US Patent 7375862 Method for multi-function scanner

Patent 7375862 was granted and assigned to Avision on May, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Avision

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73758620

Patent Inventor Names

Ching-Jung Tu0

Date of Patent

May 20, 2008

Patent Application Number

106336510

Date Filed

August 5, 2003

Patent Primary Examiner

‌

Houshang Safaipour

Patent abstract

A method for a multi-function scanner for scanning a document with a laser/anti-counterfeit mark includes the steps of: pre-scanning the document to obtain a preview image; recording a zone of the laser/anti-counterfeit mark selected by a user on the preview image as a marked zone; using a visible light source to scan the document so as to obtain a first image corresponding to the document excluding the marked zone; using an infrared right source to scan the document so as to obtain a second image corresponding to the marked zone; and combining the first image with the second image.

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