Remote Device Kill Switch via Wireless Authentication
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Solution Overview
Problem
Existing kill switches in machines, such as cars, are often easily accessible and can be turned on or off by anyone, allowing unauthorized individuals to disable or re-enable the device, and typically require physical proximity to operate, limiting remote disabling and enabling capabilities.
Innovation Solution
Implementing a system that allows remote disabling and enabling of devices through a wireless communication network, using authentication methods such as electronic serial numbers, passwords, biometric identification, and specific authorization from designated entities to prevent unauthorized access and ensure secure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a kill switch is hidden in a machine (e.g., under dashboard), then it is harder for thieves to find, but the owner still needs physical proximity to operate it
Solution Approach 1:
The patent replaces the mechanical kill switch system with a wireless communication-based system. Instead of physical switches located in the vehicle, the system uses wireless messages transmitted through communication networks to enable or disable vehicle functionality remotely, eliminating the need for physical proximity while maintaining security.
Solution Approach 2:
The patent introduces a communication network as an intermediary between the owner and the vehicle. The network transmits enable/disable commands remotely, allowing the owner to control the vehicle without being physically present. This intermediary resolves the contradiction by providing remote operation capability while maintaining security through controlled access.
2Ease of operation
If a kill switch is accessible on the machine, then the owner can easily disable it, but anyone with access can also turn it off or on
Solution Approach 1:
The patent applies different authentication requirements to different operations. Enable commands may require simpler authentication, while disable commands require more stringent verification. This local quality approach allows easy operation for legitimate owners while preventing unauthorized access through differentiated security measures.
Solution Approach 2:
The system incorporates authentication feedback mechanisms that verify the identity and authority of the person issuing enable/disable commands. The vehicle system receives and validates authentication information before executing commands, providing feedback control that prevents unauthorized operations while allowing legitimate owner control.
3Ease of operation
If remote disabling is implemented through wireless communication, then the owner can disable the device remotely, but authentication mechanisms are required which add complexity
Solution Approach 1:
The patent uses electronic copies of authentication information (such as stored authentication data in the vehicle's memory) instead of requiring complex real-time verification systems. The vehicle contains copied authentication credentials that can be verified through relatively simple comparison processes, reducing system complexity while maintaining security.
Data Source
AI summary
Operation of a device may be enabled or disabled by an instruction that may be given in a variety of ways. For example, a device (e.g., a car) may be equipped with a mechanism that disables (“kills”) and/or enables (“unkills”) some or all of the functionality of the car upon receipt of an appropriate instruction. The instruction could be given remotely. For example, the instruction could be given remotely from a wireless telephone by sending appropriate messages through a network. An instruction to re-enable operation of the device could also be given remotely. The honoring of kill and/or unkill instructions could be predicated on some type of authentication, such as the identity of the device from which the instruction is issued, a password, a biometric identification, the location from which the instruction is issued, or some other factor.