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:
Oct. 09, 2018
Filed:
Mar. 07, 2017
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Hideo Onishi, Osaka, JP;
Abstract
A lens barrel includes a fixed frame, an annular operation ring rotatable with respect to the fixed frame, a drive frame rotatable together with the operation ring with respect to the fixed frame, a mobile frame movable together with lens held by the mobile frame along an optical axis direction based on a rotation of the drive frame, a coil array fixed to any one of the fixed frame and the drive frame and composed of a plurality of coils disposed alongside in a circumferential direction, and a magnet array fixed to the other of the fixed frame and the drive frame and composed of a plurality of magnets disposed alongside in the circumferential direction, in which the drive frame is rotated by electromagnetic force generated by supplying a current to the coil array, and the mobile frame is driven along the optical axis direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile