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. 09, 2025
Filed:
Sep. 02, 2022
Olympus Corporation, Hachioji, JP;
Yuichi Wataya, Hachioji, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An optical unit includes a fixed barrel configured to accommodate a moving barrel configured to hold an optical element configured to form an object image and formed of a nonmagnetic body to be able to advance and retract between a first position and a second position in a direction along an optical axis, a first magnet provided at the fixed barrel and configured to attract the moving barrel in a first direction along the optical axis to hold the moving barrel at the first position, a coil configured to attract the moving barrel in a second direction opposite to the first direction along the optical axis to hold the moving barrel at the second position by a magnetic field generated by being energized, and a second magnet provided at the moving barrel and configured to be attracted by the first magnet and the magnetic field of the coil.