Tamper-Resistant Electronic Lock Cylinder with Programmable Key Profiles
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Solution Overview
Problem
Existing electronic access control systems face increased complexity and cost due to numerous options for security features and application-specific requirements, necessitating improved security features to address customer and environmental demands.
Innovation Solution
The development of electronic lock cylinders and keys with enhanced tamper-resistant designs, including a solenoid plunger with an increased diameter or height region that requires the lock pin to ride up and over, and electronic keys with dual communication means and programmable access profiles, allowing for adaptive security and key personalization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If numerous options for security features and application-specific requirements are incorporated, then security and adaptability are improved, but system complexity and costs increase
Solution Approach 1:
The electronic lock cylinder is designed with a universal architecture that can accommodate multiple security features and application-specific requirements through software configuration rather than hardware variations. The system uses a single platform that can be programmed to provide different levels of security, access control methods, and tamper resistance features, thereby improving adaptability without increasing device complexity
Solution Approach 2:
The system allows security features to be customized by changing software parameters and configuration settings rather than requiring different hardware designs. By modifying programmable parameters such as access profiles, key permissions, and security protocols, the system can adapt to various security requirements while maintaining a consistent hardware platform, thus avoiding increased complexity
2Object-affected harmful factors
If traditional solenoid plunger design is used, then manufacturing simplicity is maintained, but tamper resistance is insufficient
Solution Approach 1:
The solenoid plunger is designed with an asymmetric geometry featuring an increased diameter or height region that creates an uneven surface profile. This asymmetric design requires the lock pin to follow a specific path (ride up and over the increased region) during operation, which frustrates tampering attempts while maintaining a relatively simple overall structure. The asymmetry provides tamper resistance without requiring complex multi-component mechanisms
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
The solution effectively frustrates tampering attempts and provides adaptive security by allowing lock cylinders to modify key access profiles, reducing system complexity and costs while enhancing security features.
Implementation Method 1
a solenoid plunger with an increased diameter or height region that requires the lock pin to ride up and over
Data Source
AI summary
New and improved electronic locks and electronic keys with enhanced anti-tamper capabilities integrated into the electronic locks, additional contact-based communications and recharging capabilities in the electronic keys, and capabilities for an electronic lock to change the authorizations and characteristics of an electronic key by provide an access profile to the electronic key when the key touches the lock.