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:
Sep. 08, 2020
Filed:
Jul. 09, 2018
Olympus Corporation, Tokyo, JP;
Koichiro Yoshino, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A focus control device includes a region setting sectionthat sets a plurality of regions, each including a plurality of pixels, to an image acquired by an imaging section, an AF evaluation value calculation sectionthat calculates an AF evaluation value of each of the plurality of regions, an invalid region setting section (invalid block setting section) that sets an invalid region (low contrast determination invalid block) in the plurality of regions, a low contrast state determination sectionthat determines whether or not the target subject is in a low contrast state based on the AF evaluation value of a region, in the plurality of regions, other than the invalid region, and a focus control sectionthat controls an in-focus object plane position based on the AF evaluation value. The focus control sectionis configured to implement the focus control varying depending on a determination result obtained by the low contrast state determination section