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:
Jan. 10, 2006
Filed:
May. 22, 2003
Applicants:
Tomohiro Miyashita, Kamakura, JP;
Nobuhiro Shinada, Kanagawa, JP;
Inventors:
Tomohiro Miyashita, Kamakura, JP;
Nobuhiro Shinada, Kanagawa, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 21/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A microscopic illumination apparatus to be applied to a microscope selectively using plural types of objective lenses having different magnifications comprises a light source, a collector lens for making a light flux emitted from the light source a substantially parallel light flux, and at least two fly-eye lenses disposed side by side along the optical axis at the back of the collector lens. A space between the two fly-eye lenses is variable in accordance with an objective lens to be used in the microscope.