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:
Feb. 16, 2010
Filed:
Feb. 10, 2006
Applicants:
Hirotaka Chiba, Kawasaki, JP;
Tsugio Noda, Kawasaki, JP;
Inventors:
Hirotaka Chiba, Kawasaki, JP;
Tsugio Noda, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04N 1/40 (2006.01); H04N 1/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an encoding device that creates an image in which data is embedded, an embedding unit divides an image into a plurality of blocks, and embeds data in the image based on a difference in value of characteristics of adjacent blocks; and a restriction information recording unit records use restriction information that restricts use of embedded data.