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. 03, 2007
Filed:
May. 04, 2005
Masahiko Tsuzuki, Saitama, JP;
Masahiko Tsuzuki, Saitama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a lens apparatus including a fixed lens barrel, a cam ring that is rotatable relative to the fixed lens barrel, a first lens holding frame adapted to move, upon rotation of the cam ring, relative to the fixed lens barrel along the optical axis direction over the range from a collapsed position in which image taking is not allowed to an extended position in which image taking is allowed, a second lens holding frame disposed on the image side of the first lens holding frame, and a linear driving portion disposed outside the cam ring, for driving the second lens holding frame along the optical axis direction using a coil and a magnet. The length of the lens apparatus is relatively short and it is advantageous in portability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile