Key Information Management Device for Emergency Vehicle Access
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Solution Overview
Problem
Vehicles parked on roads can obstruct emergency vehicles, and existing key management systems do not allow third parties to unlock or move such vehicles, potentially causing delays for emergency services.
Innovation Solution
A key information management device and method that enables a third party to receive key information for unlocking and moving a vehicle by sending it from a first user's terminal to a second user's terminal, with security measures to ensure only permitted users can access the key information, including alert notifications to prevent unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If key information is restricted to only the vehicle owner's terminal, then vehicle security is improved, but the ability to move the vehicle in emergency situations deteriorates
Solution Approach 1:
The system dynamically adjusts key information access rights based on situational context. Under normal conditions, only registered users can access key information. However, when emergency conditions are detected (through alert notifications and response monitoring), the system temporarily grants access to third-party terminals, thereby adapting the security model to different operational states
Solution Approach 2:
The key information management device serves as an intermediary between the vehicle owner and third parties. It receives movement requests, verifies emergency conditions, and selectively transmits key information to authorized third-party terminals. This intermediary role enables controlled access that balances security requirements with emergency response needs
2Adaptability or versatility
If key information is sent to third party terminals, then the ability to unlock and move obstructing vehicles is improved, but the risk of unauthorized access deteriorates
Solution Approach 1:
The system performs preliminary verification actions before granting key information access to third parties. It sends alert notifications to the vehicle, monitors for responses indicating occupancy status, and validates the movement request against registered terminal information. These preliminary actions ensure that key information is only transmitted when legitimate emergency conditions are confirmed, preventing unauthorized access
3Reliability
If alert notifications are sent to verify vehicle occupancy, then unauthorized key information transmission is prevented, but the time required to send key information increases
Solution Approach 1:
The system implements a timeout mechanism that allows the key information transmission process to proceed by skipping further verification steps when no response is received within a predetermined time period. If the vehicle does not respond to alert notifications within the expected timeframe, the system infers the vehicle is unoccupied and proceeds to transmit key information without additional delays, thereby balancing verification reliability with response speed
Data Source
AI summary
A key information management device includes: a reception unit configured to receive a movement request for moving a first vehicle, the first vehicle employing a key system in which locking and unlocking are performed by receiving key information on the first vehicle sent from at least one of a first terminal of a first user and a second terminal of a second user different from the first user; a storage unit configured to store the key information on the first vehicle and information on the first terminal to which the key information on the first vehicle has been delivered; and a control unit configured to send the key information on the first vehicle to the second terminal.