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. 29, 1978
Filed:
Nov. 01, 1976
Applicant:
Inventors:
Yutaka Kiyono, Tokyo, JP;
Shigeaki Nagata, Tokyo, JP;
Shuichiro Shigemori, Tokyo, JP;
Tadashi Kishimoto, Tokyo, JP;
Sadao Maruyama, Koshigaya, JP;
Katsuyoshi Arisawa, Tokyo, JP;
Assignee:
Mamiya Camera Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 91 ; 351 14 ; 351 16 ;
Abstract
An illuminating device for slit lamp microscopes wherein rays reaching an objective through a slit from a light source are so made as to be able to be directed to a position deflected from the optical axis of the objective by displacing or replacing a part of elements forming an illuminating optical system, in order that the illuminating rays may be incident upon an eyeball diagonally from above or below.