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. 28, 1979
Filed:
Apr. 04, 1977
Applicant:
Inventors:
Nobuo Yamasita, Tama, JP;
Miwako Unami, Yokohama, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350225 ; 350 54 ;
Abstract
An objective for endoscopes to be used in such endoscope arranged to transmit an image of an object by a plural number or relay lens groups and basically comprising a front diverging lens group, which comprises a negative lens, and a rear converging lens group, which comprises a positive lens and positive cemented doublet. The objective for endoscopes is arranged so that aberrations of the endoscope as a whole including the relay lens groups are corrected favorably.
Yamasita, Nobuo. (1979). Objective for endoscopes (U.S. Patent No. 4165917). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4165917
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile