Thumbnail audit trail in MFP and print processor/spooler-based print-job auditing
US7397578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jul 31, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3274
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Structure and methodology for creating a content-informative audit trail derived from text, vector information and imagery, and taking the form of a reduced-size data extraction from a document-job data-stream, such as a data-stream which exists in the context of a document printing, copying, scanning, e-mailing, and faxing job, etc. Selected, reduced-content components of a subject document data-stream are extracted according to various extraction approaches, and extracted information is stored in a appropriate storage site for later review to give an indication of just what printing, scanning, copying, etc activity has taken place with respect to different identified documents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.