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. 01, 2016
Filed:
Mar. 14, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Hideaki Sambonsugi, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A focus detection apparatus is arranged to obtain image data of an object obtained by an imaging unit having a pupil division unit of a photographing optical system for forming an optical image of the object, obtain setting information of a focus detection mode of the photographing optical system, set a focus detection area set into a pixel array area of the imaging unit, by dividing a predetermined area into a plurality of division areas in accordance with the focus detection mode and arranging the plurality of division areas in accordance with a different positional relation, form focus detection information by using the image data of the set focus detection area, and generate a drive signal of the photographing optical system on the basis of the focus detection information.