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. 22, 2013
Filed:
May. 25, 2012
Mitsuru Toyama, Hachioji, JP;
Tamotsu Koiwai, Akiruno, JP;
Takeshi Ito, Hino, JP;
Olympus Imaging Corp., , JP;
Abstract
A lens barrel includes an operation member adapted to be movable to a first position and a second position and turnable at each of the positions, a turning member adapted to turnably engage with the operation member at the second position, and disengage from the operation member at the first position, a first detection unit adapted to detect a turning position of the turning member configured to turn in engagement with the operation member, a second detection unit adapted to detect a turning amount and a rotational direction of the operation member when the operation member is disengaged from the turning member, and a moving unit adapted to move the focusing lens along the optical axis based on an output from the first detection unit or the second detection unit.