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. 24, 2008
Filed:
Mar. 10, 2005
Applicants:
Tetsu Fukue, Takatsuki, JP;
Satoshi Shigenaga, Nagaokakyo, JP;
Inventors:
Tetsu Fukue, Takatsuki, JP;
Satoshi Shigenaga, Nagaokakyo, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/69 (2006.01); G09G 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image processing apparatus carrying out a gamma correction for input data includes polygonal line approximating apparatus for carrying out the gamma correction by a polygonal line approximation, a look-up table partially storing gamma correction data corresponding to the input data, and a correction deciding portion and a selector which select the output of one of the polygonal line approximating apparatus and the look-up table corresponding to the input data.