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:
Oct. 26, 2021

Filed:

Sep. 25, 2019
Applicant:

Olympus Corporation, Hachioji, JP;

Inventor:

Yoshihiro Uchida, Hachioji, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/04 (2006.01); G02B 23/24 (2006.01); G02B 30/24 (2020.01);
U.S. Cl.
CPC ...
G02B 13/04 (2013.01); G02B 23/243 (2013.01); G02B 30/24 (2020.01);
Abstract

An optical system for stereoscopic vision includes a first optical system and a second optical system. Each of the first optical system and the second optical system includes a front unit, a stop, and a rear unit having a positive refractive power. Each of the two front units includes a first negative lens, and the first negative lens is a lens positioned nearest to an object. Each of the two stops moves in a direction parallel to a plane including an optical axis of the first optical system and an optical axis of the second optical system. Both the stops move to be drawn away from a central axis or move to come closer to the central axis, and the following conditional expressions (1) and (2) are satisfied:−20.0<1/IH<−0.5  (1)1.5</IH<7.5  (2).


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Uchida, Yoshihiro. (2021). Optical system for stereoscopic vision and endoscope using the same (U.S. Patent No. 11156809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11156809

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