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:
Sep. 03, 2019
Filed:
Jan. 28, 2015
Applicant:
Nikon Corporation, Tokyo, JP;
Inventor:
Toru Iwane, Yokohama, JP;
Assignee:
NIKON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); G02B 7/09 (2006.01); G02B 3/00 (2006.01); G02B 7/34 (2006.01); G03B 13/36 (2006.01); G03B 19/12 (2006.01);
U.S. Cl.
CPC ...
H04N 5/23212 (2013.01); G02B 3/0056 (2013.01); G02B 7/09 (2013.01); G02B 7/34 (2013.01); G03B 13/36 (2013.01); G03B 19/12 (2013.01);
Abstract
A focus detection device includes: an image capture unit that has a plurality of light receiving units provided for each of a plurality of micro lenses, and that captures image by light from a subject that has passed through an optical system; and a focus detection unit that detects a focusing state of the optical system according to a relative positional deviation of the images of the subject with respect to the micro lenses, with the image of the subject being created by each of the micro lenses and being captured by the image capture unit.