Biometric Sensor Motion Pattern Unlocking
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Solution Overview
Problem
Existing electronic devices lack enhanced security measures for convenient access while maintaining robust authentication methods, often relying on time-consuming password entry or limited biometric authentication.
Innovation Solution
An electronic device equipped with a finger biometric sensor and a display, coupled with a processor that switches between locked and unlocked modes based on recognized patterns of input motions, allowing for quick access and spoof detection, and capable of displaying virtual combination locks or connection points to match user-defined unlock codes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional password entry or limited biometric authentication is used, then security is provided, but access time is time-consuming
Solution Approach 1:
The system dynamically transitions between locked and unlocked states based on real-time pattern recognition. The processor continuously monitors finger motions on the biometric sensor and dynamically switches device states without requiring static password entry, thereby reducing access time while maintaining security through adaptive authentication.
Solution Approach 2:
The system performs preliminary pattern recognition and authentication during normal device operation. By continuously monitoring finger motions on the biometric sensor before an unlock attempt is needed, the system can quickly verify user identity and transition to unlocked state, eliminating the need for time-consuming password entry at the moment of access.
2Productivity
If pattern recognition on biometric sensor is implemented, then access speed is improved, but device complexity increases
Solution Approach 1:
The finger biometric sensor serves multiple functions: it acts as both a traditional fingerprint authentication sensor and a pattern recognition input device. The same hardware component is used for both verifying user identity and detecting motion patterns, eliminating the need for separate sensors and reducing overall system complexity despite enhanced functionality.
Solution Approach 2:
The system merges the authentication function and pattern recognition function into a single integrated process. The processor simultaneously analyzes finger biometric data and motion patterns from the same sensor input, combining multiple security layers into one unified authentication mechanism that improves access speed without proportionally increasing complexity.
3Reliability
If spoof detection is added to biometric authentication, then security is enhanced, but measurement precision requirements increase
Solution Approach 1:
The system implements feedback-based spoof detection by analyzing the characteristics of finger motions in real-time. The processor monitors the dynamics, pressure, and temporal patterns of finger movements on the biometric sensor, comparing them against expected genuine user patterns. This feedback mechanism enables the system to detect anomalies indicative of spoofing attempts without requiring extremely high measurement precision from the sensor itself.
Data Source
AI summary
An electronic device may include a finger biometric sensor, a display, and a processor coupled to the finger biometric sensor and the display. The processor may be switchable between a user-interface locked mode and a user-interface unlocked mode. The processor may be capable of determining a pattern of input motions on the finger biometric sensor and displaying an image on the display corresponding to the pattern of input motions. The processor may also be capable of switching between the user-interface locked mode and the user-interface unlocked mode when the pattern of input motions matches a stored pattern representing a user unlock code.