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:
Dec. 08, 2020
Filed:
Nov. 16, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Nobuhiro Shibata, Inagi, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A focus detection apparatus comprising: a setting unit that selects and sets one of a plurality of predetermined focus detection areas which include a first focus detection area and a second focus detection area located in a periphery of a screen in an image shooting mode for shooting the moon; a first calculation unit that calculates an in-focus position in the first focus detection area based on a phase difference between a pair of focus detection signals having a parallax output from an image sensor; and a second calculation unit that calculates an in-focus position in the second focus detection area based on contrast of image signals output from the image sensor.