Lock Key Audit Enhancement Assembly with Motion Sensing
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Solution Overview
Problem
Existing lock systems lack the ability to create an audit trail of the key's rotational motion, which is crucial for investigating security compromises, and can be easily compromised by removing the power source, preventing the generation of an audit trail.
Innovation Solution
A lock operating object with an integrated audit enhancement assembly, including a motion sensor and processing circuitry, that senses and records the rotational motion of the key, providing a temporal value for each motion event, and stores this information in memory circuitry, even when the power source is removed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a motion sensor and processing circuitry are integrated into the lock operating object to create an audit trail, then the ability to track and investigate lock operations is improved, but the device complexity increases
Solution Approach 1:
The motion sensor, processing circuitry, and memory circuitry are integrated into the lock operating object itself (the key), merging multiple functional components into a single unified device. This allows the key to autonomously detect rotational motion, process the motion data, and store audit information without requiring separate external monitoring systems.
Solution Approach 2:
The lock operating object serves itself by incorporating the motion sensor and processing circuitry directly into the key. The key autonomously detects its own rotational motion through the motion sensor, processes this data through the processing circuitry, and stores the audit information in memory circuitry, eliminating the need for external service or monitoring infrastructure.
2Ease of operation
If the power source can be removed to compromise the lock, then ease of operation is improved, but the reliability of audit trail generation deteriorates
Solution Approach 1:
The system takes preliminary anti-action by detecting when the power source is removed or the key is taken apart through the motion sensor. The processing circuitry identifies these removal events and continues to generate and store audit trail information in memory circuitry, preventing the compromise of audit trail reliability through power source removal.
Solution Approach 2:
The memory circuitry is designed to retain audit trail information even when power is removed from the system. This beforehand cushioning ensures that audit data is preserved and not lost during power source removal or key disassembly events, maintaining the integrity of the audit trail.
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
Enables the creation of a comprehensive audit trail of lock operations, enhancing security investigations by recording key rotations and ensuring that audit trails are generated even when the power source is removed, thereby preventing covert compromises.
Implementation Method 1
a motion sensor mounted on the key and configured to sense motion of the lock operating object, with the motion sensor being configured to produce a motion signal
Data Source
AI summary
A system may include a lock assembly having a shell and a plug rotatable with respect to the shell and a lock operating object for operating the lock assembly including a key. The system may further include an audit enhancement assembly configured to facilitate creation of an audit trail of operation of the lock assembly by the lock operating object, and may include a motion sensor configured to sense rotational motion of the lock operating object and/or the plug of the lock assembly. The audit enhancement assembly may include processing circuitry in communication with the motion sensor, and memory circuitry in communication with the processing circuitry to receive and record a value derived from a motion signal from the motion sensor and a temporal value associated with a motion signal event.