Transparent Ruler with Cutout Windows for Material Alignment
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Solution Overview
Problem
Existing rulers with opaque markings interfere with viewing the underlying material, making accurate alignment and cutting difficult, especially on light and dark materials, and previous solutions with multiple colors or dashed lines often compromise visibility.
Innovation Solution
A transparent substrate with a continuous channel formed by two lines and a plurality of third lines that create visually discernable windows, allowing for unobstructed viewing of the underlying material, with grid line segments positioned within the windows to enhance measurement and cutting accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Difficulty of detecting and measuring
If opaque markings are used on transparent rulers, then visibility of markings is improved, but viewing of underlying material is interfered with
Solution Approach 1:
The patent applies local quality by creating windows with specific optical properties (transparent or translucent) at designated locations on the ruler, while other areas maintain opaque markings. This allows different regions to serve different functions: windows provide unobstructed viewing for alignment, while opaque areas provide visible markings for measurement references.
Solution Approach 2:
The ruler surface is segmented into multiple windows of varying sizes and transparency levels. Each window can be independently optimized for its specific function - some for maximum transparency to view underlying material, others with partial opacity for enhanced marking visibility. This segmentation resolves the contradiction by distributing different optical properties across the surface.
2Difficulty of detecting and measuring
If multiple color lines are used to improve visibility, then marking contrast is enhanced, but viewing interference increases
Solution Approach 1:
The patent utilizes color changes by incorporating translucent or transparent windows that may have different color characteristics compared to the opaque markings. These windows can be clear, lightly tinted, or have subtle color variations that provide contrast without blocking the view of underlying material, thus resolving the contradiction between marking visibility and viewing clarity.
3Object-affected harmful factors
If dashed lines or viewing areas are used, then viewing capability is improved, but alignment accuracy is reduced
Solution Approach 1:
The patent applies local quality by creating windows with specific optical properties (transparent or translucent) at designated locations on the ruler, while other areas maintain opaque markings. This allows different regions to serve different functions: windows provide unobstructed viewing for alignment, while opaque areas provide visible markings for measurement references.
Solution Approach 2:
The patent resolves the contradiction by adding a dimensional aspect - creating windows of various sizes and transparency levels at different positions. This multi-dimensional approach allows simultaneous optimization for both viewing capability and alignment accuracy, as the window configuration can be tailored to provide clear views while maintaining reference markings for precise alignment.
Data Source
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AI summary
A device for measuring, marking and cutting material, the device formed of a clear, transparent, translucent or tinted substrate that is either rigid, semi-rigid, flexible or bendable and having in one implementation, a plurality of first and second lines are formed on the substrate to define an unbroken, continuous channel in which a plurality of windows are formed to include a grid line segment to aid in aligning the device with the underlying material. Alternatively or in addition, the device includes one or more visually perceptible invisible lines bounded by opposing line segment pairs and terminal ends to aid in viewing and aligning with underlying material.