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:
May. 18, 2010
Filed:
Mar. 29, 2005
Applicants:
Seiji Okada, Hirakata, JP;
Yukio Mori, Hirakata, JP;
Atsufumi Kinoshita, Osaka, JP;
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); H04N 5/228 (2006.01);
U.S. Cl.
CPC ...
Abstract
Distortion data discretely stored in a distortion data memoryare read out by a selectorand fed to a signal processor. For each coordinate position, the signal processorcalculates an approximation formula representing an image height-distortion curve based on the distortion data fed thereto, and performs distortion correction based on the approximation formula.