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. 05, 2019
Filed:
Feb. 28, 2014
Nikon Corporation, Tokyo, JP;
Hiroaki Takahara, Matsudo, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
An imaging apparatus is provided which comprises: an imaging unitthat captures an image through an optical system and outputs an image signal corresponding to the captured image; a focus detection unitthat uses the image signal as the basis to detect a focal state of the optical system at a plurality of focus detection positions set in an image plane of the optical system; a calculation unitthat calculates a limit value at a closing side of an aperture value of the optical system as a closing side limit value, the limit value corresponding to a focus detection position when the focus detection unitperforms focus detection; and a control unitthat, when the focus detection unitperforms focus detection, sets the aperture value of the optical system on the basis of the closing side limit value corresponding to the focus detection position for performing focus detection.