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:
Apr. 01, 2008
Filed:
Apr. 28, 2006
Kanji Tsuji, Tokyo, JP;
Kanji Tsuji, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A lens apparatus is disclosed which allows a reduced overall length when it is put into a barrel body while a high magnification of taken images is realized. The lens apparatus includes a first holding member which holds a first lens unit; a second holding member which holds a second lens unit disposed closer to an image plane side than the first lens unit; a first cam member which has a first cam portion driving the first holding member in an optical axis direction; a second cam member which has a second cam portion driving the first cam member in the optical axis direction; and a third cam member which includes a third cam portion driving the second holding member in the optical axis direction.