Smart Shaving System 3D Camera Skin Analysis
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Solution Overview
Problem
Users face challenges in determining their unique skin characteristics and ensuring adequate shaving with traditional 2D camera systems, making it difficult to choose the right shaving razor and verify shaving completeness.
Innovation Solution
A smart shaving system equipped with a 3D camera integrated into the razor, functioning as an IoT device, allows for 3D scanning of skin surfaces to determine physical characteristics and guide shaving, communicate with a vendor platform for personalized recommendations, and assess shaving completeness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a 2D camera is used to capture skin surface images, then the device complexity is low, but the measurement precision of skin characteristics is insufficient
Solution Approach 1:
The patent transitions from 2D camera imaging to 3D structured light scanning. The 3D camera captures depth information and spatial coordinates of skin surface features, enabling accurate measurement of skin contour, mole positions, and hair distribution in three-dimensional space, thereby resolving the limitation of 2D imaging in measuring skin characteristics precision
2Reliability
If visual inspection is used to determine skin characteristics, then the device complexity is low, but the reliability of characteristic determination is insufficient
Solution Approach 1:
The patent replaces manual visual inspection with an automated 3D scanning system. The structured light projector and 3D camera work together to capture and analyze skin surface geometry automatically, eliminating human subjectivity and fatigue, thereby improving the reliability of skin characteristics determination such as mole detection and skin contour analysis
3Measurement precision
If a 3D camera is integrated into the razor to perform 3D scanning, then the measurement precision of skin surface characteristics is improved, but the device complexity increases
Solution Approach 1:
The patent integrates the 3D camera and structured light projector directly into the razor handle, combining the shaving function with skin scanning and analysis functions. This merging allows the razor to perform both hair removal and skin characteristic detection using a single device, improving measurement precision while managing complexity through functional integration
Solution Approach 2:
The razor is designed with multi-functionality, serving as both a shaving tool and a skin analysis device. The 3D scanning system enables the razor to detect skin characteristics, monitor shaving progress, and provide feedback, making the device universal and reducing the need for separate specialized tools
4Productivity
If 3D scanning is performed to determine skin characteristics and guide shaving, then the productivity of shaving process is improved, but the use of energy increases
Solution Approach 1:
The 3D scanning is performed periodically at key stages: before shaving to capture skin characteristics, during shaving to monitor progress, and after shaving to verify completeness. This periodic scanning approach improves shaving productivity by providing guidance and feedback while managing energy consumption by avoiding continuous operation
Data Source
AI summary
A smart shaving system with a three-dimension (3D) camera assists the user of a shaving razor. The 3D camera is communicatively connected to the shaving razor and to a razor cartridge vendor platform via an Internet-of-Things (IoT) gateway. The 3D camera can be incorporated into the shaving razor. The razor has hardware/software capabilities to function as a stand-alone Internet-of-Things (IoT) device. The 3D camera can assist the user to determine whether a particular skin surface area has been adequately shaved, and/or (ii) assist the user regarding the type of shaving cartridge and/or razor suited for the particular user's physical characteristics (e.g., skin and/or hair).