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.

Date of Patent:
Aug. 01, 2023

Filed:

Jul. 19, 2019
Applicant:

Nikon Corporation, Tokyo, JP;

Inventors:

Yuki Kita, Kawasaki, JP;

Akira Kinoshita, Yokohama, JP;

Assignee:

NIKON CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/34 (2021.01); H04N 23/67 (2023.01);
U.S. Cl.
CPC ...
G02B 7/34 (2013.01); H04N 23/67 (2023.01);
Abstract

A focus detection device includes: an imaging unit having a first pixel and a second pixel each of which receives light transmitted through an optical system and outputs signal used for focus detection; an input unit to which first information regarding a position on an image plane and an exit pupil distance of the optical system is input; a selection unit that selects a first focus detection based on the signal having been output from the first pixel or a second focus detection based on the signal having been output from the second pixel, based on the first information having been input to the input unit; and a focus detection unit that performs the first focus detection or the second focus detection based on a selection by the selection unit.


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