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:
Jun. 21, 2016

Filed:

Dec. 09, 2013
Applicant:

Olympus Corporation, Tokyo, JP;

Inventor:

Keiji Murata, Tokyo, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/04 (2006.01); G02B 23/24 (2006.01); A61B 1/00 (2006.01); A61B 1/055 (2006.01);
U.S. Cl.
CPC ...
G02B 23/2407 (2013.01); A61B 1/00096 (2013.01); A61B 1/00197 (2013.01); A61B 1/055 (2013.01); G02B 23/243 (2013.01);
Abstract

Provided is an endoscope objective optical system including, in order from an object side, an aperture stop, a front group having positive refractive power, and a rear group having positive refractive power, in which the rear group is formed by joining a single lens having positive refractive power and a single lens having negative refractive power and is joined to an imaging device; a joining surface between the single lenses has positive refractive power; and the endoscope objective optical system satisfies following Conditional Expression (1):0.15<<0.5,  (1)where fF indicates a focal length of the front group, and fR indicates a focal length of the rear group.


Find Patent Forward Citations

Murata, Keiji. (2016). Endoscope objective optical system (U.S. Patent No. 9372336). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9372336

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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