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. 29, 2016
Filed:
Oct. 10, 2014
Applicant:
Nikon Corporation, Tokyo, JP;
Inventors:
Kunihiro Fukino, Fujisawa, JP;
Masaaki Kusano, Kawasaki, JP;
Assignee:
NIKON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 7/02 (2006.01); G02B 7/10 (2006.01); G03B 3/10 (2006.01); G02B 7/04 (2006.01); G02B 15/16 (2006.01);
U.S. Cl.
CPC ...
G02B 7/10 (2013.01); G02B 7/021 (2013.01); G02B 7/023 (2013.01); G02B 7/04 (2013.01); G02B 7/102 (2013.01); G02B 15/161 (2013.01); G03B 3/10 (2013.01); G03B 2205/0046 (2013.01);
Abstract
A lens barrel having an image forming optical system including a first optical system and a second optical system which is moveable independently from the first optical system, a first driving portion which drives the first optical system during a magnification changing operation of the image forming optical system, and a second driving portion which drives the second optical system during the magnification changing operation, along with driving the second optical system during a focus adjustment of the image forming system.