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:
Jun. 15, 1999
Filed:
Jul. 29, 1998
Applicant:
Inventors:
Toshimi Iizuka, Yokohama, JP;
Toshiki Ishino, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359631 ; 359633 ; 359718 ;
Abstract
An optical element including a first surface, a second surface, and a third surface, at least one of the first surface, the second surface, and the third surface being a curved surface, and at least one of the first surface, the second surface, and the third surface being a reflecting surface. Also included are side surfaces disposed opposite to each other, and positioning members for positioning the optical element, the positioning members being provided on the side surfaces.