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. 09, 1999
Filed:
Mar. 14, 1997
Applicant:
Inventors:
Kazumi Ito, Mitaka, JP;
Yasuzi Ogata, Akiruno, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359431 ; 359362 ; 359422 ;
Abstract
A real image mode finder optical system has an objective system constructed with an objective lens including a single lens with positive refracting power and a first reflecting member; an intermediate image plane; and an ocular system constructed with a second reflecting member and an eyepiece including a single lens with positive refracting power. This finder optical system satisfies the following conditions:
Ito, Kazumi. (1999). Real image mode finder optical system (U.S. Patent No. 5880881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5880881
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile