Optical Lock Key Using Prism Scatter Pattern Authentication
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Solution Overview
Problem
Current lock and key security systems are vulnerable to tampering and hacking, as traditional hardware-based keys can be easily replicated or bypassed, and computer system-based locks can be compromised with sufficient knowledge.
Innovation Solution
A lock and key security system that utilizes a light source and a prism to create a unique scatter pattern, which is detected by a scatter pattern detecting module to authenticate the key, ensuring that only the authorized key can operate the lock by matching the preauthorized pattern.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional hardware-based keys are used, then the lock can be operated, but the key can be easily replicated and the lock can be picked
Solution Approach 1:
The patent replaces the traditional mechanical key-lock system with an optical system. The key contains a light source and optical elements (prisms, mirrors) that project a unique optical pattern, while the lock contains an optical sensor to detect this pattern. This substitution eliminates mechanical contact and replication vulnerabilities, as the optical pattern is unique to each key's internal geometry and cannot be easily copied.
Solution Approach 2:
The patent changes the parameter of key identification from physical shape (mechanical) to optical properties (light refraction, reflection, and scattering patterns). Each key's internal optical elements create a unique light scattering pattern that serves as its identifier, making replication extremely difficult without precise knowledge of the internal optical geometry.
2Ease of operation
If computer system based locks are used, then the lock can be controlled, but the lock can be hacked or bypassed with sufficient knowledge
Solution Approach 1:
The patent introduces an optical pattern as an intermediary between the key and the lock's control system. Instead of direct electronic communication that can be hacked, the system uses physical optical properties (light scattering patterns determined by the key's internal geometry) as the authentication medium, which cannot be remotely exploited or bypassed through software vulnerabilities.
3Reliability
If a light source and prism are used to create a unique scatter pattern, then the security is enhanced, but the device complexity increases
Solution Approach 1:
The patent makes the optical components serve multiple functions: the light source provides illumination for pattern creation, the prisms and mirrors both define the unique scatter pattern and physically block unauthorized access when the key is not inserted, and the optical sensor both detects the pattern and serves as the authentication mechanism. This multi-functionality reduces the need for separate 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
This solution significantly reduces the risk of lock tampering by making it difficult to recreate or mimic the unique scatter pattern, thereby enhancing security compared to traditional systems.
Implementation Method 1
the key including a light source and a prism, the lock and key security including receiving, in the light receptacle of the lock, light transmitted by the light source in the key through the prism
Implementation Method 2
identifying, by the scatter pattern detecting module, a scatter pattern of the received light
Data Source
AI summary
Methods and apparatus for lock and key security, the lock including a light receptacle, a scatter pattern detecting module, and a locking mechanism, the key including a light source and a prism, the lock and key security including receiving, in the light receptacle of the lock, light transmitted by the light source in the key through the prism; identifying, by the scatter pattern detecting module, a scatter pattern of the received light; comparing, by the scatter pattern detecting module, the scatter pattern to a unique preauthorized pattern for operating the lock; if the scatter pattern matches the unique preauthorized pattern, switching, by the scatter pattern detecting module, the current locking state of the locking mechanism; and if the scatter pattern does not match the unique preauthorized pattern, maintaining the current locking state of the locking mechanism.