Background image security feature
US10486454B2 · kind B2 · utility
0Cited by
4References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 13, 2014 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Mar 27, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/41
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security document and a method for producing a security document are described. The security document includes a plurality of spaced spots integrally formed in the security document. The plurality of spaced spots and printed data overlap. The spaced spots are arranged to form an image. The method includes controlling a laser of a laser marking printer to integrally form the plurality of spaced spots in the security document. The plurality of spaced spots and printed data overlap on the security document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.