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. 27, 2005
Filed:
Jun. 06, 2003
Akihiro Namai, Kanagawa, JP;
Akihiro Namai, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Even if a stop position during focus adjustment becomes irregular, it is made possible to focus on an object, and also a circuit construction for the focus adjustment can be simplified to thereby make the cost low. For this purpose, the lens device has a zoom lens comprising a plurality of lens units, and a lens driving member for operating the plurality of lens units for the adjustment of zoom and focus, and the lens driving member has at least first areascontinuing to focus on a first object distance and second areascontinuing to focus on a second object distance on a shorter distance side than the first object distance, within a predetermined range in the operating process of the plurality of lens units for the zoom adjustment.