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:
Feb. 08, 2005
Filed:
Nov. 25, 2002
Applicants:
Atsushi Yonetani, Tama, JP;
Yasushi Fujimoto, Hino, JP;
Inventors:
Atsushi Yonetani, Tama, JP;
Yasushi Fujimoto, Hino, JP;
Assignee:
Olympus Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B025/00 ;
U.S. Cl.
CPC ...
Abstract
The relay optical system comprises, in order from the intermediate image position I toward the the exit pupil EXP side, a first unit Ghaving a negative refracting power and a second unit Ghaving a positive refracting power, wherein the distance from the rearmost surface of the second unit to the exit pupil position is at least 30 mm. The relay optical system allows a photographing apparatus to be mounted on a microscope without the microscope and the photographing apparatus excluding each other from their predetermined positions.