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. 13, 2010
Filed:
Nov. 30, 2006
Akira Funahashi, Kawasaki, JP;
Tougo Teramoto, Wakayama, JP;
Hiroshi Hasegawa, Machida, JP;
Shigeo Homme, Hachioji, JP;
Akira Funahashi, Kawasaki, JP;
Tougo Teramoto, Wakayama, JP;
Hiroshi Hasegawa, Machida, JP;
Shigeo Homme, Hachioji, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
A lens barrel comprising: a plurality of lens groups including two lens groups for guiding object light; and a lens drive apparatus for moving the two lens groups in the plurality of lens groups in a direction of an optical axis, the lens drive apparatus includes a single motor and a lead screw rotated by the rotation of the motor; wherein the lens drive apparatus is structured in such a manner that one lens group of the two lens groups is moved linearly to the rotation of the lead screw, and the other lens group of the two lens groups is moved non-linearly to the rotation of the lead screw.