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.

Date of Patent:
Nov. 08, 2022

Filed:

Dec. 17, 2020
Applicant:

Olympus Corporation, Tokyo, JP;

Inventor:

Takehiko Iguchi, Hino, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 23/24 (2006.01); A61B 1/00 (2006.01);
U.S. Cl.
CPC ...
G02B 23/243 (2013.01); G02B 23/2461 (2013.01); G02B 23/2476 (2013.01); A61B 1/0019 (2013.01);
Abstract

An optical unit includes a movable section that holds a movable lens group and includes a rotation restricting section, a fixed section that holds a fixed lens group and has specific permeability larger than 1.0, n thinned-down sections being provided in the fixed section, and a voice coil motor including an n magnet sections disposed at every (360/n)° around a center axis of the movable section and a coil section disposed in the fixed section. The n magnet sections are respectively housed in n thinned-down sections in a noncontact manner. The n thinned-down sections are formed in asymmetrical positions different from every (360/n)° around the center axis.


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