Secure Color to Patterned Security Feature Conversion
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Solution Overview
Problem
Current methods for adding security features to graphic documents are often cumbersome and require graphic designers to select and implement security features, which can be confusing and insecure, as they need to know the details of the security features used, potentially compromising the document's authenticity.
Innovation Solution
The system allows graphic designers to select a secure color for a designated security area within the document, which is then converted by the printing system into a patterned security feature like microtext or microgloss, without revealing the specific security feature used, using base colorants and avoiding specialized inks, ensuring the security feature is only visible under magnification or specific conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If graphic designers select and implement security features directly, then security features can be added to documents, but the process becomes cumbersome and security is compromised because designers need to know detailed security feature information
Solution Approach 1:
The patent extracts the security feature selection and implementation process from the graphic designer's workflow. The designer only selects a secure color, while the printing system automatically handles the conversion to appropriate security patterns (microtext, microgloss, etc.). This separation removes the burden of security knowledge from designers while maintaining document security.
Solution Approach 2:
The printing system acts as an intermediary between the designer's secure color selection and the final security feature implementation. The system's processor automatically converts the secure color into appropriate security patterns without requiring the designer to specify which pattern to use, thus protecting security details while enabling easy design workflow.
2Reliability
If specialty inks are used for security features, then counterfeiting is prevented, but the cost and complexity of printing increases
Solution Approach 1:
The patent changes the parameter of ink type from specialty inks to standard base colorants (CMYK). The security effect is achieved not through special materials but through pattern conversion - transforming a uniform secure color into microtext or microgloss patterns using ordinary printing inks. This maintains anti-counterfeiting capability while reducing printing system complexity.
Solution Approach 2:
The system transforms a single secure color into multiple visual states through pattern conversion. The same secure color appears as a uniform color at normal viewing distances but reveals security patterns (microtext, microgloss) under magnification or specific lighting conditions. This color-to-pattern transformation provides security without requiring specialty inks.
3Reliability
If secure color is converted to patterned security feature, then security is enhanced, but the converting process adds complexity to the printing system
Solution Approach 1:
The printing system's processor automatically performs the conversion from secure color to security patterns without requiring manual intervention or complex external processing. The system self-manages the conversion process by detecting secure colors and automatically applying appropriate pattern transformations (microtext, microgloss, etc.) during the normal printing workflow.
Solution Approach 2:
The printing system integrates multiple functions into a single conversion process: color detection, pattern selection, and pattern generation are all performed by the processor during standard document preparation. The same conversion mechanism handles different secure colors and generates different security patterns, providing universal security enhancement without adding separate complex subsystems.
Data Source
AI summary
A printing system receives a graphic document having a security area. The graphic document identifies a secure color to print in the security area. The graphic document is converted for printing by a printing engine of the printing system. This converting substitutes a secure patterned color in place of the secure color. The specific printing engine prints the printing bitmap to output a printed version of the graphic document with the secure patterned color in the security area. The security area of the printed version of the graphic document has a color appearance, and the secure color does not identify the type of security feature within the secure patterned color.