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:
Jul. 19, 2022
Filed:
Feb. 20, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Masato Shiono, Hadano, JP;
Keita Iwai, Kawasaki, JP;
Kanae Nakamori, Kawasaki, JP;
Kohei Uemura, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 7/04 (2021.01); H02N 2/02 (2006.01); G02B 27/64 (2006.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G02B 15/146 (2019.08); G02B 27/646 (2013.01); H02N 2/02 (2013.01);
Abstract
A lens barrel according to the present disclosure includes a booster transformer that is arranged on an inner circumference side of a cam barrel and constitutes a power supply for an actuator. The booster transformer is arranged on a side surface of a barrel. The booster transformer is configured to move in an optical axis direction together with the barrel in accordance with rotation of the cam barrel.