Facsimile and static presentation processing – Facsimile – Picture signal generator
Reexamination Certificate
1998-03-27
2001-12-04
Lee, Cheukfan (Department: 2722)
Facsimile and static presentation processing
Facsimile
Picture signal generator
C358S474000
Reexamination Certificate
active
06327058
ABSTRACT:
FIELD OF THE INVENTION
This invention relates generally to scanners, copiers, facsimile machines and other devices used for transforming an optical image of a document into a electronic signal and more specifically to holding an auxiliary image in place such that the auxiliary image intentionally is included in and added to the electronic signal.
BACKGROUND OF THE INVENTION
Electronic document scanners, copiers, and facsimile machines transform an optical image of a document into an electric signal suitable for storing, displaying, printing or electronic transmission. There is a need to mark certain documents with an “electronic watermark.” An electronic watermark is any auxiliary image that will he added to die electronic copy of the original document. The electronic watermark could be a company name or symbol, or it could be information used to track which scanner, copier, or facsimile machine was used to create the reproduction or it could be the name of the person creating the reproduction.
SUMMARY OF THE INVENTION
An auxiliary image or symbol is positioned on a scanner, copier, or facsimile machine such that the auxiliary image or symbol intentionally is included in and added to the electronic version of the document being reproduced. In an example embodiment, an apparatus has a holder to position the auxiliary image or symbol onto the document that will be converted into electronic form. The holder allows the auxiliary image or symbol to be easily changed or removed.
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Erickson Michael D.
Webb Steven L.
Youngers Kevin J.
Hewlett--Packard Company
Lee Cheukfan
Webb Steven L.
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