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:
Aug. 11, 1981
Filed:
Aug. 28, 1979
Applicant:
Inventor:
Tsutomu Tojyo, Hachiouji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350414 ; 350468 ;
Abstract
A microscope objective comprising a first, second, third fourth and fifth lenses, in which the first lens is a positive lens, the second lens is a positive meniscus lens, the third lens is a negative lens, the fourth lens is a positive meniscus lens and the fifth lens is a positive lens, and satisfying the following conditions for which the number of lenses constituting the lens system is small, working distance is large and resolving power is extremely high.