3D Identification Labels for Dual-Sided Barcode Reading
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Solution Overview
Problem
Traditional 1D and 2D barcodes are limited in that they can only be read from one side and require sufficient contrast with the surface they are printed on, which can be aesthetically unpleasing and difficult to implement on visible surfaces.
Innovation Solution
The development of 3D identification labels with raised surfaces on both sides of a reference surface, allowing for reading from either side and enhanced contrast through varying heights, densities, or coatings, which can be manufactured using additive manufacturing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional 1D and 2D barcodes are printed on a flat surface, then the barcode can be manufactured with simple printing processes, but the barcode can only be read from one side and requires sufficient contrast with the surface
Solution Approach 1:
The patent transitions from traditional 2D flat barcodes to 3D barcodes with height variations. The barcode elements extend in the Z-dimension, creating raised or recessed features that encode additional information through their three-dimensional geometry, enabling reading from multiple angles and sides
Solution Approach 2:
The barcode is divided into multiple elements with varying heights, depths, or three-dimensional configurations. Each segment's vertical dimension contributes to the encoded data, allowing the barcode to be read from different perspectives while maintaining data integrity
2Measurement precision
If traditional barcodes require sufficient contrast between the barcode color and surface color, then the barcode can be read accurately by scanning devices, but this creates aesthetic issues when placed on visible surfaces
Solution Approach 1:
The patent utilizes variations in height, depth, or three-dimensional geometry of barcode elements to create optical contrast rather than relying solely on color differences. The 3D structure itself becomes the contrast mechanism, allowing the barcode to be read accurately while maintaining aesthetic appearance on visible surfaces
Solution Approach 2:
By adding the vertical dimension to barcode elements, the patent creates depth-based contrast that replaces traditional color-based contrast. The raised or recessed features provide sufficient optical variation for scanning devices to read the barcode accurately without requiring high-contrast colors that would compromise aesthetics
3Ease of operation
If 3D identification labels with raised surfaces are created using additive manufacturing, then reading from either side is enabled and aesthetic appearance is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The additive manufacturing process builds the barcode elements layer by layer in the vertical dimension, creating raised or recessed features that enable reading from multiple sides. The Z-dimension is utilized to create the 3D structure that provides multi-directional readability while being naturally suited to additive manufacturing capabilities
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 1E~1F
AI summary
The present disclosure relates to identification labels (105). Described herein are designs for 3D identification labels on objects (100), and methods and systems for designing and manufacturing such objects (100) with 3D identification labels (105).