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:
Mar. 07, 2017
Filed:
Jul. 17, 2014
Canon Kabushiki Kaisha, Toyko, JP;
Shunsuke Miyajima, Utsunomiya, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An AF controller includes: a signal generator configured to generate an image signal pair for each of a plurality of areas in an imaging angle of view; a target position deriver configured to derive a driving target position of a focus lens based on a defocus amount derived by the image signal pair input from the signal generator and based on an acquired position of the focus lens; and a driving command unit configured to output a driving command of the focus lens based on the driving target position, wherein the driving command unit outputs the driving command of the focus lens based on the driving target position in a range of a threshold.