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:
Nov. 16, 1993
Filed:
Apr. 24, 1992
Kanae Nakasato, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
An optical microscope of the transmission type for illuminating a sample according to the bright-field illumination method and for observing light passing through the sample includes a microscope body, objectives attached to the microscope body and having an optical axis, a stage serving to support the sample facing the objective used and attached, movable along the optical axis, to the microscope body, and a plane fluorescent lamp unit attached, movable along the optical axis, to the microscope body and serving to bright-field illuminate the sample through the stage. The unit includes a container provided with transparent panels, plane fluorescent layers formed on inner faces of the upper and lower panels of the container and spread substantially perpendicular to the optical axis.