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:
Jun. 15, 2010
Filed:
Oct. 16, 2008
Hiroshi Mashima, Tokyo, JP;
Naoyuki Ohno, Tokyo, JP;
Hironori Shimizu, Tokyo, JP;
Kazuhiko Takatsuka, Kanagawa, JP;
Hiroaki Tojo, Chiba, JP;
Hiroshi Mashima, Tokyo, JP;
Naoyuki Ohno, Tokyo, JP;
Hironori Shimizu, Tokyo, JP;
Kazuhiko Takatsuka, Kanagawa, JP;
Hiroaki Tojo, Chiba, JP;
Sony Corporation, Tokyo, JP;
Abstract
A lens barrel includes: a plurality of lenses disposed in an outer enclosure; an imaging device that converts image light introduced through the plurality of lenses into an image signal; a first movable unit including a first movable lens and a first lens holder that holds the first movable lens; a second movable unit including a second movable lens and a second lens holder that holds the second movable lens; a first lead screw rotated by a first drive motor; a second lead screw rotated by a second drive motor; a first nut member made of a metal material threadably engaging the first lead screw and connected to the first lens holder; and a second nut member made of a metal material threadably engaging the second lead screw and connected to the second lens holder.