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:
Oct. 09, 2012
Filed:
Dec. 16, 2010
Tetsuya Iwasaki, Kawasaki, JP;
Tetsuya Iwasaki, Kawasaki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
At least one object of the present invention is to provide a lens barrel, including: a fixed frame () having a fixed cylinder (); a telescopic cylinder (, etc.) configured to be accommodated within the fixed cylinder (); a plurality of lens groups () configured to be retained in the telescopic cylinder; a lens driving device (, etc.) configured to drive the plurality of lens groups along a optical axis of the telescopic cylinder between a collapsed position and an extended position; and two retractable lens groups () configured to be retracted into the telescopic cylinder when the telescopic cylinder is in the extended position and configured to be retracted out of the telescopic cylinder when the telescopic cylinder is in the collapsed position.