Grating Image Having Mutually Adjoining Grating Fields
Patent No. EP2633347 (titled "Grating Image Having Mutually Adjoining Grating Fields") was filed by Giesecke & Devrient on Oct 26, 2011. The application was issued on Sep 24, 2025.
Patent Summary
A grid image for security applications, comprising a plurality of adjacent grid fields with a diffuse, viewing angle-dependent visual appearance. Each grid field is filled with a grid pattern of straight dashed lines, with each pattern having a preferred direction that defines a viewing angle from which the pattern is visually recognizable. The grid patterns can be achromatic, creating a matte appearance, and can feature various contour shapes and line variations to enhance security features.
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Date
Description
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EP2633347
- Application Number
- EP11785324A
- Filing Date
- Oct 26, 2011
- Status
- Patent Maintained As Amended
- Aug 22, 2025
- Publication Date
- Sep 24, 2025
- External Links
- Slate, Register , Google Patents