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:
Feb. 16, 2016
Filed:
Aug. 28, 2014
Olympus Corporation, Shibuya-ku, Tokyo, JP;
Satoshi Okawa, Hachioji, JP;
Olympus Corporation, Tokyo, JP;
Abstract
An optical instrument comprises a control section for driving a lens group in an optical axis direction, a first position detection section for detecting an absolute position of the lens group, a second position detection section for detecting a relative position of the lens group, and a storage section for storing first data corresponding to output of the second position detection section corresponding to a specified position, and second data corresponding to a target position, wherein, the control section acquires output of the second position detection section, at a point when a specified variation has occurred, as third data, calculates a stop target position based on the first data and the third data and executes a stop operation for the lens group to stop the lens group, and corrects output of the second position detection section in a state, based on the second data, and the stop target position.