Removable Laser Filter Unit for Rifle Scope
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Solution Overview
Problem
Infantry personnel are vulnerable to damage from threat and hazard lasers due to the lack of simple and effective laser filters for common optics used on the battlefield.
Innovation Solution
A removable laser filter unit designed for engagement with rifle scopes, utilizing a cylindrical body with a resilient band for secure attachment, incorporating a laser filter positioned at an angle within the unit, and an optional anti-reflective component to prevent detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a laser filter is integrated into a rifle scope, then protection against laser threats is improved, but device complexity and cost increase
Solution Approach 1:
The laser filter is separated from the rifle scope into a removable filter unit that can be independently attached and detached. This segmentation allows the filter to provide laser protection without permanently increasing the complexity of the scope system, as the filter can be added only when needed.
Solution Approach 2:
A resilient band acts as an intermediary attachment mechanism between the filter unit and the rifle scope. This intermediary component enables easy installation and removal of the filter without requiring permanent modification to the scope, thus adding protection capability while minimizing impact on the base device complexity.
2Adaptability or versatility
If a removable filter unit is used, then adaptability and ease of installation are improved, but reliability of attachment during recoil may worsen
Solution Approach 1:
The resilient band provides a dynamic attachment system that can flex and stretch to accommodate the mechanical stresses of rifle recoil. The band's elastic properties allow it to maintain secure attachment during high-G events while still permitting easy manual installation and removal, thus balancing reliability with adaptability.
Solution Approach 2:
The resilient band changes its physical parameters (tension, compression) in response to recoil forces, automatically adjusting its attachment strength. During normal use, the band maintains sufficient tension to secure the filter, but during recoil, the band's elastic deformation absorbs the shock while maintaining attachment, preventing the filter from becoming dislodged.
3Reliability
If the filter unit is securely attached to withstand recoil, then reliability is improved, but ease of installation and removal worsens
Solution Approach 1:
The dynamic resilient band system allows the filter unit to be easily installed by simply stretching the band over the scope, without requiring tools or complex fastening procedures. The same resilient band then provides reliable attachment during recoil through its elastic properties, thus achieving both ease of operation and reliability through the same mechanism.
Solution Approach 2:
The resilient band performs dual functions automatically: during installation, it stretches to accommodate the filter unit, and during recoil, it uses its elastic recovery to maintain secure attachment. This self-adjusting mechanism eliminates the need for separate installation tools or complex fastening systems, making the system both easy to install and reliable in operation.
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 filter unit effectively protects against blinding laser threats by securely attaching to rifle scopes and filtering out harmful laser light, while maintaining clear vision and preventing detection through its anti-reflective feature.
Implementation Method 1
a laser filter positioned within the cylindrical body to filter light passing into the rifle scope
Implementation Method 2
The resilient band pulls the filter unit back against a front lens mounting ring inside the scope. The tension of the resilient band is low enough to allow for easy installation, yet high enough to secure the filter unit to the scope during recoil
Implementation Method 3
the filter unit includes a second component having an anti-reflective function
Data Source
AI summary
The systems, methods, and devices include a filter unit for removably engaging with a rifle scope. The filter unit includes a cylindrical body having a proximal end and a distal end, with the proximal end adapted for removably engaging with the rifle scope, and a laser filter positioned within the cylindrical body to filter light passing into the rifle scope. A resilient band may be used to hold the filter unit to the rifle scope.