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:
Nov. 19, 2013
Filed:
Dec. 03, 2010
Nobuyuki Nagai, Kanagawa, JP;
Takehisa Ishida, Tokyo, JP;
Yusaku Kato, Tokyo, JP;
Yoshiteru Kamatani, Kanagawa, JP;
Nobuyuki Nagai, Kanagawa, JP;
Takehisa Ishida, Tokyo, JP;
Yusaku Kato, Tokyo, JP;
Yoshiteru Kamatani, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
Provided are a lens drive device capable of moving with good accuracy a lens in the direction of an optical axis thereof, and a lens module and an image pickup device provided with such a lens drive device. By a pair of polymer actuator elementsand, a lens holding memberis driven via coupling membersA,B,A, andB. As a result, a lenscan be moved with good accuracy in the direction of the optical axis Zthereof. In addition, preferably, the coupling membersA,B,A, andB have the rigidity same as or lower than that of each of the polymer actuator elementsand