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:
Oct. 17, 2023
Filed:
Sep. 06, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Satoshi Maruyama, Tochigi, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A control apparatus for a lens apparatus to be detachably attached to an image pickup apparatus and including first and second focus lenses that are independently movable during focusing includes an acquisition unit for acquiring optical data that include information on a focus sensitivity of the first focus lens, and information on a focus sensitivity of the second focus lens, and a calculation unit for calculating a moving speed of the first focus lens using a target image plane speed acquired from the image pickup apparatus, target positions of the first and second focus lenses, current positions of the first and second focus lenses, and the optical data, and to calculate a moving speed of the second focus lens using the target positions of the first and second focus lenses, and the current positions of the first and second focus lenses.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile