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:
Jul. 22, 2014
Filed:
Feb. 23, 2011
Satoru Ito, Komae, JP;
Satoru Ito, Komae, JP;
Olympus Imaging Corp., Tokyo, JP;
Abstract
An imaging device of the present invention comprises an imaging section for forming a subject image using a photographing lens and generating image data, a contrast detection section for detecting contrast values corresponding to contrast of the subject image, for every position of the photographing lens, based on the image data, a subject brightness detection section for detecting brightness evaluation values corresponding to subject brightness of the subject image for every position of the photographing lens, based on the image data, a correction section for correcting the contrast values depending on a brightness evaluation value for a corresponding position of the photographing lens and calculating corrected contrast value, and a focus detection section for detecting a focus position of the photographing lens based on the corrected contrast values that have been corrected by the correction section.