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. 19, 1996
Filed:
Apr. 07, 1993
Applicant:
Inventor:
Iwao Kanamori, Kanagawa-ken, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; A61B / ;
U.S. Cl.
CPC ...
359434 ; 359362 ; 359423 ; 600160 ;
Abstract
An endoscope comprising, in order from the object side, an objective optical system and image relaying optical systems disposed in a number of n, and using, in a (n-1)th or nth image relaying optical system, an optical system for producing positive distortion so as to cancel negative distortion produced by the objective optical system, thereby correcting distortion favorably in the endoscope as a whole.