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:
Jan. 27, 2026
Filed:
Mar. 21, 2023
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Masahiro Hideshima, Saitama, JP;
Masahiko Miyata, Saitama, JP;
Shinji Otsuka, Saitama, JP;
Takeya Abe, Saitama, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 13/36 (2021.01); G03B 5/02 (2021.01); H02K 11/02 (2016.01); H02K 11/21 (2016.01); H02K 41/035 (2006.01);
U.S. Cl.
CPC ...
G03B 13/36 (2013.01); G03B 5/02 (2013.01); H02K 11/02 (2013.01); H02K 11/21 (2016.01); H02K 41/0354 (2013.01); G03B 2205/0046 (2013.01); G03B 2205/0069 (2013.01);
Abstract
A drive device includes a magnetic circuit unit including a first yoke, a second yoke, and a first magnet, a magnetic circuit unit including the first yoke, the second yoke, a second magnet, a first coil that is bonded to a focus lens, in which the magnetic circuit units drive the first coil and the focus lens by an electromagnetic force generated in the first coil, the first magnet corresponds to a first movement amount of movement of the focus lens, and the second magnet corresponds to a second movement amount of movement of the focus lens.