Vehicle Security Device Using Operator Weight Biometrics
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Solution Overview
Problem
Current vehicle security systems are ineffective in preventing unauthorized operation, as they rely solely on security codes without additional biometric validation, which can be compromised by theft or misuse.
Innovation Solution
A weight sensor vehicle security device that integrates a biometric system using a load cell to measure the operator's weight, ensuring that only authorized individuals can start and continue operating the vehicle by matching the measured weight with a stored value associated with a security code, and continuously monitors the vehicle's movement to maintain security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a security code system is used for vehicle ignition control, then the vehicle can be operated by authorized users, but the system can be compromised by theft or misuse of the security code
Solution Approach 1:
The patent changes the authentication parameter from a static security code to a dynamic biometric parameter (weight). The weight measurement varies naturally between different operators and even for the same operator at different times, making it difficult to replicate or steal. This parameter change fundamentally addresses the security vulnerability of code-based systems while maintaining authorized access control.
Solution Approach 2:
The patent replaces the mechanical/info-based security code system with a biometric measurement system. Instead of relying on knowledge-based authentication (security codes that can be stolen or guessed), the system uses physical measurement (weight) that is inherently tied to the operator's body. This substitution eliminates the vulnerability to code theft while preserving the ability to control vehicle ignition.
2Reliability
If biometric weight measurement is added to security code validation, then unauthorized operation is prevented more effectively, but the device complexity increases
Solution Approach 1:
The patent integrates the weight measurement function into the existing seat structure, making the seat serve multiple purposes: providing operator support and simultaneously measuring operator weight for security validation. This multi-functionality approach adds biometric authentication capability without requiring a completely separate measurement system, thereby limiting the increase in device complexity.
Solution Approach 2:
The system uses the operator's own body weight as the authentication credential, eliminating the need for external biometric sensors or additional authentication devices. The weight measurement is obtained passively through the seat structure itself, and the comparison with stored weight values is performed automatically by the control unit, reducing the need for complex user interaction or additional hardware components.
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
Effectively prevents unauthorized vehicle operation by using weight biometrics to validate the operator, ensuring secure ignition and continuous operation, thereby enhancing vehicle security and reducing theft risks.
Implementation Method 1
A biometric system using a load cell to measure the operator's weight
Data Source
AI summary
The weight sensor vehicle security device comprises a vehicle and a security circuit. The security circuit measures the weight of the operator. The operator enters a security code into the security circuit. The operator then enters a security code. The security circuit compares the measured weight of the operator to a weight of the operator that is associated and stored with the security code. If the measured and stored weights match, the security system enables the operation of the vehicle. After the vehicle travels a previously determined distance, the security circuit repeats the procedure. If the measured and stored weights do not match, the security system disables the operation of the vehicle.