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:
Dec. 02, 2008
Filed:
Oct. 24, 2003
Seiji Iida, Kanagawa, JP;
Seiji Iida, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A lens apparatus capable of efficiently arranging a stop blade, an optical filter and a shutter blade to reduce the size of the apparatus is disclosed. The lens apparatus comprising a lens, a lens holding member which holds the lens, a stop blade which changes an area of a light-passing aperture, an optical filter which inserts and removes with respect to a region opposed to the light-passing aperture and a shutter blade which opens and closes the light-passing aperture. Here, at least one member of the stop blade, the optical filter and the shutter blade is arranged at one end side of the lens holding member and the other member is arranged at the other end side of the lens holding member.