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. 13, 1984
Filed:
Apr. 30, 1981
Applicant:
Inventor:
Akio Taira, Hachiouji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350515 ;
Abstract
A binocular stereo-microscope comprising a Porro prism arranged between each objective and eyepiece in which three prisms constituting the Porro prism are arranged that the second prism is inclined in respect to the first prism and the third prism is inclined in respect to the second prism, the Porro prism being thereby arranged to have the function of an optical axis deflecting prism, the binocular stereo-microscope thereby enabling to observe an image free from rotation.