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. 06, 2022
Filed:
Aug. 07, 2018
Applicant:
Nikon Corporation, Tokyo, JP;
Inventors:
Assignee:
NIKON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2021.01); G02B 7/04 (2021.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G02B 7/021 (2013.01);
Abstract
A lightweight lens barrel that includes two focus lenses. The first lens holding frame for holding a first lens L, a first drive unit STMfor causing the first lens holding frame to move in the optical axis direction, a second lens holding frame for holding a second lens L, and a second drive unit STMfor causing the second lens holding frame to move in the optical axis direction, the first lens holding frame being arranged on an inner peripheral side of the second lens holding frame.