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. 13, 2022
Filed:
Aug. 13, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Hideyasu Hongu, Yokohama, JP;
Makoto Yokozeki, Yokohama, JP;
Kazunori Ishii, Yokohama, JP;
Atsushi Kato, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); G03B 13/36 (2021.01); G02B 7/34 (2021.01); G03B 3/10 (2021.01);
U.S. Cl.
CPC ...
H04N 5/23212 (2013.01); H04N 5/23299 (2018.08);
Abstract
An apparatus includes at least one processor programmed to perform operations of the following units: a focus detection unit configured to detect a defocus amount; and a control unit configured to control a focus lens to move based on the defocus amount, wherein the control unit includes three speed control patterns of acceleration control, constant speed control, and deceleration control, and the speed control patterns are changed based on at least two or more parameters.