3D Identification Labels for Dual-Sided Barcode Readability
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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 between the barcode and the surface it is printed on, which can be aesthetically unpleasing and difficult to implement on visible surfaces.
Innovation Solution
The development of 3D identification labels, which are manufactured using additive manufacturing processes to create raised patterns on both sides of a surface, allowing them to be read from either side and enhancing contrast through varying heights, densities, and materials, enabling better visibility and readability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional 1D or 2D barcodes are printed on a surface, then data can be encoded and read, but the barcode can only be read from one side and requires sufficient contrast between the barcode and the surface
Solution Approach 1:
The patent transitions from traditional 2D flat barcodes to 3D raised surface barcodes. The barcode pattern is formed as a raised surface structure with varying heights, allowing light to interact with the three-dimensional topography. This dimensional change enables the barcode to be readable from multiple sides and angles while encoding data through the spatial configuration of the raised patterns rather than relying solely on planar contrast.
Solution Approach 2:
The patent employs curved and rounded features in the raised barcode patterns, creating smooth transitions and continuous surfaces. The raised patterns incorporate curved geometries that facilitate light reflection and refraction from multiple angles, enhancing readability from different sides while maintaining aesthetic appeal through organic, non-angular forms.
2Measurement precision
If traditional barcodes are printed with sufficient contrast between barcode and surface, then readability is improved, but aesthetic appeal deteriorates when placed on visible surfaces
Solution Approach 1:
The patent utilizes variations in surface color, reflectivity, and light interaction rather than stark contrasting colors. The raised barcode patterns create optical effects through their three-dimensional form, producing readable contrasts through light reflection, refraction, and shadowing rather than relying on painted or printed color differences. This allows the barcode to maintain aesthetic harmony with the underlying surface while remaining readable.
Solution Approach 2:
The patent applies localized surface modifications only where needed for barcode encoding, leaving the rest of the surface intact. The raised patterns are confined to specific regions, creating subtle textural variations rather than overwhelming the overall surface design. This localized approach preserves the aesthetic quality of the visible surface while providing sufficient contrast for barcode readability in the encoded regions.
3Ease of operation
If 3D identification labels are manufactured using additive manufacturing processes, then readability from either side is enabled and contrast is enhanced, but manufacturing complexity increases
Solution Approach 1:
The patent combines the barcode encoding function with the object manufacturing process itself. The raised barcode patterns are integrated into the additive manufacturing build process, creating the barcode structure as part of the object's geometry rather than as a separate post-processing step. This merging of functions allows dual-sided readability while utilizing the inherent capabilities of additive manufacturing to create complex three-dimensional forms.
Solution Approach 2:
The additive manufacturing process serves multiple purposes: it creates the object geometry, forms the raised barcode patterns, and establishes the surface topography for light interaction. The same manufacturing technology that produces the object's functional features also generates the identification label, eliminating the need for separate barcode application processes and reducing overall manufacturing complexity despite the three-dimensional nature of the barcode.
Data Source
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).