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:
Aug. 12, 2014
Filed:
Aug. 05, 2013
Olympus Medical Systems Corp., Tokyo, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
The present invention provides an image pickup unit including an objective lens including a plurality of optical system members via which an object image is formed, the image pickup unit including: a fixed barrel that holds a fixed lens in the objective lens; a moving lens holding barrel that holds a moving lens and is disposed so as to be slidable along an optical axis inside the fixed barrel; and a voice coil motor section that generates a drive force for moving the moving lens holding barrel relative to the fixed barrel along the optical axis, and the voice coil motor section is disposed so that a center axis of action of a generated thrust force passes through a gravity center of a driven member to be driven by the voice coil motor section.