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:
Jun. 18, 2019
Filed:
May. 04, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Toshihiko Tomosada, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A focus adjustment apparatus includes an imaging unit, a focus detection unit configured to detect a focusing state based on a signal output from the imaging unit, a determination unit configured to determine whether an in-focus position is present within a predetermined range from a current position of a focus lens based on the detected focusing state, a control unit configured to perform control to correct the position of the focus lens moved by a manual operation according to a result of the determination made by the determination unit, and an acquisition unit configured to acquire from a storage unit a movement speed of the focus lens corresponding to the manual operation, wherein the control unit performs control to move the focus lens at a speed determined based on the movement speed acquired from the storage unit.