Watch Function Access Management with Periodic Biometric Verification
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Solution Overview
Problem
Existing watch authentication methods allow unauthorized access once the wearer is authenticated, lacking robustness and transparency in maintaining user identity.
Innovation Solution
A method and system using a multispectral biometric skin sensor to periodically verify the wearer's identity through vascular network and skin texture, ensuring automatic and non-intrusive access control by comparing digital identification elements generated from biometric information with a reference, and optionally using thermal imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional authentication steps are implemented to strengthen authentication criteria, then security is improved, but device complexity and user interaction requirements increase
Solution Approach 1:
The system performs automatic periodic re-authentication using biometric data from the skin sensor without requiring user intervention. The watch independently verifies the wearer's identity through vascular network and skin texture analysis, eliminating the need for manual re-authentication while maintaining security.
Solution Approach 2:
The patent replaces manual authentication interactions with automatic biometric verification. Instead of requiring users to repeatedly enter passwords or use physical authentication mechanisms, the system uses optical sensors to capture skin characteristics and automatically verifies identity through digital identification element comparison.
2Reliability
If manual re-authentication is required periodically, then security is maintained, but user convenience and ease of operation deteriorate
Solution Approach 1:
The watch system autonomously performs identity verification by continuously monitoring biometric parameters through the skin sensor. The system self-manages the authentication process without requiring user initiation or participation, maintaining security while providing seamless access to functions.
Solution Approach 2:
The system implements continuous identity verification through periodic automatic authentication using biometric data. Instead of discrete manual authentication events, the verification process operates continuously in the background, ensuring security is maintained without interrupting the user experience.
3Reliability
If biometric sensors are added to the watch, then authentication reliability is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The skin sensor is designed to serve multiple functions: it detects vascular network patterns for authentication, monitors skin temperature for health tracking, and captures skin texture information. This multi-functionality justifies the addition of the sensor while reducing the relative impact on device complexity.
Solution Approach 2:
The patent introduces a digital identification element as an intermediary that bridges the biometric sensor and the authentication system. This digital representation simplifies the processing and comparison of biometric data, making the integration of complex sensing capabilities more manageable.
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
Ensures continuous, discreet, and reliable identity verification of the watch wearer, preventing unauthorized access by automatically re-authenticating based on biometric data without requiring repeated user interaction.
Implementation Method 1
linked to the absorption and reflection characteristics at different wavelengths (spectrum) of the components of the skin
Implementation Method 2
linked to the absorption and reflection characteristics at different wavelengths (spectrum) of the components of the skin
Implementation Method 3
a phase of capturing images of the portion of skin illuminated at different wavelengths... or without illumination for example when it is a question of carrying out a capture of thermal images
Data Source
Figure 1~2
AI summary
The invention relates to a method for managing the use of the functions of a watch (100) comprising: - an authentication step (10) of the wearer of the watch (100) in order to authorize access to said functions, and - a control step (12) at a determined period of the identity of the wearer of the watch by a verification of the validity of a digital identification element determined from at least one biometric information element of the wearer, and - an unlocking step (24) of access to said functions of the watch (100) once this access has been locked said step comprising the following sub-steps: • presentation (25) of a graphic representation (41) on a visual information dissemination interface (3) of said watch (100);• selection (28) within a limited time interval of a sequence of at least two identification portions included in said graphical representation (41) intended to identify said bearer, said sequence corresponding to an identification code of the bearer, and • validation (30) of the selected sequence.;