Tactile security feature for document and signature authentication
US7925043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Feb 9, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D2035/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A system and method create an authentication mark on a recording medium by depositing marking material on a medium in an image area to create a marking material image and to create a marking material authentication image. A predetermined amount of additional marking material is further deposited upon the medium in the authentication image area to increase an amount of marking material associated with the marking material authentication image in the authentication image area. The fixed marking material associated with the authentication image area is a tactilely perceptible authentication mark wherein the fixed marking material associated with the authentication mark has a height, with respect to a surface of the medium, that is tactilely perceptible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.