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:
Nov. 06, 2018
Filed:
Jan. 24, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Yumi Takao, Nagareyama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image pickup apparatus is capable of executing automatic focus detection of an imaging optical system, and includes a first acquisition unit configured to acquire aberration information of the imaging optical system, a second acquisition unit configured to acquire object information of an object in a focus detecting area, a calculation unit configured to calculate, based on the aberration information of the imaging optical system and the object information, a correction value used to correct a difference between a focus state of a captured image and a result of the automatic focus detection, caused by the aberration of the imaging optical system, and a correction unit configured to correct the result of the automatic focus detection using the correction value.