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:
Dec. 11, 2018
Filed:
May. 23, 2017
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Akiko Nagahara, Saitama, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01); G02B 13/16 (2006.01); G02B 27/28 (2006.01); G02B 9/64 (2006.01); G02B 13/04 (2006.01);
U.S. Cl.
CPC ...
G02B 13/16 (2013.01); G02B 9/64 (2013.01); G02B 13/04 (2013.01); G02B 27/283 (2013.01);
Abstract
An imaging optical system consists of a first optical system and a negative second optical system in order from a magnified side. The second optical system forms an intermediate image, and the first optical system forms the intermediate image on a magnified-side conjugate plane. The second optical system consists of a positive front group and a back group in order from the magnified side. Predetermined conditional expressions are satisfied.