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:
Oct. 23, 2012
Filed:
Jan. 30, 2009
Applicants:
Makoto Tsukamoto, Kanagawa, JP;
Jun Hirai, Tokyo, JP;
Ayataka Nishio, Kanagawa, JP;
Naomasa Takahashi, Chiba, JP;
Inventors:
Makoto Tsukamoto, Kanagawa, JP;
Jun Hirai, Tokyo, JP;
Ayataka Nishio, Kanagawa, JP;
Naomasa Takahashi, Chiba, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gradation converting device that converts gradation of an image includes: a dither unit that applies dither to the image by adding random noise to a pixel value forming the image; and a one-dimensional ΔΣ modulation unit that applies one-dimensional ΔΣ modulation to the image applied with the dither.