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:
Aug. 03, 2004
Filed:
Jan. 31, 2000
Hitoshi Osaka, Okayama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a situation where a data portion is considered as of higher importance in the course of preparation of original data, the designer is enabled to set the electronic watermark in a position that is judged appropriate by the designer. There are provided input means for setting and entering information to be added as the electronic watermark, area data preparation means for setting and preparing the area data of the electronic watermark, first display/reproduction means for displaying or reproducing the digital data in which the electronic watermark is to be applied, electronic watermark addition means for adding the electronic watermark to the digital data, and second display/reproduction means for displaying or reproducing the digital data to which the electronic watermark is added, thereby setting the electronic watermark in a specified area in the digital data and satisfactorily preventing the infringement of the copyright by tampering of the work.