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. 28, 2019
Filed:
Oct. 25, 2017
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Koh Mohri, Hachioji, JP;
Olympus Corporation, Tokyo, JP;
Abstract
In a focus adjustment method for an imaging apparatus, that, in order to focus on a single or a plurality of point light sources, acquires plurality of image data while moving a focus lens in an optical axis direction and carries out focus adjustment based on the image data, brightness values of pixels within a given evaluation region are detected based on the image data, high brightness evaluation values are calculated based on the brightness values, symmetry of the high brightness evaluation values are calculated for movement of the focus lens, and focus adjustment is carried out based on an extreme value calculated based on the symmetry.