Two-Factor Authentication Pattern Door Lock Control
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Solution Overview
Problem
Conventional digital door locks are vulnerable to security breaches during the time gap between opening and closing the door, as the locked state is released, allowing potential intruders to enter, especially in emergency situations where users are trapped indoors, and there is no effective method to prevent invasion or seek external help.
Innovation Solution
A two-factor authentication pattern-based door lock control method that adds authentication means to an indoor module, controlling the door lock based on an authentication pattern sequence of outdoor and indoor authentications, and door opening/closing, maintaining or releasing the locked state accordingly, with optional extension authentication and alarm operations to ensure user safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the door lock releases the locked state after the door is closed, then the user can enter the house normally, but the door remains vulnerable to intruders during the time gap before locking
Solution Approach 1:
The door lock performs preliminary locking action immediately when the door is closed, rather than waiting for a time delay. The control unit detects door closure and automatically initiates the locking sequence without delay, eliminating the vulnerable time gap while still allowing normal entry operation
2Reliability
If the door lock maintains locked state continuously, then security is improved, but the user cannot receive help from outsiders in emergency situations
Solution Approach 1:
The door lock transitions from a static locked state to a dynamic state management system. The control unit monitors authentication patterns and door operation sequences in real-time, automatically adjusting the locked state based on detected situations - maintaining locked state for normal operation but releasing it when emergency patterns are detected, thereby adapting to different scenarios
3Ease of operation
If the door lock uses password input for authentication, then access control is achieved, but the password may be exposed to hidden cameras allowing invasion
Solution Approach 1:
The patent extracts the authentication process from the door lock itself and relocates it to a mobile terminal. The mobile terminal handles password input and biometric authentication remotely, while the door lock only receives authentication results. This separation removes the password input process from the physical door lock location, eliminating the risk of password exposure to hidden cameras at the entrance
Data Source
AI summary
The present invention relates to a two-factor authentication pattern-based door lock control method and a two-factor authentication pattern-based door lock that converts a locked state of a door lock to a released state thereof or maintains the released state of the door lock if additional authentication of a user is not performed, thereby allowing the user to have a help from an outsider (acquaintance, neighbor, security staff, guard, police officer, fire fighter, and so on) in an emergency situation where the user is trapped in an indoor space by an invader.