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:
Oct. 01, 2013
Filed:
Oct. 20, 2008
Hiroshi Ishii, Tokyo, JP;
Seiji Iwasaki, Hachioji, JP;
Masahiro Kawauchi, Akiruno, JP;
Hideaki Ishihara, Hachioji, JP;
Susumu Takahashi, Iruma, JP;
Shinichi Nakamura, Hino, JP;
Azusa Noguchi, Hino, JP;
Hideyasu Takato, Hino, JP;
Tsutomu Sasamoto, Hino, JP;
Hiroshi Ishii, Tokyo, JP;
Seiji Iwasaki, Hachioji, JP;
Masahiro Kawauchi, Akiruno, JP;
Hideaki Ishihara, Hachioji, JP;
Susumu Takahashi, Iruma, JP;
Shinichi Nakamura, Hino, JP;
Azusa Noguchi, Hino, JP;
Hideyasu Takato, Hino, JP;
Tsutomu Sasamoto, Hino, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Abstract
An endoscope system has a light source apparatus and an endoscope including an illumination optical system and an objective optical system. At least the objective optical system of the endoscope is provided with an adjustable diaphragm, and in a light path in one of the light source apparatus, the illumination optical system, and the objective optical system, an insertable/retractable filter for observation for special light is provided. The adjustable diaphragm performs a closing operation or an opening operation only when the filter for observation for special light is inserted into the light path.