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:
Mar. 08, 2016
Filed:
Dec. 12, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Masaaki Uenishi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A focus adjustment apparatus comprises: a focus adjustment unit configured to execute focus adjustment processing by driving a focus lens based on focus evaluation values calculated respectively for periodically sensed images while scanning the focus lens within a predetermined scan range; a first processing unit configured to execute processing, an operation of which is affected by driving of the focus lens; a second processing unit configured to execute processing, an operation of which is not affected by driving of the focus lens; a determination unit configured to determine a start position of the scan range; and a control unit configured to control the first processing unit to execute the processing before the focus lens is scanned to the start position, and controls the second processing unit to execute the processing during the scan of the focus lens to the start position.