Secure physical documents, and methods and apparatus for publishing and reading them
US7309017B2 · kind B2 · utility
2Cited by
22References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2003 |
| Grant date | Dec 18, 2007 |
| Priority date | — |
| Expiry date | Oct 31, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D2033/46
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security document, comprises a printed document and one or more memory circuits adapted to be read wirelessly attached to or incorporated within the printed document, wherein data in the memory circuit is protected from access by an unauthorised reader, and wherein the memory circuit is physically isolated so as to inhibit physical tampering or to indicate when physical tampering has occurred. Methods of publishing and of reading such security documents are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.