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. 30, 1999
Filed:
Oct. 24, 1997
Applicant:
Inventor:
Koichi Ohshita, Tokyo, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359646 ;
Abstract
A high-performance eyepiece is provided having a high-power magnification finder and a large pupil diameter even if it is used for a camera finder using a pentagonal mirror. The eyepiece includes, in order from the eyepoint end, a negative meniscus lens and a bifocal convex lens, which fulfills the following conditions:
Ohshita, Koichi. (1999). Eyepiece for a camera (U.S. Patent No. 5889616). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5889616
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile