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:
Feb. 15, 1994
Filed:
Nov. 06, 1991
Applicant:
Inventors:
Junichi Arai, Yono, JP;
Osamu Nakada, Yono, JP;
Assignee:
Moritex Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359385 ; 359390 ; 359676 ; 359699 ;
Abstract
A zoom lens is disclosed which makes use of a space between an inner tube and an operating ring which does not impair operability of the zoom lens. Light guides are disposed in the space and illumination systems are incorporated in the zoom lens.