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. 25, 1998
Filed:
Feb. 06, 1996
Applicant:
Inventor:
Masatoshi Nagano, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359819 ;
Abstract
In a lens barrel including a first lens and a second lens, respective peripheral parts of the first lens and the second lens are in contact with each other while respective central parts of the first lens and the second lens are distant from each other. Each of the peripheral parts of the first lens and the second lens has a curved surface, and the respective curved surfaces substantially coincide with each other.