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. 03, 2018
Filed:
Mar. 22, 2016
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/04 (2006.01); G02B 7/10 (2006.01); G03B 3/10 (2006.01);
U.S. Cl.
CPC ...
G02B 7/10 (2013.01); G03B 3/10 (2013.01);
Abstract
A lens barrel in the present disclosure includes: a lens frame; a movable lens held in the lens frame; a guide member that moves the lens frame in a first direction; a driver including a drive coil and a magnet that move the lens frame with electric power being supplied to the driver; a drive circuit that drives the driver; and a switching circuit that short-circuits ends of the drive coil when the drive circuit is in a non-energized state.