit (4) configured to acquire and format signals supplied by the sensors (7), a wireless communication means (42) for transmitting data to a remote entity (2, 3), whereby information about the movements imparted to the appliance and the forces exerted can be transmitted to the remote entity, and the remote entity can provide a user of the appliance with feedback containing indications concerning the hair that is being styled.