Window Screen Marker Pattern for Fine Mesh Visibility
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Solution Overview
Problem
Screen doors and windows are difficult to detect visually, leading to potential hazards as people and animals may inadvertently collide with them, causing injury or damage.
Innovation Solution
A screen product with a mesh configuration that includes a first and second transparency pattern, where the second pattern is designed to be more visible, allowing users to detect the screen's presence through increased visibility and contrast.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the screen uses a fine mesh pattern to prevent debris entry, then protection effectiveness is improved, but visual detectability deteriorates
Solution Approach 1:
The patent applies color changes by incorporating a visible marker pattern that contrasts with the surrounding mesh. The marker uses different coloring (e.g., darker or more saturated colors) than the base mesh material, making the screen visually detectable while maintaining the fine mesh structure for debris protection.
Solution Approach 2:
The patent applies local quality by creating a differentiated mesh structure where specific regions contain the visible marker pattern with distinct thread density or coloring, while other regions maintain the standard fine mesh configuration. This allows localized visual indication without compromising overall protection effectiveness.
2Reliability
If the screen mesh is made finer to block smaller debris, then protection effectiveness is improved, but transparency increases making the screen harder to see
Solution Approach 1:
The visible marker pattern employs color changes to compensate for the increased transparency of fine mesh. By using contrasting colors or pigments in the marker threads, the screen becomes visually detectable even though the fine mesh allows more light transmission.
Solution Approach 2:
The patent introduces local quality variations by embedding the visible marker pattern within the fine mesh structure. The marker regions have different optical properties (color, density) that create visual contrast, allowing the screen to maintain both fine mesh protection and visual visibility.
3Ease of operation
If the screen material is made more transparent to allow better viewing through it, then air flow and visibility are improved, but the screen becomes harder to detect
Solution Approach 1:
The patent applies color changes by incorporating a visible marker pattern with contrasting colors against the transparent screen material. This allows the screen to remain transparent for viewing and air flow while the colored marker provides visual detection capability.
Solution Approach 2:
The visible marker pattern acts as an intermediary element between the transparent screen material and the user's visual detection system. It mediates the contradiction by providing visual indication without blocking the transparency needed for viewing and air flow.
Data Source
AI summary
A screen product such as a window screen or a door screen displays a visible marker. Different weave patterns and/or density patterns may be used to create the visible marker. Various methods may be employed for manufacturing or displaying the visible marker on the screen product. The visible marker allows the window screen or door screen to be visually perceived to prevent accidents and other mishaps.