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. 18, 1986
Filed:
Dec. 30, 1981
Applicant:
Inventors:
Atsushi Someya, Machida, JP;
Shigeyuki Suda, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
350427 ; 350 9625 ; 350 9631 ; 350413 ; 350423 ;
Abstract
A zoom lens includes a zoom portion for forming a virtual image of an object lying between infinity to a very short distance always at a predetermined position and for varying the imaging magnification of the virtual image, and a relay portion including an erecting one-to-one magnification compound-eye optical system disposed between the zoom portion and an image pick-up surface for forming the virtual image of the object on the image pick-up surface.