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:
Feb. 10, 2015
Filed:
Oct. 19, 2010
Applicant:
Tomokazu Yoshida, Ebina, JP;
Inventor:
Tomokazu Yoshida, Ebina, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/04 (2006.01); G06M 7/00 (2006.01); G02B 7/28 (2006.01);
U.S. Cl.
CPC ...
G02B 7/28 (2013.01);
Abstract
An auto focus adjustment apparatus includes: a correction unit which corrects a defocus amount detected by a defocus amount detection unit, correspondingly to a focus area selected from a plurality of focus areas; a storage unit which stores a correction value to be used by the correction unit at a time of correcting the defocus amount; and a correction value changing unit configured to change the correction value, wherein the correction value changing unit is arranged to be capable of changing the correction value for a plurality of selected focus areas and at a plurality of zoom positions.