Multi-factor Biometric Authentication with Heart Rate Verification
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Solution Overview
Problem
Current device security measures, such as fingerprint recognition, are vulnerable to unauthorized access when the user is sleeping or unconscious, as they do not verify the user's wakefulness or consciousness, allowing potential hackers to deceive the system.
Innovation Solution
Combining fingerprint sensing with heart rate monitoring using an infrared LED and photo diode to determine the user's wakefulness by measuring the heartbeat interval, ensuring that the user is both biometrically matched and conscious before unlocking the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If only fingerprint recognition is used for device security, then the authentication process is simple and quick, but the system is vulnerable to unauthorized access when the user is sleeping or unconscious
Solution Approach 1:
The patent combines fingerprint recognition with heart rate monitoring into a unified authentication system. The fingerprint sensor captures biometric data while the heart rate sensor (using infrared LED and photo diode) simultaneously monitors physiological signals. Both authentication factors must be satisfied for device access, creating a multi-layered security mechanism that prevents unauthorized access during unconscious states while maintaining user convenience.
2Speed
If fingerprint recognition alone is used, then the device access is fast, but fake fingerprints or fingerprints taken during unconsciousness can deceive the system
Solution Approach 1:
The system changes the authentication parameters by adding heart rate verification to the fingerprint matching process. The heart rate sensor detects physiological parameters (heartbeat intervals) that are difficult to replicate with fake fingerprints. This additional parameter verification occurs simultaneously with fingerprint recognition, maintaining fast access speed for legitimate users while blocking fraudulent authentication attempts.
3Reliability
If heart rate monitoring is added to fingerprint recognition, then security against unconscious access is improved, but the device complexity increases
Solution Approach 1:
The patent implements a universal authentication module that handles both fingerprint recognition and heart rate monitoring through a single controller. The same processing unit that analyzes fingerprint data also evaluates heart rate signals, and a unified authentication algorithm determines device access. This multi-functional approach enhances security verification accuracy while minimizing the increase in system complexity through resource sharing and integrated processing.
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
This combination enhances security by preventing unauthorized access when the user is asleep or unconscious, distinguishing between human touch and fake fingerprints, and providing an additional layer of authentication based on the user's consciousness.
Implementation Method 1
an infrared LED and a photo diode to detect the heartbeat information of the user
Implementation Method 2
an infrared LED and a photo diode to detect the heartbeat information of the user
Data Source
AI summary
Technology for an electronic device is described. The electronic device can include a fingerprint sensor, a heart rate sensor, and a controller. The controller can receive a fingerprint of a user captured using the fingerprint sensor. The controller can determine whether the fingerprint of the user matches a predefined fingerprint stored in a data store of the electronic device. The controller can receive heart rate information of the user captured using the heart rate sensor. The controller can determine whether the heart rate information is within a defined range. The controller can unlock the electronic device to allow the user to access the electronic device when the fingerprint of the user matches the predefined fingerprint stored in the data store and the heart rate information is within the defined range.