The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 2012
Filed:
Mar. 12, 2004
Kurato Maeno, Saitama, JP;
Kurato Maeno, Saitama, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
The present invention is relate to watermark information embedding apparatus and method for the same, watermark information detecting apparatus and method for the same, and method of containing watermark document. A document image generator () generates a document image according to document data (). A watermark image generator () generates a watermark image. The watermark information () is denoted with dot pattern, and the dot pattern within the outline of the watermark information are of special value. A synthesizer () overlaps document image generated from the document image generator () and the watermark image generated from the watermark image generator () so as to generate a containing watermark document image.