Supercharge Your Innovation With Domain-Expert AI Agents!

Method for authenticating a security element, and optically variable security element

A security element, optical technology, used in computer parts, information-carrying cards, character and pattern recognition, etc., can solve problems such as inappropriate equipment

Active Publication Date: 2016-09-07
LEONHARD KURZ STIFTUNG & CO KG +2
View PDF3 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fixed devices described are not suitable for this

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for authenticating a security element, and optically variable security element
  • Method for authenticating a security element, and optically variable security element
  • Method for authenticating a security element, and optically variable security element

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0184] A security element 1 for protecting a document 2 against forgery has optically detectable information, said information preferably comprising at least one visually perceptible subject 11, such as figure 1 shown. Theme 11 may be a symbol, a logo, a picture, a sign, an alphanumeric character or a number. Alternative documents may also relate to commercial products and their labels and / or warranties or to tickets or vouchers.

[0185] The visually perceptible theme is preferably at least partially generated by the light barrier structure of the security element 1 . Here grating structures are diffractive structures, zero-order diffractive structures, blazed gratings, linear or crossed sinusoidal grating structures or binary grating structures, macroscopic structures, especially refractive lens structures, or microprism structures, mirror surfaces, extinction Structures, especially anisotropic or isotropic matting structures, or combinations of the above mentioned structu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for authenticating an optically variable security element (1), in particular a diffractive security element, said method involving steps: a) capturing an image sequence comprising at least one individual image of the security element (1) by means of a sensor (31), in particular of a hand-held device (3), preferably a smartphone, tablet or PDA; and b) verifying whether at least one piece of predefined optical information is included in at least one individual image of the image sequence.

Description

technical field [0001] The invention relates to a method for authenticating a security element, a device, a computer program product and a server for carrying out said method, and an optically variable security element for use with such a method . Background technique [0002] Optically variable security elements are used in a wide variety of applications for securing documents, banknotes or products to be authenticated against counterfeiting. Since such security elements produce different visual effects under different viewing and / or illumination angles, such security elements cannot be counterfeited simply by copying, duplicating and imitating. [0003] Usually, such security elements have a defined optical design, which can be verified by simple visual inspection. But high-quality forgeries that differ from the original in only a few details can no longer be reliably identified on visual inspection. Visual inspection is not suitable when a large number of documents or ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G07D7/00G07D7/1205G07D7/206B42D25/30
CPCG07D7/128G07D7/2083G06T7/13G07D7/003G07D7/206B42D25/305B42D25/36B42D25/337B42D25/324B42D25/328B42D25/378G06V30/418G06F18/214G06T5/70B42D25/30B42D25/23B42D25/24B42D25/29B42D25/342B42D25/351B42D25/369B42D25/373G06T5/20G06T2207/20021G06T2207/20081G06T2207/30176
Inventor A·席林U·弗里泽尔B·施米泽W·R·汤普金J·梅茨格R·翁德拉切克A·古格尔
Owner LEONHARD KURZ STIFTUNG & CO KG
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com