Document management method using barcode to store access...

Details Document management method using barcode to store access... Document management method using barcode to store access...

2011-01-04

2011-01-04

Couso, Yon (Department: 2624)

Image analysis

Image transformation or preprocessing

Image storage or retrieval

C235S462010

Reexamination Certificate

active

07865042

ABSTRACT:
A method is described in which metadata regarding a document is encoded as 2d barcode printed on the same recording medium as the document, where the metadata includes an access history of the document and other information. When a printed document including such barcode is copied, the copy includes new barcode containing updated metadata that replaces the original barcode, where the updated metadata includes a record of the current copying or scanning action. When a printed document including such barcode is scanned, the metadata contained in the barcode is extracted and stored. Also described is a document management system including a server connected to one or more clients, scanners, printers, and a storage device for storing documents and metadata. The server includes a digital stamp engine that generates barcode data representing metadata, and supports a variety of workflows including print, barcode generation, scan, copy, barcode update, etc.

REFERENCES:
patent: 5113445 (1992-05-01), Wang
patent: 5490217 (1996-02-01), Wang et al.
patent: 5760382 (1998-06-01), Li et al.
patent: 2004/0267595 (2004-12-01), Woodings et al.
patent: 2006/0158979 (2006-07-01), Nakamura et al.

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