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:
Mar. 17, 1998
Filed:
Nov. 26, 1996
Hiroyuki Nishida, Hachioji, JP;
Hideyuki Takaoka, Hachioji, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A microscope optical system includes an illumination system for radiating light from a light source toward an object, an objective lens and an imaging lens for forming an image of the object, and an observing optical system for observing the image or a photographing optical system for photographing the image. This microscope optical system is designed so that a relay system constructed as an afocal system with a first positive lens unit and a second positive lens unit is disposed between the objective lens and the imaging lens, and an element for pupil modulation can be disposed at a position nearly conjugate with the pupil of the objective lens relayed by the relay system, satisfying a condition: