Systems and methods for distributing and viewing electronic documents
US7290285B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2001 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | May 11, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3246
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system for distributing an electronic version of a printed document is disclosed. The system comprises a memory device storing at least one document file that is based at least in part on a source document, which is an electronic version of a printed document. The system further comprises a distribution system programmed for: responding to requests from a client for delivery of a document file; retrieving a file copy from the memory device; assigning at least one right to the file copy, the right defining at least one action capable of being performed on at least a portion of the file copy; encrypting the file copy with a key based at least in part on the identity of the client and on the at least one right; and providing the encrypted file copy, with the associated key, to the client.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.