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US 11,077,697 B2Granted
Security document and method for the authentication thereof
AssigneeOVD Kinegram AG
InventorsJohn Anthony Peters, Achim Hansen, Rene Schadler
Life of this patent
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Abstract
A security document with a first security element, which includes a first item of visually recognizable and in particular machine-readable information, and a second security element, which includes a second item of in particular machine-readable information which can be used to verify the first item of information. A method for the authentication thereof is also described.
Claims17
A method for authenticating a security document with the following steps:
- reading a first item of visually recognizable and machine-readable information from a first security element;
- reading a second item of machine-readable information from a second security element;
- verifying the first item of information by reference to the second item of information wherein at least one of the reading steps comprises:
- capturing an image sequence or a video of the security document by recording the security document from different angles;
- and
- verifying a presence of an optically variable element or an optically variable security feature by verifying a desired optical change of the optically variable element or of the optically variable security feature in the captured image sequence or video.
3 more elements
Dependencies are inferred from the claim text.