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. 27, 2021
Filed:
Feb. 15, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Mitsuhiro Izumi, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/09 (2021.01); G02B 7/28 (2021.01); G02B 7/08 (2021.01);
U.S. Cl.
CPC ...
G02B 7/09 (2013.01); G02B 7/28 (2013.01); G02B 7/08 (2013.01);
Abstract
A lens driving apparatus that enables to improve responsiveness. The lens driving apparatus drives a lens in an optical axis direction. A holding member holds the lens and is movable in the optical axis direction. A first detection unit detects a position of the holding member in the optical axis direction as a current position. A second detection unit detects information about deformation of the holding member. A control unit controls movement of the holding member based on the current position and the information about deformation.