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:
Apr. 01, 1980
Filed:
May. 13, 1977
Applicant:
Inventors:
Assignee:
Tokyo Kagaku Kikai Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 36 ; 350 39 ;
Abstract
Binocular microscope having a pair of converging optical paths, each including a magnification changing optical device which comprises two or more lens groups. The lens groups are rotatably mounted on the lens housing so that they can be alternately brought into alignment with the optical path for changing the magnification power.