Biometric Emergency Key Transfer for Vehicle Security
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Solution Overview
Problem
Conventional vehicle key systems fail to facilitate easy transfer of drive rights or programming of additional keys, especially when only one valid key is present, and do not allow for secure access or operation in emergency situations without compromising vehicle security.
Innovation Solution
An emergency transfer system that includes a receptacle and a biometric device within the vehicle, allowing for authentication and activation of an emergency transfer key fob, which can be transferred to another user under specific conditions, ensuring secure access and drive rights while maintaining anti-theft security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional key systems require multiple valid keys or biometric inputs for key programming, then vehicle security is maintained, but the ability to transfer drive rights or program additional keys becomes difficult when only one valid key is present or when the authorized user is incapacitated
Solution Approach 1:
The system performs preliminary authentication of the authorized user before allowing key transfer or programming operations. By requiring biometric verification in advance, the system ensures that only authorized users can initiate key transfer, thereby maintaining security while enabling easy transfer when needed.
Solution Approach 2:
The system introduces an intermediary authentication mechanism (biometric verification) that mediates between the authorized user and the key transfer process. This intermediary step verifies the user's identity without requiring physical presence of multiple keys, thus facilitating easy key transfer while maintaining security through the biometric intermediary.
2Ease of operation
If the system allows key transfer when the authorized user is not present, then ease of key transfer improves, but the risk of unauthorized access increases
Solution Approach 1:
The system applies preliminary anti-action by requiring biometric authentication from the authorized user before allowing key transfer to occur. This pre-verification step prevents unauthorized access by ensuring that only authenticated users can initiate the transfer process, even when the user is not physically present during the transfer.
Solution Approach 2:
The system uses feedback mechanisms where the biometric authentication result determines whether key transfer is permitted. The system receives biometric data, compares it with stored templates, and provides feedback in the form of authentication success or failure, which then controls whether the key transfer operation can proceed.
3Reliability
If the system requires multiple authentication methods for key programming, then vehicle security is enhanced, but the complexity of the key programming process increases
Solution Approach 1:
The system uses a universal biometric authentication mechanism that can serve multiple functions: verifying the authorized user's identity, enabling key transfer, and authorizing key programming operations. This multi-functional approach maintains security without requiring separate authentication processes for each operation, thus reducing overall complexity.
Solution Approach 2:
The system changes the authentication parameter from requiring multiple physical keys or biometric inputs to requiring a single biometric verification. This parameter change simplifies the key programming process while maintaining security by relying on the reliability of biometric authentication rather than multiple authentication factors.
Data Source
AI summary
A system may include a system controller in communication with a function controller and configured to receive an authentication request. The authentication request may include a user input and the user input may be authenticated by matching the user input with at least one stored input. The controller may determine a vehicle mode and update, via the function controller, a status associated with a key fob in response to the vehicle mode being in an authenticated mode.