Biometric Enrollment Device Visual Feedback Mechanism
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Solution Overview
Problem
The enrollment of fingerprint reference data into user authentication tokens is often user-unfriendly and time-consuming, requiring supervision in a secure environment, which is inconvenient for users and increases costs due to the need for external devices or bank visits.
Innovation Solution
An enrollment device with a token interface unit and user interface unit that provides visual feedback through optical output elements, allowing users to enroll biometric templates independently by coupling with external user authentication tokens, guiding them through the process with progress indicators and error feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fingerprint enrollment is performed under supervision in a secure environment (e.g., at bank premises), then security and reliability of biometric template storage are improved, but user convenience and time efficiency deteriorate
Solution Approach 1:
The patent enables users to perform fingerprint enrollment independently using a portable enrollment device that interfaces with their authentication token. The system provides self-guided enrollment through visual feedback indicators, eliminating the need for supervised enrollment at bank premises while maintaining security through secure element storage in the user's own device.
2Reliability
If fingerprint enrollment is performed under supervision in a secure environment, then reliability of the enrollment process is improved, but time consumption and cost increase
Solution Approach 1:
Users can enroll their fingerprints at any convenient time using the portable enrollment device, eliminating the need to visit bank premises during business hours. The self-guided process with visual feedback ensures reliable enrollment without requiring staff supervision, thereby reducing both time loss and operational costs.
Solution Approach 2:
The portable enrollment device acts as an intermediary between the user's authentication token and the enrollment process. It provides the necessary interface and guidance while maintaining secure communication with the token's secure element, enabling reliable enrollment without direct bank staff involvement.
3Ease of operation
If visual feedback indicators are provided to guide users through enrollment, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The enrollment device uses color-changing LED indicators to provide intuitive visual feedback during the enrollment process. Different colors indicate different stages (e.g., green for success, red for failure, yellow for in progress), enabling users to understand the process state without complex displays or text, thus maintaining simplicity while improving usability.
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
Facilitates user-friendly and self-enrollment of fingerprint templates directly on user authentication tokens, reducing the need for external devices and supervision, while ensuring secure storage and verification, thus enhancing convenience and reducing costs.
Implementation Method 1
the optical output elements are light-emitting diodes
Data Source
AI summary
In accordance with a first aspect of the present disclosure, an enrollment device is provided, comprising: a token interface unit configured to couple the enrollment device to an external user authentication token; a user interface unit configured to provide visual information to a user through a plurality of optical output elements, said visual information being indicative of a progress of a biometric template enrollment in the authentication token; a user interface control unit configured to receive input data indicative of said progress from the authentication token through the token interface unit and to control the user interface unit using said input data.