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:
Jul. 20, 2021

Filed:

Nov. 20, 2018
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Masaru Amano, Saitama, JP;

Yukiko Nagatoshi, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); H04N 9/31 (2006.01); G02B 13/16 (2006.01); G02B 13/04 (2006.01); G02B 27/14 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 13/0065 (2013.01); G02B 13/04 (2013.01); G02B 13/16 (2013.01); H04N 9/317 (2013.01); G02B 27/149 (2013.01); H04N 5/2254 (2013.01);
Abstract

The imaging optical system consists of, in order from a magnification side: a first imaging optical system that forms an intermediate image on a position conjugate to a magnification side imaging surface; and a second imaging optical system that re-forms the intermediate image on a reduction side imaging surface. The first imaging optical system consists of, in order from the magnification side, a first A lens group, a first optical path deflection unit that deflects an optical path, a first B lens group, and a second optical path deflection unit that deflects the optical path. In addition, the intermediate image is formed between the second optical path deflection unit and the second imaging optical system.


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