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:
May. 15, 2018
Filed:
Mar. 24, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Daisuke Ishikawa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); G02B 7/28 (2006.01);
U.S. Cl.
CPC ...
H04N 5/23212 (2013.01); G02B 7/282 (2013.01);
Abstract
A lens control apparatus and a control method thereof are disclosed. The lens control apparatus includes a microprocessor which obtains a correction defocus amount so that the correction defocus amount obtained by the microprocessor when a zoom speed is a first speed is greater than the correction defocus amount obtained by the microprocessor when a zoom speed is a second speed which is less than the first speed.