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. 04, 2007
Filed:
Jan. 09, 2006
Applicants:
Masayoshi Karasawa, Hachioji, JP;
Atsuhiro Tsuchiya, Hachioji, JP;
Takashi Yoneyama, Sagamihara, JP;
Kenichi Koyama, Sagamihara, JP;
Inventors:
Masayoshi Karasawa, Hachioji, JP;
Atsuhiro Tsuchiya, Hachioji, JP;
Takashi Yoneyama, Sagamihara, JP;
Kenichi Koyama, Sagamihara, JP;
Assignee:
Olympus Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A focus detection device which is applied to a fluorescent observation device for observing a fluorescent image to be emitted from an observation sample on the basis of an evanescent light, includes an image pickup unit which detects a contrast of the fluorescent image by imaging the fluorescent image, and a detector which detects a focus on the basis of the detection result.