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. 13, 2009
Filed:
Feb. 10, 2006
Tatsuo Makii, Tokyo, JP;
Motoshige Ito, Kanagawa, JP;
Hideo Okamoto, Tokyo, JP;
Takeshi Takizawa, Kanagawa, JP;
Takatoshi Uneme, Tokyo, JP;
Keishi Iwana, Tokyo, JP;
Satoshi Imai, Kanagawa, JP;
Fujio Kanai, Kanagawa, JP;
Tatsuo Makii, Tokyo, JP;
Motoshige Ito, Kanagawa, JP;
Hideo Okamoto, Tokyo, JP;
Takeshi Takizawa, Kanagawa, JP;
Takatoshi Uneme, Tokyo, JP;
Keishi Iwana, Tokyo, JP;
Satoshi Imai, Kanagawa, JP;
Fujio Kanai, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A lens unit includes: a lens barrel; a movable section including a movable lens and configured to be moved in an optical axis direction relative to the lens barrel; a linear actuator including a drive magnet and a drive coil and configured to move the movable section in the optical axis direction by supplying a current to the drive coil; and a pair of biasing blade springs including holding portions for holding the movable section, a plurality of spring portions biasing the movable section in the optical axis direction, and attachment portions to be attached to the lens barrel. One of the biasing blade springs is formed with two spring members through which the current is supplied to the drive coil.