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:
Apr. 26, 2016
Filed:
Apr. 02, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Yukio Odaka, Kawasaki, JP;
Shinichiro Yano, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image pickup apparatus on which a lens unit is to be removably mounted includes an image pickup element, a first focus detection unit which performs a focus detection by a contrast detection method based on a signal output from the image pickup element, a second focus detection unit which performs a focus detection by a phase difference detection method based on a pair of image signals output from the image pickup element, and a control unit which performs a focus control based on an in-focus position detected by the first or second focus detection unit, and the control unit receives, from the mounted lens unit, first information related to a displacement of the in-focus position by the phase difference detection method and determines whether to use the second focus detection unit for the focus control according to the first information.