Secured document and associated system and method for securing documents
US11520914B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 15, 2019 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Oct 8, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00629
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
For protecting confidential information in a printed document, the invention provides a system and method for, on one hand, encrypting the confidential content of the document and then printing the part or parts of the document with confidential information in an encrypted form and the rest of the document in a non-encrypted form, and, on the other hand, decrypting the encrypted document content for display and use or for printing. In addition, for preventing unauthorized copying and tampering of a printed document, the invention provides a system and method for managing a unique tag, which is attached to the document and which authenticates the document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.